wrong notification channel name

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>

README.md

@@ -0,0 +1,22 @@
+SimpleCloudNotifier [![Get it in Google Play](data/README/badge_google.png)](https://play.google.com/store/apps/details?id=com.blackforestbytes.simplecloudnotifier)
+===================
+
+> SimpleCloudNotifier is an app to display messages that you can send to your phone with simple POST requests.
+> 
+> After you start the app it generates a UserID and a UserSecret.
+> Now you can send your message to https://simplecloudnotifier.blackforestbytes.com/send.php and a notification will be pushed to your phone.
+> (see https://simplecloudnotifier.blackforestbytes.com/ for an example with curl)
+> 
+> 
+> Use it to
+>  - send yourself automated messages from cron jobs
+>  - notify yourself when long-running scripts finish
+>  - send server error messages directly to your phone
+>  - integrate with other online services
+> 
+> The possibilities are endless*
+> 
+> \* Disclaimer: Developer does not actually guarantee endless possibilities
+
+
+![](store/screenshot_1.png) ![](store/screenshot_2.png) ![](store/screenshot_3.png)

android/.gitignore

@@ -247,9 +247,5 @@ $RECYCLE.BIN/
 #########################################################################################
 
 
-
-#
-#
-#
-#
-#
+.idea/caches
+app/release

android/.idea/assetWizardSettings.xml

@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="WizardSettings">
+    <option name="children">
+      <map>
+        <entry key="imageWizard">
+          <value>
+            <PersistentState>
+              <option name="children">
+                <map>
+                  <entry key="imageAssetPanel">
+                    <value>
+                      <PersistentState>
+                        <option name="children">
+                          <map>
+                            <entry key="launcherLegacy">
+                              <value>
+                                <PersistentState>
+                                  <option name="values">
+                                    <map>
+                                      <entry key="assetType" value="IMAGE" />
+                                      <entry key="cropped" value="true" />
+                                      <entry key="iconShape" value="NONE" />
+                                      <entry key="imageAsset" value="F:\Eigene Dateien\Dropbox\Programming\Java\AndroidStudioProjects\SimpleCloudNotifier\data\icon_512_nobox.png" />
+                                      <entry key="outputName" value="ic_notification_full" />
+                                    </map>
+                                  </option>
+                                </PersistentState>
+                              </value>
+                            </entry>
+                            <entry key="notification">
+                              <value>
+                                <PersistentState>
+                                  <option name="values">
+                                    <map>
+                                      <entry key="assetType" value="IMAGE" />
+                                      <entry key="imageAsset" value="F:\Eigene Dateien\Dropbox\Programming\Java\AndroidStudioProjects\SimpleCloudNotifier\data\icon_512_transparent.png" />
+                                      <entry key="outputName" value="ic_notification_white" />
+                                    </map>
+                                  </option>
+                                </PersistentState>
+                              </value>
+                            </entry>
+                          </map>
+                        </option>
+                        <option name="values">
+                          <map>
+                            <entry key="outputIconType" value="LAUNCHER_LEGACY" />
+                          </map>
+                        </option>
+                      </PersistentState>
+                    </value>
+                  </entry>
+                </map>
+              </option>
+            </PersistentState>
+          </value>
+        </entry>
+        <entry key="vectorWizard">
+          <value>
+            <PersistentState>
+              <option name="children">
+                <map>
+                  <entry key="vectorAssetStep">
+                    <value>
+                      <PersistentState>
+                        <option name="values">
+                          <map>
+                            <entry key="assetSourceType" value="FILE" />
+                            <entry key="outputName" value="ic_garbage" />
+                            <entry key="sourceFile" value="C:\Users\Mike\Downloads\garbage.svg" />
+                          </map>
+                        </option>
+                      </PersistentState>
+                    </value>
+                  </entry>
+                </map>
+              </option>
+            </PersistentState>
+          </value>
+        </entry>
+      </map>
+    </option>
+  </component>
+</project>

android/.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,10 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="SpellCheckingInspection" enabled="false" level="TYPO" enabled_by_default="false">
+      <option name="processCode" value="true" />
+      <option name="processLiterals" value="true" />
+      <option name="processComments" value="true" />
+    </inspection_tool>
+  </profile>
+</component>

android/app/build.gradle

@@ -0,0 +1,110 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+
+    def versionPropsFile = file('version.properties')
+    def vNumber
+    def vName
+    if (versionPropsFile.canRead()) {
+        Properties versionProps = new Properties()
+        new FileInputStream(versionPropsFile).withCloseable { stream -> versionProps.load(stream) }
+        vNumber = versionProps['VERSION_CODE'].toInteger()
+        vName = versionProps['VERSION_NAME'].toString()
+    } else throw new FileNotFoundException("Could not read version.properties!")
+
+    defaultConfig {
+        applicationId "com.blackforestbytes.simplecloudnotifier"
+        minSdkVersion 21
+        targetSdkVersion 28
+        versionCode vNumber
+        versionName vName
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        targetCompatibility 1.8
+        sourceCompatibility 1.8
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
+
+    implementation 'com.google.android.material:material:1.0.0'
+    implementation 'com.google.firebase:firebase-core:16.0.4'
+    implementation 'com.google.firebase:firebase-messaging:17.3.4'
+    implementation 'com.google.android.gms:play-services-ads:17.1.0'
+    implementation 'com.android.billingclient:billing:1.2'
+
+    implementation 'com.squareup.okhttp3:okhttp:3.10.0'
+    implementation 'com.github.kenglxn.QRGen:android:2.5.0'
+    implementation "com.github.DeweyReed:UltimateMusicPicker:2.0.0"
+    implementation 'com.github.duanhong169:colorpicker:1.1.5'
+}
+
+apply plugin: 'com.google.gms.google-services'
+
+task updateVersion << {
+    def lastTag = ['git', 'describe', "--abbrev=0", "--tags"].execute().text.trim()
+
+    def versionPropsFile = file('version.properties')
+    if (!versionPropsFile.canRead()) throw new FileNotFoundException("Could not read version.properties!")
+    Properties versionProps = new Properties()
+    new FileInputStream(versionPropsFile).withCloseable { fis -> versionProps.load(fis) }
+
+    def matcher = lastTag =~ /^v([0-9]+)\.([0-9]+)\.([0-9]+)$/
+
+    if (!matcher.matches()) throw new Exception("Last Tag ('" + lastTag + "') has invalid format :(")
+
+    def vName = (matcher[0][1] as Integer) + "." + (matcher[0][2] as Integer) + "." + (matcher[0][3] as Integer)
+    def vCode = versionProps['VERSION_CODE'] as Integer
+
+    if (new File(".do_publish_beta_release").exists()) new File(".do_publish_beta_release").delete()
+    if (new File(".do_publish_prod_release").exists()) new File(".do_publish_prod_release").delete()
+
+    if (vName == versionProps['VERSION_NAME'].toString()) {
+        println "This version was already built - skip deployment"
+    } else if (vName.endsWith(".0")) {
+        println ""
+        println "====================================================================="
+        println "====================================================================="
+        println "(!) This is a new PRODUCTION release - create deployment trigger file"
+        println "====================================================================="
+        println "====================================================================="
+        println ""
+
+        vCode++
+        new File(".do_publish_prod_release").createNewFile()
+
+        versionProps['VERSION_NAME'] = vName.toString()
+        versionProps['VERSION_CODE'] = vCode.toString()
+
+        versionPropsFile.newWriter().withCloseable { w -> versionProps.store(w, null) }
+    } else {
+        println ""
+        println "==============================================================="
+        println "(!) This is a new beta release - create deployment trigger file"
+        println "==============================================================="
+        println ""
+
+        vCode++
+        new File(".do_publish_beta_release").createNewFile()
+
+        versionProps['VERSION_NAME'] = vName.toString()
+        versionProps['VERSION_CODE'] = vCode.toString()
+
+        versionPropsFile.newWriter().withCloseable { w -> versionProps.store(w, null) }
+    }
+}

android/app/google-services.json

@@ -0,0 +1,55 @@
+{
+  "project_info": {
+    "project_number": "232728961679",
+    "firebase_url": "https://simplecloudnotifier-ea7ef.firebaseio.com",
+    "project_id": "simplecloudnotifier-ea7ef",
+    "storage_bucket": "simplecloudnotifier-ea7ef.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:232728961679:android:23c75317f79601c9",
+        "android_client_info": {
+          "package_name": "com.blackforestbytes.simplecloudnotifier"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "232728961679-o7gig6f684mp1l1ok7719v3jf3csejc1.apps.googleusercontent.com",
+          "client_type": 1,
+          "android_info": {
+            "package_name": "com.blackforestbytes.simplecloudnotifier",
+            "certificate_hash": "3bcafbd39256422f0cb51fd446a228c26543afb4"
+          }
+        },
+        {
+          "client_id": "232728961679-t1h2eo5keha2lrvhsvdr5kgbkbfkja0o.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBasR6JLAjM5Ut0rPb0euE_9DdDoTkcvKQ"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 2,
+          "other_platform_oauth_client": [
+            {
+              "client_id": "232728961679-t1h2eo5keha2lrvhsvdr5kgbkbfkja0o.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

android/app/src/main/AndroidManifest.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.blackforestbytes.simplecloudnotifier">
+
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.VIBRATE" />
+    <uses-permission android:name="com.android.vending.BILLING" />
+
+    <application
+        android:allowBackup="false"
+        android:name="SCNApp"
+        android:icon="@drawable/icon"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme"
+        tools:ignore="GoogleAppIndexingWarning">
+
+        <activity android:name=".view.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <meta-data android:name="com.google.firebase.messaging.default_notification_icon"  android:resource="@drawable/icon" />
+        <meta-data android:name="com.google.firebase.messaging.default_notification_color" android:resource="@color/colorAccent" />
+        <meta-data android:name="com.google.android.gms.ads.AD_MANAGER_APP"                android:value="true"/>
+        <meta-data android:name="com.google.android.gms.ads.APPLICATION_ID"                android:value="ca-app-pub-3320562328966175~7579972005"/>
+
+        <service android:name=".service.FBMService" android:exported="false">
+            <intent-filter>
+                <action android:name="com.google.firebase.MESSAGING_EVENT" />
+            </intent-filter>
+        </service>
+
+        <receiver android:name=".service.BroadcastReceiverService" android:exported="false" />
+
+    </application>
+
+</manifest>

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/SCNApp.java

@@ -0,0 +1,102 @@
+package com.blackforestbytes.simplecloudnotifier;
+
+import android.app.Application;
+import android.content.Context;
+import android.widget.Toast;
+
+import com.android.billingclient.api.BillingClient;
+import com.blackforestbytes.simplecloudnotifier.view.AccountFragment;
+import com.blackforestbytes.simplecloudnotifier.view.MainActivity;
+import com.blackforestbytes.simplecloudnotifier.view.TabAdapter;
+
+import java.lang.ref.WeakReference;
+
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
+import androidx.lifecycle.ProcessLifecycleOwner;
+
+public class SCNApp extends Application implements LifecycleObserver
+{
+    private static SCNApp instance;
+    private static WeakReference<MainActivity> mainActivity = new WeakReference<>(null);
+
+    public static final boolean LOCAL_DEBUG = BuildConfig.DEBUG;
+    public static final boolean DEBUG       = BuildConfig.DEBUG || !BuildConfig.VERSION_NAME.endsWith(".0");
+    public static final boolean RELEASE     = !DEBUG;
+
+    private static boolean isBackground = true;
+
+    public SCNApp()
+    {
+        instance = this;
+        ProcessLifecycleOwner.get().getLifecycle().addObserver(this);
+    }
+
+    public static Context getContext()
+    {
+        return instance;
+    }
+
+    public static MainActivity getMainActivity()
+    {
+        return mainActivity.get();
+    }
+
+    public static boolean isBackground()
+    {
+        return isBackground;
+    }
+
+    public static void showToast(final String msg, final int duration)
+    {
+        final MainActivity a = mainActivity.get();
+        if (a != null)
+        {
+            a.runOnUiThread(() -> Toast.makeText(a, msg, duration).show());
+        }
+    }
+
+    public static boolean runOnUiThread(Runnable r)
+    {
+        final MainActivity a = mainActivity.get();
+        if (a != null) {a.runOnUiThread(r); return true;}
+        return false;
+    }
+
+    public static void refreshAccountTab()
+    {
+        runOnUiThread(() ->
+        {
+            MainActivity a = mainActivity.get();
+            if (a == null) return;
+
+            TabAdapter ta = a.adpTabs;
+            if (ta == null) return;
+
+            AccountFragment tf = ta.tab2;
+            if (tf == null) return;
+
+            tf.updateUI();
+        });
+    }
+
+    public static void register(MainActivity a)
+    {
+        mainActivity = new WeakReference<>(a);
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    public void onAppBackgrounded()
+    {
+        isBackground = true;
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_START)
+    public void onAppForegrounded()
+    {
+        isBackground = false;
+    }
+}
+
+//TODO TabLayout indicator does not corretly animate when directly clicking on tabs

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/android/ThreadUtils.java

@@ -0,0 +1,23 @@
+package com.blackforestbytes.simplecloudnotifier.lib.android;
+
+import android.util.Log;
+
+public final class ThreadUtils
+{
+	public static void safeSleep(int millisMin, int millisMax)
+	{
+		safeSleep(millisMin + (int)(Math.random()*(millisMax-millisMin)));
+	}
+
+	public static void safeSleep(int millis)
+	{
+		try
+		{
+			Thread.sleep(millis);
+		}
+		catch (InterruptedException e)
+		{
+			Log.d("ThreadUtils", e.toString());
+		}
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/collections/CollectionHelper.java

@@ -0,0 +1,43 @@
+package com.blackforestbytes.simplecloudnotifier.lib.collections;
+
+import com.blackforestbytes.simplecloudnotifier.lib.lambda.Func1to1;
+
+import java.util.*;
+
+public final class CollectionHelper
+{
+	public static <T, C> List<T> unique(List<T> input, Func1to1<T, C> mapping)
+	{
+		List<T> output = new ArrayList<>(input.size());
+
+		HashSet<C> seen = new HashSet<>();
+
+		for (T v : input) if (seen.add(mapping.invoke(v))) output.add(v);
+
+		return output;
+	}
+
+	public static <T> List<T> sort(List<T> input, Comparator<T> comparator)
+	{
+		List<T> output = new ArrayList<>(input);
+		Collections.sort(output, comparator);
+		return output;
+	}
+
+	public static <T> void sort_inplace(List<T> input, Comparator<T> comparator)
+	{
+		Collections.sort(input, comparator);
+	}
+
+	public static <T, U extends Comparable<U>> List<T> sort(List<T> input, Func1to1<T, U> mapper)
+	{
+		return sort(input, mapper, 1);
+	}
+
+	public static <T, U extends Comparable<U>> List<T> sort(List<T> input, Func1to1<T, U> mapper, int sortMod)
+	{
+		List<T> output = new ArrayList<>(input);
+		Collections.sort(output, (o1, o2) -> sortMod * mapper.invoke(o1).compareTo(mapper.invoke(o2)));
+		return output;
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/IntRange.java

@@ -0,0 +1,14 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public class IntRange
+{
+	private int Start;
+	public int Start() { return Start; }
+
+	private int End;
+	public int End() { return End; }
+
+	public IntRange(int s, int e) { Start = s; End = e; }
+
+	private IntRange() {  }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/NInt.java

@@ -0,0 +1,10 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public class NInt
+{
+	public int Value;
+
+	public NInt(int v) { Value = v; }
+
+	private NInt() {  }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/Nothing.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public final class Nothing
+{
+	public final static Nothing Inst = new Nothing();
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/Tuple1.java

@@ -0,0 +1,11 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public class Tuple1<T1>
+{
+	public final T1 Item1;
+
+	public Tuple1(T1 i1)
+	{
+		Item1 = i1;
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/Tuple2.java

@@ -0,0 +1,13 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public class Tuple2<T1, T2>
+{
+	public final T1 Item1;
+	public final T2 Item2;
+
+	public Tuple2(T1 i1, T2 i2)
+	{
+		Item1 = i1;
+		Item2 = i2;
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/Tuple3.java

@@ -0,0 +1,15 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public class Tuple3<T1, T2, T3>
+{
+	public final T1 Item1;
+	public final T2 Item2;
+	public final T3 Item3;
+
+	public Tuple3(T1 i1, T2 i2, T3 i3)
+	{
+		Item1 = i1;
+		Item2 = i2;
+		Item3 = i3;
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/Tuple4.java

@@ -0,0 +1,17 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public class Tuple4<T1, T2, T3, T4>
+{
+	public final T1 Item1;
+	public final T2 Item2;
+	public final T3 Item3;
+	public final T4 Item4;
+
+	public Tuple4(T1 i1, T2 i2, T3 i3, T4 i4)
+	{
+		Item1 = i1;
+		Item2 = i2;
+		Item3 = i3;
+		Item4 = i4;
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/datatypes/Tuple5.java

@@ -0,0 +1,19 @@
+package com.blackforestbytes.simplecloudnotifier.lib.datatypes;
+
+public class Tuple5<T1, T2, T3, T4, T5>
+{
+	public final T1 Item1;
+	public final T2 Item2;
+	public final T3 Item3;
+	public final T4 Item4;
+	public final T5 Item5;
+
+	public Tuple5(T1 i1, T2 i2, T3 i3, T4 i4, T5 i5)
+	{
+		Item1 = i1;
+		Item2 = i2;
+		Item3 = i3;
+		Item4 = i4;
+		Item5 = i5;
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/FI.java

@@ -0,0 +1,29 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+import android.widget.SeekBar;
+
+public final class FI
+{
+    private FI() throws InstantiationException { throw new InstantiationException(); }
+
+    public static SeekBar.OnSeekBarChangeListener SeekBarChanged(Func3to0<SeekBar, Integer, Boolean> action)
+    {
+        return new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                action.invoke(seekBar, progress, fromUser);
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+
+            }
+        };
+    }
+
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func0to0.java

@@ -0,0 +1,9 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func0to0 {
+
+	Func0to0 EMPTY = ()->{};
+
+	void invoke();
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func0to1.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func0to1<TResult> {
+	TResult invoke();
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func0to1WithIOException.java

@@ -0,0 +1,8 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+import java.io.IOException;
+
+@FunctionalInterface
+public interface Func0to1WithIOException<TResult> {
+	TResult invoke() throws IOException;
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func1to0.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func1to0<TInput1> {
+	void invoke(TInput1 value);
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func1to1.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func1to1<TInput1, TResult> {
+	TResult invoke(TInput1 value);
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func2to0.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func2to0<TInput1, TInput2> {
+	void invoke(TInput1 value1, TInput2 value2);
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func2to1.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func2to1<TInput1, TInput2, TResult> {
+	TResult invoke(TInput1 value1, TInput2 value2);
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func3to0.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func3to0<TInput1, TInput2, TInput3> {
+	void invoke(TInput1 value1, TInput2 value2, TInput3 value3);
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func4to0.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func4to0<TInput1, TInput2, TInput3, TInput4> {
+	void invoke(TInput1 value1, TInput2 value2, TInput3 value3, TInput4 value4);
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/lambda/Func5to0.java

@@ -0,0 +1,6 @@
+package com.blackforestbytes.simplecloudnotifier.lib.lambda;
+
+@FunctionalInterface
+public interface Func5to0<TInput1, TInput2, TInput3, TInput4, TInput5> {
+	void invoke(TInput1 value1, TInput2 value2, TInput3 value3, TInput4 value4, TInput5 value5);
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/string/CompactJsonFormatter.java

@@ -0,0 +1,231 @@
+package com.blackforestbytes.simplecloudnotifier.lib.string;
+
+// from MonoSAMFramework.Portable.DebugTools.CompactJsonFormatter
+public class CompactJsonFormatter
+{
+	private static final String INDENT_STRING = "  ";
+	
+	public static String formatJSON(String str, int maxIndent)
+	{
+		int indent = 0;
+		boolean quoted = false;
+		StringBuilder sb = new StringBuilder();
+		char last = ' ';
+		for (int i = 0; i < str.length(); i++)
+		{
+			char ch = str.charAt(i);
+			switch (ch)
+			{
+				case '\r':
+				case '\n':
+					break;
+				case '{':
+				case '[':
+					sb.append(ch);
+					last = ch;
+					if (!quoted)
+					{
+						indent++;
+						if (indent >= maxIndent) break;
+						sb.append("\n");
+						for (int ix = 0; ix < indent; ix++) sb.append(INDENT_STRING);
+						last = ' ';
+					}
+					break;
+				case '}':
+				case ']':
+					if (!quoted)
+					{
+						indent--;
+						if (indent + 1 >= maxIndent) { sb.append(ch); break; }
+						sb.append("\n");
+						for (int ix = 0; ix < indent; ix++) sb.append(INDENT_STRING);
+					}
+					sb.append(ch);
+					last = ch;
+					break;
+				case '"':
+					sb.append(ch);
+					last = ch;
+					boolean escaped = false;
+					int index = i;
+					while (index > 0 && str.charAt(--index) == '\\')
+						escaped = !escaped;
+					if (!escaped)
+						quoted = !quoted;
+					break;
+				case ',':
+					sb.append(ch);
+					last = ch;
+					if (!quoted)
+					{
+						if (indent >= maxIndent) { sb.append(' '); last = ' '; break; }
+						sb.append("\n");
+						for (int ix = 0; ix < indent; ix++) sb.append(INDENT_STRING);
+					}
+					break;
+				case ':':
+					sb.append(ch);
+					last = ch;
+					if (!quoted) { sb.append(" "); last = ' '; }
+					break;
+				case ' ':
+				case '\t':
+					if (quoted)
+					{
+						sb.append(ch);
+						last = ch;
+					}
+					else if (last != ' ')
+					{
+						sb.append(' ');
+						last = ' ';
+					}
+					break;
+				default:
+					sb.append(ch);
+					last = ch;
+					break;
+			}
+		}
+		return sb.toString();
+	}
+
+	public static String compressJson(String str, int compressionLevel)
+	{
+		int indent = 0;
+		boolean quoted = false;
+		StringBuilder sb = new StringBuilder();
+		char last = ' ';
+		int compress = 0;
+		for (int i = 0; i < str.length(); i++)
+		{
+			char ch = str.charAt(i);
+			switch (ch)
+			{
+				case '\r':
+				case '\n':
+					break;
+				case '{':
+				case '[':
+
+					sb.append(ch);
+					last = ch;
+					if (!quoted)
+					{
+						if (compress == 0 && getJsonDepth(str, i) <= compressionLevel)
+							compress = 1;
+						else if (compress > 0)
+							compress++;
+
+						indent++;
+						if (compress > 0) break;
+						sb.append("\n");
+						for (int ix = 0; ix < indent; ix++) sb.append(INDENT_STRING);
+						last = ' ';
+					}
+					break;
+				case '}':
+				case ']':
+					if (!quoted)
+					{
+						indent--;
+						if (compress > 0) { compress--; sb.append(ch); break; }
+						compress--;
+						sb.append("\n");
+						for (int ix = 0; ix < indent; ix++) sb.append(INDENT_STRING);
+					}
+					sb.append(ch);
+					last = ch;
+					break;
+				case '"':
+					sb.append(ch);
+					last = ch;
+					boolean escaped = false;
+					int index = i;
+					while (index > 0 && str.charAt(--index) == '\\')
+						escaped = !escaped;
+					if (!escaped)
+						quoted = !quoted;
+					break;
+				case ',':
+					sb.append(ch);
+					last = ch;
+					if (!quoted)
+					{
+						if (compress > 0) { sb.append(' '); last = ' '; break; }
+						sb.append("\n");
+						for (int ix = 0; ix < indent; ix++) sb.append(INDENT_STRING);
+					}
+					break;
+				case ':':
+					sb.append(ch);
+					last = ch;
+					if (!quoted) { sb.append(" "); last = ' '; }
+					break;
+				case ' ':
+				case '\t':
+					if (quoted)
+					{
+						sb.append(ch);
+						last = ch;
+					}
+					else if (last != ' ')
+					{
+						sb.append(' ');
+						last = ' ';
+					}
+					break;
+				default:
+					sb.append(ch);
+					last = ch;
+					break;
+			}
+		}
+		return sb.toString();
+	}
+
+	public static int getJsonDepth(String str, int i)
+	{
+		int maxindent = 0;
+		int indent = 0;
+		boolean quoted = false;
+		for (; i < str.length(); i++)
+		{
+			char ch = str.charAt(i);
+			switch (ch)
+			{
+				case '{':
+				case '[':
+					if (!quoted)
+					{
+						indent++;
+						maxindent = Math.max(indent, maxindent);
+					}
+					break;
+
+				case '}':
+				case ']':
+					if (!quoted)
+					{
+						indent--;
+						if (indent <= 0) return maxindent;
+					}
+					break;
+
+				case '"':
+					boolean escaped = false;
+					int index = i;
+					while (index > 0 && str.charAt(--index) == '\\')
+						escaped = !escaped;
+					if (!escaped)
+						quoted = !quoted;
+					break;
+
+				default:
+					break;
+			}
+		}
+		return maxindent;
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/lib/string/Str.java

@@ -0,0 +1,98 @@
+package com.blackforestbytes.simplecloudnotifier.lib.string;
+
+import android.content.Context;
+import android.util.Log;
+
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.lambda.Func1to1;
+
+import java.text.MessageFormat;
+import java.util.List;
+
+public class Str
+{
+	public final static String Empty = "";
+
+	public static String format(String fmt, Object... data)
+	{
+		return MessageFormat.format(fmt, data);
+	}
+
+	public static String rformat(int fmtResId, Object... data)
+	{
+		Context inst = SCNApp.getContext();
+		if (inst == null)
+		{
+			Log.e("StringFormat", "rformat::NoInstance --> inst==null for" + fmtResId);
+			return "?ERR?";
+		}
+
+		return MessageFormat.format(inst.getResources().getString(fmtResId), data);
+	}
+
+	public static String firstLine(String content)
+	{
+		int idx = content.indexOf('\n');
+		if (idx == -1) return content;
+
+		if (idx == 0) return Str.Empty;
+
+		if (content.charAt(idx-1) == '\r') return content.substring(0, idx-1);
+
+		return content.substring(0, idx);
+	}
+
+	public static boolean isNullOrWhitespace(String str)
+	{
+		return str == null || str.length() == 0 || str.trim().length() == 0;
+	}
+
+	public static boolean isNullOrEmpty(String str)
+	{
+		return str == null || str.length() == 0;
+	}
+
+	public static boolean equals(String a, String b)
+	{
+		if (a == null) return (b == null);
+		return a.equals(b);
+	}
+
+	public static String join(String sep, List<String> list)
+	{
+		StringBuilder b = new StringBuilder();
+		boolean first = true;
+		for (String v : list)
+		{
+			if (!first) b.append(sep);
+			b.append(v);
+			first = false;
+		}
+		return b.toString();
+	}
+
+	public static <T> String join(String sep, List<T> list, Func1to1<T, String> map)
+	{
+		StringBuilder b = new StringBuilder();
+		boolean first = true;
+		for (T v : list)
+		{
+			if (!first) b.append(sep);
+			b.append(map.invoke(v));
+			first = false;
+		}
+		return b.toString();
+	}
+
+	public static Integer tryParseToInt(String s)
+	{
+		try
+		{
+			return Integer.parseInt(s);
+		}
+		catch (Exception e)
+		{
+			return null;
+		}
+	}
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/model/CMessage.java

@@ -0,0 +1,39 @@
+package com.blackforestbytes.simplecloudnotifier.model;
+
+import android.annotation.SuppressLint;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+import java.util.TimeZone;
+
+public class CMessage
+{
+    public final long SCN_ID;
+    public final long Timestamp;
+    public final String Title;
+    public final String Content;
+    public final PriorityEnum Priority;
+
+    private static final SimpleDateFormat _format;
+    static
+    {
+        _format = new SimpleDateFormat("yyyy'-'MM'-'dd HH':'mm':'ss", Locale.getDefault());
+        _format.setTimeZone(TimeZone.getDefault());
+    }
+
+    public CMessage(long id, long t, String mt, String mc, PriorityEnum p)
+    {
+        SCN_ID = id;
+        Timestamp = t;
+        Title = mt;
+        Content = mc;
+        Priority = p;
+    }
+
+    @SuppressLint("SimpleDateFormat")
+    public String formatTimestamp()
+    {
+        return _format.format(new Date(Timestamp*1000));
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/model/CMessageList.java

@@ -0,0 +1,232 @@
+package com.blackforestbytes.simplecloudnotifier.model;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import com.blackforestbytes.simplecloudnotifier.lib.collections.CollectionHelper;
+import com.blackforestbytes.simplecloudnotifier.lib.string.Str;
+import com.blackforestbytes.simplecloudnotifier.view.MessageAdapter;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+public class CMessageList
+{
+    private final Object msg_lock = new Object();
+
+    public ArrayList<CMessage> Messages;
+    public Set<String> AllAcks;
+
+    private ArrayList<WeakReference<MessageAdapter>> _listener = new ArrayList<>();
+
+    private final static Object _lock = new Object();
+    private static CMessageList _inst = null;
+    public static CMessageList inst()
+    {
+        synchronized (_lock)
+        {
+            if (_inst != null) return _inst;
+            return _inst = new CMessageList();
+        }
+    }
+
+    private CMessageList()
+    {
+        synchronized (msg_lock)
+        {
+            Messages = new ArrayList<>();
+            AllAcks  = new HashSet<>();
+
+            SharedPreferences sharedPref = SCNApp.getContext().getSharedPreferences("CMessageList", Context.MODE_PRIVATE);
+            int count = sharedPref.getInt("message_count", 0);
+            for (int i=0; i < count; i++)
+            {
+                long time         = sharedPref.getLong("message["+i+"].timestamp", 0);
+                String title      = sharedPref.getString("message["+i+"].title", "");
+                String content    = sharedPref.getString("message["+i+"].content", "");
+                PriorityEnum prio = PriorityEnum.parseAPI(sharedPref.getInt("message["+i+"].priority", 1));
+                long scnid        = sharedPref.getLong("message["+i+"].scnid", 0);
+
+                Messages.add(new CMessage(scnid, time, title, content, prio));
+            }
+
+            AllAcks = sharedPref.getStringSet("acks", new HashSet<>());
+        }
+    }
+
+    public CMessage add(final long scnid, final long time, final String title, final String content, final PriorityEnum pe)
+    {
+        CMessage msg = new CMessage(scnid, time, title, content, pe);
+
+        boolean run = SCNApp.runOnUiThread(() ->
+        {
+            SharedPreferences sharedPref = SCNApp.getContext().getSharedPreferences("CMessageList", Context.MODE_PRIVATE);
+            int count = sharedPref.getInt("message_count", 0);
+
+            synchronized (msg_lock)
+            {
+                Messages.add(msg);
+                AllAcks.add(Long.toHexString(msg.SCN_ID));
+
+                while (Messages.size()>SCNSettings.inst().LocalCacheSize) Messages.remove(0);
+            }
+
+            if (Messages.size()>1 && Messages.get(Messages.size()-2).Timestamp < msg.Timestamp)
+            {
+                // quick save
+
+                SharedPreferences.Editor e = sharedPref.edit();
+
+                e.putInt(   "message_count",                count+1);
+                e.putLong(  "message["+count+"].timestamp", time);
+                e.putString("message["+count+"].title",     title);
+                e.putString("message["+count+"].content",   content);
+                e.putInt(   "message["+count+"].priority",  pe.ID);
+                e.putLong(  "message["+count+"].scnid",     scnid);
+
+                e.putStringSet("acks", AllAcks);
+
+                e.apply();
+            }
+            else
+            {
+                // full save
+
+                fullSave(); // does sort in here
+            }
+
+
+            for (WeakReference<MessageAdapter> ref : _listener)
+            {
+                MessageAdapter a = ref.get();
+                if (a == null) continue;
+                a.customNotifyDataSetChanged();
+                a.scrollToTop();
+            }
+            CleanUpListener();
+        });
+
+        if (!run)
+        {
+            synchronized (msg_lock)
+            {
+                Messages.add(new CMessage(scnid, time, title, content, pe));
+                AllAcks.add(Long.toHexString(msg.SCN_ID));
+            }
+            fullSave(); // does sort in here
+        }
+
+        return msg;
+    }
+
+    public void clear()
+    {
+        Messages.clear();
+        fullSave();
+
+        for (WeakReference<MessageAdapter> ref : _listener)
+        {
+            MessageAdapter a = ref.get();
+            if (a == null) continue;
+            a.customNotifyDataSetChanged();
+        }
+        CleanUpListener();
+    }
+
+    public void fullSave()
+    {
+        synchronized (msg_lock)
+        {
+            CollectionHelper.sort_inplace(Messages, (a,b) -> Long.compare(a.Timestamp, b.Timestamp));
+
+            SharedPreferences sharedPref = SCNApp.getContext().getSharedPreferences("CMessageList", Context.MODE_PRIVATE);
+            SharedPreferences.Editor e = sharedPref.edit();
+
+            e.clear();
+
+            e.putInt("message_count", Messages.size());
+
+            for (int i = 0; i < Messages.size(); i++)
+            {
+                e.putLong(  "message["+i+"].timestamp", Messages.get(i).Timestamp);
+                e.putString("message["+i+"].title",     Messages.get(i).Title);
+                e.putString("message["+i+"].content",   Messages.get(i).Content);
+                e.putInt(   "message["+i+"].priority",  Messages.get(i).Priority.ID);
+                e.putLong(  "message["+i+"].scnid",     Messages.get(i).SCN_ID);
+            }
+
+            e.putStringSet("acks", AllAcks);
+
+            e.apply();
+        }
+    }
+
+    public CMessage tryGet(int pos)
+    {
+        synchronized (msg_lock)
+        {
+            if (pos < 0 || pos >= Messages.size()) return null;
+            return Messages.get(pos);
+        }
+    }
+
+    public CMessage tryGetFromBack(int pos)
+    {
+        return tryGet(Messages.size() - pos - 1);
+    }
+
+    public int size()
+    {
+        synchronized (msg_lock)
+        {
+            return Messages.size();
+        }
+    }
+
+    public void register(MessageAdapter adp)
+    {
+        _listener.add(new WeakReference<>(adp));
+        CleanUpListener();
+    }
+
+    private void CleanUpListener()
+    {
+        for (int i=_listener.size()-1; i >= 0; i--)
+        {
+            if (_listener.get(i).get() == null) _listener.remove(i);
+        }
+    }
+
+    public boolean isAck(long id)
+    {
+        synchronized (msg_lock)
+        {
+            return AllAcks.contains(Long.toHexString(id));
+        }
+    }
+
+    public CMessage removeFromBack(int pos)
+    {
+        CMessage r;
+        synchronized (msg_lock)
+        {
+            int index = Messages.size() - pos - 1;
+            r = Messages.remove(index);
+        }
+        fullSave(); // does sort in here
+        return r;
+    }
+
+    public void insert(int index, CMessage item)
+    {
+        synchronized (msg_lock)
+        {
+            Messages.add(index, item);
+        }
+        fullSave(); // does sort in here
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/model/NotificationSettings.java

@@ -0,0 +1,34 @@
+package com.blackforestbytes.simplecloudnotifier.model;
+
+import android.graphics.Color;
+import android.media.RingtoneManager;
+import android.net.Uri;
+
+public class NotificationSettings
+{
+    public boolean EnableSound;
+    public String SoundName;
+    public String SoundSource;
+    public boolean RepeatSound;
+
+    public boolean ForceVolume;
+    public int ForceVolumeValue;
+
+    public boolean EnableLED;
+    public int LEDColor;
+
+    public boolean EnableVibration;
+
+    public NotificationSettings(PriorityEnum p)
+    {
+        EnableSound      = (p == PriorityEnum.HIGH);
+        SoundName        = "Default";
+        SoundSource      = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION).toString();
+        RepeatSound      = false;
+        EnableLED        = (p == PriorityEnum.HIGH) || (p == PriorityEnum.NORMAL);
+        LEDColor         = Color.BLUE;
+        EnableVibration  = (p == PriorityEnum.HIGH) || (p == PriorityEnum.NORMAL);
+        ForceVolume      = false;
+        ForceVolumeValue = 50;
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/model/PriorityEnum.java

@@ -0,0 +1,30 @@
+package com.blackforestbytes.simplecloudnotifier.model;
+
+public enum PriorityEnum
+{
+    LOW(0),
+    NORMAL(1),
+    HIGH(2);
+
+    public final int ID;
+
+    PriorityEnum(int id) { ID = id; }
+
+    public static PriorityEnum parseAPI(String v) throws Exception
+    {
+        for (PriorityEnum p : values())
+        {
+            if (String.valueOf(p.ID).equals(v.trim())) return p;
+        }
+        throw new Exception("Invalid value for <PriorityEnum> : '"+v+"'");
+    }
+
+    public static PriorityEnum parseAPI(int v)
+    {
+        for (PriorityEnum p : values())
+        {
+            if (p.ID == v) return p;
+        }
+        return PriorityEnum.NORMAL;
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/model/SCNSettings.java

@@ -0,0 +1,261 @@
+package com.blackforestbytes.simplecloudnotifier.model;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.Log;
+import android.view.View;
+
+import com.android.billingclient.api.Purchase;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.string.Str;
+import com.blackforestbytes.simplecloudnotifier.service.IABService;
+import com.google.firebase.iid.FirebaseInstanceId;
+
+public class SCNSettings
+{
+    private final static Object _lock = new Object();
+    private static volatile SCNSettings _inst = null;
+    public static SCNSettings inst()
+    {
+        SCNSettings local = _inst;
+        if (local == null)
+        {
+            synchronized (_lock)
+            {
+                local = _inst;
+                if (local == null) _inst = local = new SCNSettings();
+            }
+        }
+        return local;
+    }
+
+    // ------------------------------------------------------------
+
+    public final static Integer[] CHOOSABLE_CACHE_SIZES = new Integer[]{20, 50, 100, 200, 500, 1000, 2000, 5000};
+
+    // ------------------------------------------------------------
+
+    public int    quota_curr;
+    public int    quota_max;
+    public int    user_id;
+    public String user_key;
+
+    public String fcm_token_local;
+    public String fcm_token_server;
+
+    public String  promode_token;
+    public boolean promode_local;
+    public boolean promode_server;
+
+    // ------------------------------------------------------------
+
+    public boolean Enabled = true;
+    public int LocalCacheSize = 500;
+    public boolean EnableDeleteSwipe = true;
+
+    public final NotificationSettings PriorityLow  = new NotificationSettings(PriorityEnum.LOW);
+    public final NotificationSettings PriorityNorm = new NotificationSettings(PriorityEnum.NORMAL);
+    public final NotificationSettings PriorityHigh = new NotificationSettings(PriorityEnum.HIGH);
+
+    // ------------------------------------------------------------
+
+    public SCNSettings()
+    {
+        SharedPreferences sharedPref = SCNApp.getContext().getSharedPreferences("Config", Context.MODE_PRIVATE);
+
+        quota_curr       = sharedPref.getInt(   "quota_curr",        0);
+        quota_max        = sharedPref.getInt(   "quota_max",         0);
+        user_id          = sharedPref.getInt(   "user_id",          -1);
+        user_key         = sharedPref.getString("user_key",         "");
+        fcm_token_local  = sharedPref.getString("fcm_token_local",  "");
+        fcm_token_server = sharedPref.getString("fcm_token_server", "");
+        promode_local    = sharedPref.getBoolean("promode_local",   false);
+        promode_server   = sharedPref.getBoolean("promode_server",  false);
+        promode_token    = sharedPref.getString("promode_token",    "");
+
+        Enabled                     = sharedPref.getBoolean("app_enabled",  Enabled);
+        LocalCacheSize              = sharedPref.getInt("local_cache_size", LocalCacheSize);
+        EnableDeleteSwipe           = sharedPref.getBoolean("do_del_swipe",  EnableDeleteSwipe);
+
+        PriorityLow.EnableLED         = sharedPref.getBoolean("priority_low:enabled_led",         PriorityLow.EnableLED);
+        PriorityLow.EnableSound       = sharedPref.getBoolean("priority_low:enabled_sound",       PriorityLow.EnableSound);
+        PriorityLow.EnableVibration   = sharedPref.getBoolean("priority_low:enabled_vibration",   PriorityLow.EnableVibration);
+        PriorityLow.RepeatSound       = sharedPref.getBoolean("priority_low:repeat_sound",        PriorityLow.RepeatSound);
+        PriorityLow.SoundName         = sharedPref.getString( "priority_low:sound_name",          PriorityLow.SoundName);
+        PriorityLow.SoundSource       = sharedPref.getString( "priority_low:sound_source",        PriorityLow.SoundSource);
+        PriorityLow.LEDColor          = sharedPref.getInt(    "priority_low:led_color",           PriorityLow.LEDColor);
+        PriorityLow.ForceVolume       = sharedPref.getBoolean("priority_low:force_volume",        PriorityLow.ForceVolume);
+        PriorityLow.ForceVolumeValue  = sharedPref.getInt(    "priority_low:force_volume_value",  PriorityLow.ForceVolumeValue);
+
+        PriorityNorm.EnableLED        = sharedPref.getBoolean("priority_norm:enabled_led",        PriorityNorm.EnableLED);
+        PriorityNorm.EnableSound      = sharedPref.getBoolean("priority_norm:enabled_sound",      PriorityNorm.EnableSound);
+        PriorityNorm.EnableVibration  = sharedPref.getBoolean("priority_norm:enabled_vibration",  PriorityNorm.EnableVibration);
+        PriorityNorm.RepeatSound      = sharedPref.getBoolean("priority_norm:repeat_sound",       PriorityNorm.RepeatSound);
+        PriorityNorm.SoundName        = sharedPref.getString( "priority_norm:sound_name",         PriorityNorm.SoundName);
+        PriorityNorm.SoundSource      = sharedPref.getString( "priority_norm:sound_source",       PriorityNorm.SoundSource);
+        PriorityNorm.LEDColor         = sharedPref.getInt(    "priority_norm:led_color",          PriorityNorm.LEDColor);
+        PriorityNorm.ForceVolume      = sharedPref.getBoolean("priority_norm:force_volume",       PriorityNorm.ForceVolume);
+        PriorityNorm.ForceVolumeValue = sharedPref.getInt(    "priority_norm:force_volume_value", PriorityNorm.ForceVolumeValue);
+
+        PriorityHigh.EnableLED        = sharedPref.getBoolean("priority_high:enabled_led",        PriorityHigh.EnableLED);
+        PriorityHigh.EnableSound      = sharedPref.getBoolean("priority_high:enabled_sound",      PriorityHigh.EnableSound);
+        PriorityHigh.EnableVibration  = sharedPref.getBoolean("priority_high:enabled_vibration",  PriorityHigh.EnableVibration);
+        PriorityHigh.RepeatSound      = sharedPref.getBoolean("priority_high:repeat_sound",       PriorityHigh.RepeatSound);
+        PriorityHigh.SoundName        = sharedPref.getString( "priority_high:sound_name",         PriorityHigh.SoundName);
+        PriorityHigh.SoundSource      = sharedPref.getString( "priority_high:sound_source",       PriorityHigh.SoundSource);
+        PriorityHigh.LEDColor         = sharedPref.getInt(    "priority_high:led_color",          PriorityHigh.LEDColor);
+        PriorityHigh.ForceVolume      = sharedPref.getBoolean("priority_high:force_volume",       PriorityHigh.ForceVolume);
+        PriorityHigh.ForceVolumeValue = sharedPref.getInt(    "priority_high:force_volume_value", PriorityHigh.ForceVolumeValue);
+    }
+
+    public void save()
+    {
+        SharedPreferences sharedPref = SCNApp.getContext().getSharedPreferences("Config", Context.MODE_PRIVATE);
+        SharedPreferences.Editor e = sharedPref.edit();
+
+        e.putInt(    "quota_curr",                       quota_curr);
+        e.putInt(    "quota_max",                        quota_max);
+        e.putInt(    "user_id",                          user_id);
+        e.putString( "user_key",                         user_key);
+        e.putString( "fcm_token_local",                  fcm_token_local);
+        e.putString( "fcm_token_server",                 fcm_token_server);
+
+        e.putBoolean("app_enabled",                      Enabled);
+        e.putInt(    "local_cache_size",                 LocalCacheSize);
+        e.putBoolean("do_del_swipe",                     EnableDeleteSwipe);
+
+        e.putBoolean("priority_low:enabled_led",         PriorityLow.EnableLED);
+        e.putBoolean("priority_low:enabled_sound",       PriorityLow.EnableSound);
+        e.putBoolean("priority_low:enabled_vibration",   PriorityLow.EnableVibration);
+        e.putBoolean("priority_low:repeat_sound",        PriorityLow.RepeatSound);
+        e.putString( "priority_low:sound_name",          PriorityLow.SoundName);
+        e.putString( "priority_low:sound_source",        PriorityLow.SoundSource);
+        e.putInt(    "priority_low:led_color",           PriorityLow.LEDColor);
+        e.putBoolean("priority_low:force_volume",        PriorityLow.ForceVolume);
+        e.putInt(    "priority_low:force_volume_value",  PriorityLow.ForceVolumeValue);
+
+        e.putBoolean("priority_norm:enabled_led",        PriorityNorm.EnableLED);
+        e.putBoolean("priority_norm:enabled_sound",      PriorityNorm.EnableSound);
+        e.putBoolean("priority_norm:enabled_vibration",  PriorityNorm.EnableVibration);
+        e.putBoolean("priority_norm:repeat_sound",       PriorityNorm.RepeatSound);
+        e.putString( "priority_norm:sound_name",         PriorityNorm.SoundName);
+        e.putString( "priority_norm:sound_source",       PriorityNorm.SoundSource);
+        e.putInt(    "priority_norm:led_color",          PriorityNorm.LEDColor);
+        e.putBoolean("priority_norm:force_volume",       PriorityNorm.ForceVolume);
+        e.putInt(    "priority_norm:force_volume_value", PriorityNorm.ForceVolumeValue);
+
+        e.putBoolean("priority_high:enabled_led",        PriorityHigh.EnableLED);
+        e.putBoolean("priority_high:enabled_sound",      PriorityHigh.EnableSound);
+        e.putBoolean("priority_high:enabled_vibration",  PriorityHigh.EnableVibration);
+        e.putBoolean("priority_high:repeat_sound",       PriorityHigh.RepeatSound);
+        e.putString( "priority_high:sound_name",         PriorityHigh.SoundName);
+        e.putString( "priority_high:sound_source",       PriorityHigh.SoundSource);
+        e.putInt(    "priority_high:led_color",          PriorityHigh.LEDColor);
+        e.putBoolean("priority_high:force_volume",       PriorityHigh.ForceVolume);
+        e.putInt(    "priority_high:force_volume_value", PriorityHigh.ForceVolumeValue);
+
+        e.apply();
+    }
+
+    public boolean isConnected()
+    {
+        return user_id>=0 && user_key != null && !user_key.isEmpty();
+    }
+
+    public String createOnlineURL(boolean longurl)
+    {
+        String base = longurl ? ServerCommunication.PAGE_URL_LONG : ServerCommunication.PAGE_URL_SHORT;
+
+        if (!isConnected()) return base;
+        return base + "index.php?preset_user_id="+user_id+"&preset_user_key="+user_key;
+    }
+
+    public void setServerToken(String token, View loader)
+    {
+        if (isConnected())
+        {
+            fcm_token_local = token;
+            save();
+            if (!fcm_token_local.equals(fcm_token_server)) ServerCommunication.updateFCMToken(user_id, user_key, fcm_token_local, loader);
+        }
+        else
+        {
+            fcm_token_local = token;
+            save();
+            ServerCommunication.register(fcm_token_local, loader, promode_local, promode_token);
+            updateProState(loader);
+        }
+    }
+
+    // called at app start
+    public void work(Activity a)
+    {
+        FirebaseInstanceId.getInstance().getInstanceId().addOnSuccessListener(a, instanceIdResult ->
+        {
+            String newToken = instanceIdResult.getToken();
+            Log.d("FB::GetInstanceId", newToken);
+            SCNSettings.inst().setServerToken(newToken, null);
+        }).addOnCompleteListener(r ->
+        {
+            if (isConnected()) ServerCommunication.info(user_id, user_key, null);
+        });
+
+        updateProState(null);
+    }
+
+    // reset account key
+    public void reset(View loader)
+    {
+        if (!isConnected()) return;
+
+        ServerCommunication.resetSecret(user_id, user_key, loader);
+    }
+
+    // refresh account data
+    public void refresh(View loader, Activity a)
+    {
+        if (isConnected())
+        {
+            ServerCommunication.info(user_id, user_key, loader);
+
+            if (promode_server != promode_local) updateProState(loader);
+
+            if (!Str.equals(fcm_token_local, fcm_token_server)) work(a);
+        }
+        else
+        {
+            // get token then register
+            FirebaseInstanceId.getInstance().getInstanceId().addOnSuccessListener(a, instanceIdResult ->
+            {
+                String newToken = instanceIdResult.getToken();
+                Log.d("FB::GetInstanceId", newToken);
+                SCNSettings.inst().setServerToken(newToken, loader); // does register in here
+            }).addOnCompleteListener(r ->
+            {
+                if (isConnected()) ServerCommunication.info(user_id, user_key, null); // info again for safety
+            });
+        }
+    }
+
+    public void updateProState(View loader)
+    {
+        Purchase purch = IABService.inst().getPurchaseCached(IABService.IAB_PRO_MODE);
+        boolean promode_real = (purch != null);
+
+        if (promode_real != promode_local || promode_real != promode_server)
+        {
+            promode_local = promode_real;
+
+            promode_token = promode_real ? purch.getPurchaseToken() : "";
+            updateProStateOnServer(loader);
+        }
+    }
+
+    public void updateProStateOnServer(View loader)
+    {
+        if (!isConnected()) return;
+
+        ServerCommunication.upgrade(user_id, user_key, loader, promode_local, promode_token);
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/model/ServerCommunication.java

@@ -0,0 +1,567 @@
+package com.blackforestbytes.simplecloudnotifier.model;
+
+import android.util.Log;
+import android.view.View;
+
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.datatypes.Tuple5;
+import com.blackforestbytes.simplecloudnotifier.lib.lambda.Func1to0;
+import com.blackforestbytes.simplecloudnotifier.lib.lambda.Func5to0;
+import com.blackforestbytes.simplecloudnotifier.lib.string.Str;
+import com.blackforestbytes.simplecloudnotifier.service.FBMService;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.json.JSONTokener;
+
+import java.io.IOException;
+import java.net.URLEncoder;
+
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.ResponseBody;
+
+public class ServerCommunication
+{
+    public static final String PAGE_URL_LONG  = "https://simplecloudnotifier.blackforestbytes.com/";
+    public static final String PAGE_URL_SHORT = "https://scn.blackforestbytes.com/";
+    public static final String BASE_URL = "https://scn.blackforestbytes.com/api/";
+
+    private static final OkHttpClient client = new OkHttpClient();
+
+    private ServerCommunication(){ throw new Error("no."); }
+
+    public static void register(String token, View loader, boolean pro, String pro_token)
+    {
+        try
+        {
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "register.php?fcm_token=" + token + "&pro=" + pro + "&pro_token=" + URLEncoder.encode(pro_token, "utf-8"))
+                    .build();
+
+            client.newCall(request).enqueue(new Callback()
+            {
+                @Override
+                public void onFailure(Call call, IOException e)
+                {
+                    Log.e("SC:register", e.toString());
+                    SCNApp.showToast("Communication with server failed", 4000);
+                    SCNApp.runOnUiThread(() -> { if (loader!=null)loader.setVisibility(View.GONE); });
+                }
+
+                @Override
+                public void onResponse(Call call, Response response)
+                {
+                    try (ResponseBody responseBody = response.body())
+                    {
+                        if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
+                        if (responseBody ==  null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success"))
+                        {
+                            SCNApp.showToast(json_str(json, "message"), 4000);
+                            return;
+                        }
+
+                        SCNSettings.inst().user_id          = json_int(json, "user_id");
+                        SCNSettings.inst().user_key         = json_str(json, "user_key");
+                        SCNSettings.inst().fcm_token_server = token;
+                        SCNSettings.inst().quota_curr       = json_int(json, "quota");
+                        SCNSettings.inst().quota_max        = json_int(json, "quota_max");
+                        SCNSettings.inst().promode_server   = json_bool(json, "is_pro");
+                        SCNSettings.inst().save();
+
+                        SCNApp.refreshAccountTab();
+                    }
+                    catch (Exception e)
+                    {
+                        Log.e("SC:register", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    }
+                    finally
+                    {
+                        SCNApp.runOnUiThread(() -> { if (loader!=null)loader.setVisibility(View.GONE); });
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            Log.e("SC:register", e.toString());
+            SCNApp.showToast("Communication with server failed", 4000);
+        }
+    }
+
+    public static void updateFCMToken(int id, String key, String token, View loader)
+    {
+        try
+        {
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "updateFCMToken.php?user_id="+id+"&user_key="+key+"&fcm_token="+token)
+                    .build();
+
+            client.newCall(request).enqueue(new Callback()
+            {
+                @Override
+                public void onFailure(Call call, IOException e)
+                {
+                    Log.e("SC:update_1", e.toString());
+                    SCNApp.showToast("Communication with server failed", 4000);
+                    SCNApp.runOnUiThread(() -> { if (loader!=null)loader.setVisibility(View.GONE); });
+                }
+
+                @Override
+                public void onResponse(Call call, Response response)
+                {
+                    try (ResponseBody responseBody = response.body())
+                    {
+                        if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
+                        if (responseBody ==  null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success"))
+                        {
+                            SCNApp.showToast(json_str(json, "message"), 4000);
+                            return;
+                        }
+
+                        SCNSettings.inst().user_id          = json_int(json, "user_id");
+                        SCNSettings.inst().user_key         = json_str(json, "user_key");
+                        SCNSettings.inst().fcm_token_server = token;
+                        SCNSettings.inst().quota_curr       = json_int(json, "quota");
+                        SCNSettings.inst().quota_max        = json_int(json, "quota_max");
+                        SCNSettings.inst().promode_server   = json_bool(json, "is_pro");
+                        SCNSettings.inst().save();
+
+                        SCNApp.refreshAccountTab();
+                    }
+                    catch (Exception e)
+                    {
+                        Log.e("SC:update_1", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    }
+                    finally
+                    {
+                        SCNApp.runOnUiThread(() -> { if (loader!=null)loader.setVisibility(View.GONE); });
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            Log.e("SC:update_1", e.toString());
+            SCNApp.showToast("Communication with server failed", 4000);
+        }
+    }
+
+    public static void resetSecret(int id, String key, View loader)
+    {
+        try
+        {
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "updateFCMToken.php?user_id=" + id + "&user_key=" + key)
+                    .build();
+
+            client.newCall(request).enqueue(new Callback() {
+                @Override
+                public void onFailure(Call call, IOException e) {
+                    Log.e("SC:update_2", e.toString());
+                    SCNApp.showToast("Communication with server failed", 4000);
+                }
+
+                @Override
+                public void onResponse(Call call, Response response) {
+                    try (ResponseBody responseBody = response.body()) {
+                        if (!response.isSuccessful())
+                            throw new IOException("Unexpected code " + response);
+                        if (responseBody == null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success")) {
+                            SCNApp.showToast(json_str(json, "message"), 4000);
+                            return;
+                        }
+
+                        SCNSettings.inst().user_id          = json_int(json, "user_id");
+                        SCNSettings.inst().user_key         = json_str(json, "user_key");
+                        SCNSettings.inst().quota_curr       = json_int(json, "quota");
+                        SCNSettings.inst().quota_max        = json_int(json, "quota_max");
+                        SCNSettings.inst().promode_server   = json_bool(json, "is_pro");
+                        SCNSettings.inst().save();
+
+                        SCNApp.refreshAccountTab();
+                    } catch (Exception e) {
+                        Log.e("SC:update_2", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    } finally {
+                        SCNApp.runOnUiThread(() -> {
+                            if (loader != null) loader.setVisibility(View.GONE);
+                        });
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            Log.e("SC:update_2", e.toString());
+            SCNApp.showToast("Communication with server failed", 4000);
+        }
+    }
+
+    public static void info(int id, String key, View loader)
+    {
+        try
+        {
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "info.php?user_id=" + id + "&user_key=" + key)
+                    .build();
+
+            client.newCall(request).enqueue(new Callback() {
+                @Override
+                public void onFailure(Call call, IOException e) {
+                    Log.e("SC:info", e.toString());
+                    SCNApp.showToast("Communication with server failed", 4000);
+                    SCNApp.runOnUiThread(() -> {
+                        if (loader != null) loader.setVisibility(View.GONE);
+                    });
+                }
+
+                @Override
+                public void onResponse(Call call, Response response) {
+                    try (ResponseBody responseBody = response.body()) {
+                        if (!response.isSuccessful())
+                            throw new IOException("Unexpected code " + response);
+                        if (responseBody == null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success"))
+                        {
+                            SCNApp.showToast(json_str(json, "message"), 4000);
+
+                            int errid = json.optInt("errid", 0);
+
+                            if (errid == 201 || errid == 202 || errid == 203 || errid == 204)
+                            {
+                                // user not found or auth failed
+
+                                SCNSettings.inst().user_id          = -1;
+                                SCNSettings.inst().user_key         = "";
+                                SCNSettings.inst().quota_curr       = 0;
+                                SCNSettings.inst().quota_max        = 0;
+                                SCNSettings.inst().promode_server   = false;
+                                SCNSettings.inst().fcm_token_server = "";
+                                SCNSettings.inst().save();
+
+                                SCNApp.refreshAccountTab();
+                            }
+
+                            return;
+                        }
+
+                        SCNSettings.inst().user_id        = json_int(json, "user_id");
+                        SCNSettings.inst().quota_curr     = json_int(json, "quota");
+                        SCNSettings.inst().quota_max      = json_int(json, "quota_max");
+                        SCNSettings.inst().promode_server = json_bool(json, "is_pro");
+                        if (!json_bool(json, "fcm_token_set")) SCNSettings.inst().fcm_token_server = "";
+                        SCNSettings.inst().save();
+
+                        SCNApp.refreshAccountTab();
+
+                        if (json_int(json, "unack_count")>0) ServerCommunication.requery(id, key, loader);
+
+                    } catch (Exception e) {
+                        Log.e("SC:info", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    } finally {
+                        SCNApp.runOnUiThread(() -> {
+                            if (loader != null) loader.setVisibility(View.GONE);
+                        });
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            Log.e("SC:info", e.toString());
+            SCNApp.showToast("Communication with server failed", 4000);
+        }
+    }
+
+    public static void requery(int id, String key, View loader)
+    {
+        try
+        {
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "requery.php?user_id=" + id + "&user_key=" + key)
+                    .build();
+
+            client.newCall(request).enqueue(new Callback() {
+                @Override
+                public void onFailure(Call call, IOException e) {
+                    Log.e("SC:requery", e.toString());
+                    SCNApp.showToast("Communication with server failed", 4000);
+                    SCNApp.runOnUiThread(() -> {
+                        if (loader != null) loader.setVisibility(View.GONE);
+                    });
+                }
+
+                @Override
+                public void onResponse(Call call, Response response) {
+                    try (ResponseBody responseBody = response.body()) {
+                        if (!response.isSuccessful())
+                            throw new IOException("Unexpected code " + response);
+                        if (responseBody == null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success"))
+                        {
+                            SCNApp.showToast(json_str(json, "message"), 4000);
+                            return;
+                        }
+
+                        int count = json_int(json, "count");
+                        JSONArray arr = json.getJSONArray("data");
+                        for (int i = 0; i < count; i++)
+                        {
+                            JSONObject o = arr.getJSONObject(i);
+
+                            long time         = json_lng(o, "timestamp");
+                            String title      = json_str(o, "title");
+                            String content    = json_str(o, "body");
+                            PriorityEnum prio = PriorityEnum.parseAPI(json_int(o, "priority"));
+                            long scn_id       = json_lng(o, "scn_msg_id");
+
+                            FBMService.recieveData(time, title, content, prio, scn_id, true);
+                        }
+
+                    } catch (Exception e) {
+                        Log.e("SC:info", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    } finally {
+                        SCNApp.runOnUiThread(() -> {
+                            if (loader != null) loader.setVisibility(View.GONE);
+                        });
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            Log.e("SC:requery", e.toString());
+            SCNApp.showToast("Communication with server failed", 4000);
+        }
+    }
+
+    public static void upgrade(int id, String key, View loader, boolean pro, String pro_token)
+    {
+        try
+        {
+            SCNApp.runOnUiThread(() -> { if (loader != null) loader.setVisibility(View.GONE); });
+
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "upgrade.php?user_id=" + id + "&user_key=" + key + "&pro=" + pro + "&pro_token=" + URLEncoder.encode(pro_token, "utf-8"))
+                    .build();
+
+            client.newCall(request).enqueue(new Callback() {
+                @Override
+                public void onFailure(Call call, IOException e) {
+                    Log.e("SC:upgrade", e.toString());
+                    SCNApp.showToast("Communication with server failed", 4000);
+                }
+
+                @Override
+                public void onResponse(Call call, Response response) {
+                    try (ResponseBody responseBody = response.body()) {
+                        if (!response.isSuccessful())
+                            throw new IOException("Unexpected code " + response);
+                        if (responseBody == null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success")) {
+                            SCNApp.showToast(json_str(json, "message"), 4000);
+                            return;
+                        }
+
+                        SCNSettings.inst().user_id          = json_int(json, "user_id");
+                        SCNSettings.inst().quota_curr       = json_int(json, "quota");
+                        SCNSettings.inst().quota_max        = json_int(json, "quota_max");
+                        SCNSettings.inst().promode_server   = json_bool(json, "is_pro");
+                        SCNSettings.inst().save();
+
+                        SCNApp.refreshAccountTab();
+                    } catch (Exception e) {
+                        Log.e("SC:upgrade", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    } finally {
+                        SCNApp.runOnUiThread(() -> { if (loader != null) loader.setVisibility(View.GONE); });
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+            SCNApp.showToast("Communication with server failed", 4000);
+        }
+    }
+
+    public static void ack(int id, String key, long msg_scn_id)
+    {
+        try
+        {
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "ack.php?user_id=" + id + "&user_key=" + key + "&scn_msg_id=" + msg_scn_id)
+                    .build();
+
+            client.newCall(request).enqueue(new Callback() {
+                @Override
+                public void onFailure(Call call, IOException e) {
+                    Log.e("SC:ack", e.toString());
+                }
+
+                @Override
+                public void onResponse(Call call, Response response)
+                {
+                    try (ResponseBody responseBody = response.body()) {
+                        if (!response.isSuccessful())
+                            throw new IOException("Unexpected code " + response);
+                        if (responseBody == null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success")) SCNApp.showToast(json_str(json, "message"), 4000);
+
+                    } catch (Exception e) {
+                        Log.e("SC:ack", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            Log.e("SC:ack", e.toString());
+        }
+    }
+
+    public static void expand(int id, String key, long scn_msg_id, View loader, Func5to0<String, String, PriorityEnum, Long, Long> okResult)
+    {
+        try
+        {
+            Request request = new Request.Builder()
+                    .url(BASE_URL + "expand.php?user_id=" + id + "&user_key=" + key + "&scn_msg_id=" + scn_msg_id)
+                    .build();
+
+            client.newCall(request).enqueue(new Callback() {
+                @Override
+                public void onFailure(Call call, IOException e) {
+                    Log.e("SC:expand", e.toString());
+                    SCNApp.showToast("Communication with server failed", 4000);
+                    SCNApp.runOnUiThread(() -> {
+                        if (loader != null) loader.setVisibility(View.GONE);
+                    });
+                }
+
+                @Override
+                public void onResponse(Call call, Response response) {
+                    try (ResponseBody responseBody = response.body()) {
+                        if (!response.isSuccessful())
+                            throw new IOException("Unexpected code " + response);
+                        if (responseBody == null) throw new IOException("No response");
+
+                        String r = responseBody.string();
+                        Log.d("Server::Response", request.url().toString()+"\n"+r);
+
+                        JSONObject json = (JSONObject) new JSONTokener(r).nextValue();
+
+                        if (!json_bool(json, "success"))
+                        {
+                            SCNApp.showToast(json_str(json, "message"), 4000);
+                            return;
+                        }
+
+                        JSONObject o = json.getJSONObject("data");
+
+                        long time         = json_lng(o, "timestamp");
+                        String title      = json_str(o, "title");
+                        String content    = json_str(o, "body");
+                        PriorityEnum prio = PriorityEnum.parseAPI(json_int(o, "priority"));
+                        long scn_id       = json_lng(o, "scn_msg_id");
+
+                        okResult.invoke(title, content, prio, time, scn_id);
+
+                    } catch (Exception e) {
+                        Log.e("SC:expand", e.toString());
+                        SCNApp.showToast("Communication with server failed", 4000);
+                    } finally {
+                        SCNApp.runOnUiThread(() -> {
+                            if (loader != null) loader.setVisibility(View.GONE);
+                        });
+                    }
+                }
+            });
+        }
+        catch (Exception e)
+        {
+            Log.e("SC:expand", e.toString());
+            SCNApp.showToast("Communication with server failed", 4000);
+        }
+    }
+
+    private static boolean json_bool(JSONObject o, String key) throws JSONException
+    {
+        Object v = o.get(key);
+        if (v instanceof Integer) return ((int)v) != 0;
+        if (v instanceof Boolean) return ((boolean)v);
+        if (v instanceof String) return !Str.equals(((String)v), "0") && !Str.equals(((String)v), "false");
+
+        return o.getBoolean(key);
+    }
+
+    private static int json_int(JSONObject o, String key) throws JSONException
+    {
+        return o.getInt(key);
+    }
+
+    private static long json_lng(JSONObject o, String key) throws JSONException
+    {
+        return o.getLong(key);
+    }
+
+    private static String json_str(JSONObject o, String key) throws JSONException
+    {
+        return o.getString(key);
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/service/BroadcastReceiverService.java

@@ -0,0 +1,42 @@
+package com.blackforestbytes.simplecloudnotifier.service;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+
+import com.blackforestbytes.simplecloudnotifier.view.MainActivity;
+
+public class BroadcastReceiverService extends BroadcastReceiver
+{
+    public static final int NOTIF_SHOW_MAIN  = 10021;
+    public static final int NOTIF_STOP_SOUND = 10022;
+    public static final String ID_KEY = "com.blackforestbytes.simplecloudnotifier.BroadcastID";
+
+    @Override
+    public void onReceive(Context context, Intent intent)
+    {
+        if (intent == null) return;
+        Bundle extras = intent.getExtras();
+        if (extras == null) return;
+        int notificationId = extras.getInt(ID_KEY, 0);
+
+        if (notificationId == 0) return;
+        else if (notificationId == NOTIF_SHOW_MAIN) showMain(context);
+        else if (notificationId == NOTIF_STOP_SOUND) stopNotificationSound();
+        else return;
+    }
+
+    private void stopNotificationSound()
+    {
+        SoundService.stop();
+    }
+
+    private void showMain(Context ctxt)
+    {
+        SoundService.stop();
+
+        Intent intent = new Intent(ctxt, MainActivity.class);
+        ctxt.startActivity(intent);
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/service/FBMService.java

@@ -0,0 +1,83 @@
+package com.blackforestbytes.simplecloudnotifier.service;
+
+import android.util.Log;
+import android.widget.Toast;
+
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.datatypes.Tuple4;
+import com.blackforestbytes.simplecloudnotifier.lib.datatypes.Tuple5;
+import com.blackforestbytes.simplecloudnotifier.model.CMessage;
+import com.blackforestbytes.simplecloudnotifier.model.CMessageList;
+import com.blackforestbytes.simplecloudnotifier.model.PriorityEnum;
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+import com.blackforestbytes.simplecloudnotifier.model.ServerCommunication;
+import com.google.firebase.messaging.FirebaseMessagingService;
+import com.google.firebase.messaging.RemoteMessage;
+
+public class FBMService extends FirebaseMessagingService
+{
+    @Override
+    public void onNewToken(String token)
+    {
+        Log.i("Firebase::NewToken", token);
+        SCNSettings.inst().setServerToken(token, null);
+    }
+
+    @Override
+    public void onMessageReceived(RemoteMessage remoteMessage)
+    {
+        try
+        {
+            if (!SCNSettings.inst().Enabled) return;
+
+            Log.i("FB::MessageReceived", "From: " + remoteMessage.getFrom());
+            Log.i("FB::MessageReceived", "Payload: " + remoteMessage.getData());
+            if (remoteMessage.getNotification() != null) Log.i("FB::MessageReceived", "Notify_Title: " + remoteMessage.getNotification().getTitle());
+            if (remoteMessage.getNotification() != null) Log.i("FB::MessageReceived", "Notify_Body: " + remoteMessage.getNotification().getBody());
+
+            long time         = Long.parseLong(remoteMessage.getData().get("timestamp"));
+            String title      = remoteMessage.getData().get("title");
+            String content    = remoteMessage.getData().get("body");
+            PriorityEnum prio = PriorityEnum.parseAPI(remoteMessage.getData().get("priority"));
+            long scn_id       = Long.parseLong(remoteMessage.getData().get("scn_msg_id"));
+            boolean trimmed   = Boolean.parseBoolean(remoteMessage.getData().get("trimmed"));
+
+            if (trimmed)
+            {
+                ServerCommunication.expand(SCNSettings.inst().user_id, SCNSettings.inst().user_key, scn_id, null, (i1, i2, i3, i4, i5) -> recieveData(i4, i1, i2, i3, i5, false));
+            }
+            else
+            {
+                recieveData(time, title, content, prio, scn_id, false);
+            }
+        }
+        catch (Exception e)
+        {
+            Log.e("FB:Err", e.toString());
+            SCNApp.showToast("Recieved invalid message from server", Toast.LENGTH_LONG);
+        }
+    }
+
+    public static void recieveData(long time, String title, String content, PriorityEnum prio, long scn_id, boolean alwaysAck)
+    {
+        if (CMessageList.inst().isAck(scn_id))
+        {
+            Log.w("FB::MessageReceived", "Recieved ack-ed message: " + scn_id);
+            if (alwaysAck) ServerCommunication.ack(SCNSettings.inst().user_id, SCNSettings.inst().user_key, scn_id);
+            return;
+        }
+
+        CMessage msg = CMessageList.inst().add(scn_id, time, title, content, prio);
+
+        if (SCNApp.isBackground())
+        {
+            NotificationService.inst().showBackground(msg);
+        }
+        else
+        {
+            NotificationService.inst().showForeground(msg);
+        }
+
+        ServerCommunication.ack(SCNSettings.inst().user_id, SCNSettings.inst().user_key, scn_id);
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/service/IABService.java

@@ -0,0 +1,195 @@
+package com.blackforestbytes.simplecloudnotifier.service;
+
+import android.app.Activity;
+import android.content.Context;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.android.billingclient.api.BillingClient;
+import com.android.billingclient.api.BillingClientStateListener;
+import com.android.billingclient.api.BillingFlowParams;
+import com.android.billingclient.api.Purchase;
+import com.android.billingclient.api.PurchasesUpdatedListener;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.lambda.Func0to0;
+import com.blackforestbytes.simplecloudnotifier.lib.string.Str;
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+import com.blackforestbytes.simplecloudnotifier.view.MainActivity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import androidx.annotation.Nullable;
+
+import static androidx.constraintlayout.widget.Constraints.TAG;
+
+public class IABService implements PurchasesUpdatedListener
+{
+    public static final String IAB_PRO_MODE = "scn.pro.tier1";
+
+    private final static Object _lock = new Object();
+    private static IABService _inst = null;
+    public static IABService inst()
+    {
+        synchronized (_lock)
+        {
+            if (_inst != null) return _inst;
+            throw new Error("IABService == null");
+        }
+    }
+    public static void startup(MainActivity a)
+    {
+        synchronized (_lock)
+        {
+            _inst = new IABService(a);
+        }
+    }
+
+    private BillingClient client;
+    private boolean isServiceConnected;
+    private final List<Purchase> purchases = new ArrayList<>();
+
+    public IABService(Context c)
+    {
+        client = BillingClient
+                .newBuilder(c)
+                .setListener(this)
+                .build();
+
+        startServiceConnection(this::queryPurchases, false);
+    }
+
+    public void queryPurchases()
+    {
+        Func0to0 queryToExecute = () ->
+        {
+            long time = System.currentTimeMillis();
+            Purchase.PurchasesResult purchasesResult = client.queryPurchases(BillingClient.SkuType.INAPP);
+            Log.i(TAG, "Querying purchases elapsed time: " + (System.currentTimeMillis() - time) + "ms");
+
+            if (purchasesResult.getResponseCode() == BillingClient.BillingResponse.OK)
+            {
+                for (Purchase p : purchasesResult.getPurchasesList())
+                {
+                    handlePurchase(p);
+                }
+
+                boolean newProMode = getPurchaseCached(IAB_PRO_MODE) != null;
+                if (newProMode != SCNSettings.inst().promode_local)
+                {
+                    refreshProModeListener();
+                }
+            }
+            else
+            {
+                Log.w(TAG, "queryPurchases() got an error response code: " + purchasesResult.getResponseCode());
+            }
+        };
+
+        executeServiceRequest(queryToExecute, false);
+    }
+
+    public void purchase(Activity a, String id)
+    {
+        executeServiceRequest(() ->
+        {
+            BillingFlowParams flowParams = BillingFlowParams
+                    .newBuilder()
+                    .setSku(id)
+                    .setType(BillingClient.SkuType.INAPP) // SkuType.SUB for subscription
+                    .build();
+            client.launchBillingFlow(a, flowParams);
+        }, true);
+    }
+
+    private void executeServiceRequest(Func0to0 runnable, final boolean userRequest) {
+        if (isServiceConnected)
+        {
+            runnable.invoke();
+        }
+        else
+        {
+            // If billing service was disconnected, we try to reconnect 1 time.
+            // (feel free to introduce your retry policy here).
+            startServiceConnection(runnable, userRequest);
+        }
+    }
+    public void destroy()
+    {
+        if (client != null && client.isReady()) {
+            client.endConnection();
+            client = null;
+            isServiceConnected = false;
+        }
+    }
+
+    @Override
+    public void onPurchasesUpdated(int responseCode, @Nullable List<Purchase> purchases)
+    {
+        if (responseCode == BillingClient.BillingResponse.OK && purchases != null)
+        {
+            for (Purchase purchase : purchases)
+            {
+                handlePurchase(purchase);
+            }
+        }
+        else if (responseCode == BillingClient.BillingResponse.ITEM_ALREADY_OWNED && purchases != null)
+        {
+            for (Purchase purchase : purchases)
+            {
+                handlePurchase(purchase);
+            }
+        }
+    }
+
+    private void handlePurchase(Purchase purchase)
+    {
+        Log.d(TAG, "Got a verified purchase: " + purchase);
+
+        purchases.add(purchase);
+
+        refreshProModeListener();
+    }
+
+    private void refreshProModeListener() {
+        MainActivity ma = SCNApp.getMainActivity();
+        if (ma != null) ma.adpTabs.tab3.updateProState();
+        if (ma != null) ma.adpTabs.tab1.updateProState();
+        SCNSettings.inst().updateProState(null);
+    }
+
+    public void startServiceConnection(final Func0to0 executeOnSuccess, final boolean userRequest)
+    {
+        client.startConnection(new BillingClientStateListener()
+        {
+            @Override
+            public void onBillingSetupFinished(@BillingClient.BillingResponse int billingResponseCode)
+            {
+                if (billingResponseCode == BillingClient.BillingResponse.OK)
+                {
+                    isServiceConnected = true;
+                    if (executeOnSuccess != null) executeOnSuccess.invoke();
+                }
+                else
+                {
+                    if (userRequest) SCNApp.showToast("Could not connect to google services", Toast.LENGTH_SHORT);
+                }
+            }
+
+            @Override
+            public void onBillingServiceDisconnected() {
+                isServiceConnected = false;
+            }
+        });
+    }
+
+    public Purchase getPurchaseCached(String id)
+    {
+        for (Purchase p : purchases)
+        {
+            if (Str.equals(p.getSku(), id)) return p;
+        }
+
+        return null;
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/service/NotificationService.java

@@ -0,0 +1,263 @@
+package com.blackforestbytes.simplecloudnotifier.service;
+
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.graphics.BitmapFactory;
+import android.graphics.Color;
+import android.media.AudioManager;
+import android.net.Uri;
+import android.os.Build;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
+import android.widget.Toast;
+
+import com.blackforestbytes.simplecloudnotifier.R;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.string.Str;
+import com.blackforestbytes.simplecloudnotifier.model.CMessage;
+import com.blackforestbytes.simplecloudnotifier.model.NotificationSettings;
+import com.blackforestbytes.simplecloudnotifier.model.PriorityEnum;
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+import com.blackforestbytes.simplecloudnotifier.view.MainActivity;
+
+import androidx.annotation.RequiresApi;
+import androidx.core.app.NotificationCompat;
+
+public class NotificationService
+{
+    private final static String CHANNEL_P0_ID  = "CHAN_BFB_SCN_MESSAGES_P0";
+    private final static String CHANNEL_P1_ID  = "CHAN_BFB_SCN_MESSAGES_P1";
+    private final static String CHANNEL_P2_ID  = "CHAN_BFB_SCN_MESSAGES_P2";
+
+    private final static Object _lock = new Object();
+    private static NotificationService _inst = null;
+    public static NotificationService inst()
+    {
+        synchronized (_lock)
+        {
+            if (_inst != null) return _inst;
+            return _inst = new NotificationService();
+        }
+    }
+
+    private NotificationService()
+    {
+        createChannels();
+    }
+
+    private void createChannels()
+    {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return;
+
+        Context ctxt = SCNApp.getContext();
+        NotificationManager notifman = ctxt.getSystemService(NotificationManager.class);
+        if (notifman == null) return;
+
+        {
+            NotificationChannel channel0  = notifman.getNotificationChannel(CHANNEL_P0_ID);
+            if (channel0 == null)
+            {
+                channel0 = new NotificationChannel(CHANNEL_P0_ID, "Push notifications (low priority)", NotificationManager.IMPORTANCE_DEFAULT);
+                channel0.setDescription("Push notifications from the server with low priority.\nGo to the in-app settings to configure ringtone, volume and vibrations");
+                channel0.setSound(null, null);
+                channel0.setVibrationPattern(null);
+                channel0.setLightColor(Color.BLUE);
+                notifman.createNotificationChannel(channel0);
+            }
+        }
+        {
+            NotificationChannel channel1  = notifman.getNotificationChannel(CHANNEL_P1_ID);
+            if (channel1 == null)
+            {
+                channel1 = new NotificationChannel(CHANNEL_P1_ID, "Push notifications (normal priority)", NotificationManager.IMPORTANCE_DEFAULT);
+                channel1.setDescription("Push notifications from the server with low priority.\nGo to the in-app settings to configure ringtone, volume and vibrations");
+                channel1.setSound(null, null);
+                channel1.setVibrationPattern(null);
+                channel1.setLightColor(Color.BLUE);
+                notifman.createNotificationChannel(channel1);
+            }
+        }
+        {
+            NotificationChannel channel2  = notifman.getNotificationChannel(CHANNEL_P2_ID);
+            if (channel2 == null)
+            {
+                channel2 = new NotificationChannel(CHANNEL_P2_ID, "Push notifications (high priority)", NotificationManager.IMPORTANCE_DEFAULT);
+                channel2.setDescription("Push notifications from the server with low priority.\nGo to the in-app settings to configure ringtone, volume and vibrations");
+                channel2.setSound(null, null);
+                channel2.setVibrationPattern(null);
+                channel2.setLightColor(Color.BLUE);
+                notifman.createNotificationChannel(channel2);
+            }
+        }
+    }
+
+    public void showForeground(CMessage msg)
+    {
+        SCNApp.showToast("Message recieved: " + msg.Title, Toast.LENGTH_LONG);
+
+        try
+        {
+            NotificationSettings ns = SCNSettings.inst().PriorityNorm;
+            switch (msg.Priority)
+            {
+                case LOW:    ns = SCNSettings.inst().PriorityLow;  break;
+                case NORMAL: ns = SCNSettings.inst().PriorityNorm; break;
+                case HIGH:   ns = SCNSettings.inst().PriorityHigh; break;
+            }
+
+            SoundService.play(ns.EnableSound, ns.SoundSource, ns.ForceVolume, ns.ForceVolumeValue, false);
+
+            if (ns.EnableVibration)
+            {
+                Vibrator v = (Vibrator) SCNApp.getContext().getSystemService(Context.VIBRATOR_SERVICE);
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    v.vibrate(VibrationEffect.createOneShot(1500, VibrationEffect.DEFAULT_AMPLITUDE));
+                } else {
+                    v.vibrate(1500);
+                }
+            }
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+    }
+
+    public void showBackground(CMessage msg)
+    {
+        Context ctxt = SCNApp.getContext();
+
+        NotificationSettings ns = SCNSettings.inst().PriorityNorm;
+        switch (msg.Priority)
+        {
+            case LOW:    ns = SCNSettings.inst().PriorityLow;  break;
+            case NORMAL: ns = SCNSettings.inst().PriorityNorm; break;
+            case HIGH:   ns = SCNSettings.inst().PriorityHigh; break;
+        }
+
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O)
+        {
+            // old
+            showBackground_old(msg, ctxt, ns, msg.Priority);
+        }
+        else
+        {
+            // new
+            showBackground_new(msg, ctxt, ns, msg.Priority);
+        }
+    }
+
+    private String getChannel(PriorityEnum p)
+    {
+        switch (p)
+        {
+            case LOW:    return CHANNEL_P0_ID;
+            case NORMAL: return CHANNEL_P1_ID;
+            case HIGH:   return CHANNEL_P2_ID;
+
+            default:     return CHANNEL_P0_ID;
+        }
+    }
+
+    private void showBackground_old(CMessage msg, Context ctxt, NotificationSettings ns, PriorityEnum prio)
+    {
+        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(ctxt, getChannel(prio));
+        mBuilder.setSmallIcon(R.drawable.ic_notification_white);
+        mBuilder.setLargeIcon(BitmapFactory.decodeResource(ctxt.getResources(), R.mipmap.ic_notification_full));
+        mBuilder.setContentTitle(msg.Title);
+        mBuilder.setContentText(msg.Content);
+        mBuilder.setShowWhen(true);
+        mBuilder.setWhen(msg.Timestamp * 1000);
+        mBuilder.setAutoCancel(true);
+        mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
+        mBuilder.setGroup("com.blackforestbytes.simplecloudnotifier.notifications.group."+prio.toString());
+
+        if (msg.Priority == PriorityEnum.LOW)    mBuilder.setPriority(NotificationCompat.PRIORITY_LOW);
+        if (msg.Priority == PriorityEnum.NORMAL) mBuilder.setPriority(NotificationCompat.PRIORITY_DEFAULT);
+        if (msg.Priority == PriorityEnum.HIGH)   mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
+        if (ns.EnableVibration) mBuilder.setVibrate(new long[]{500});
+        if (ns.EnableLED) mBuilder.setLights(ns.LEDColor, 500, 500);
+
+        if (ns.EnableSound && !ns.SoundSource.isEmpty() && !ns.RepeatSound) mBuilder.setSound(Uri.parse(ns.SoundSource), AudioManager.STREAM_NOTIFICATION);
+
+        Intent intent = new Intent(ctxt, MainActivity.class);
+        PendingIntent pi = PendingIntent.getActivity(ctxt, 0, intent, 0);
+        mBuilder.setContentIntent(pi);
+        NotificationManager mNotificationManager = (NotificationManager) ctxt.getSystemService(Context.NOTIFICATION_SERVICE);
+
+        if (ns.EnableSound && !ns.SoundSource.isEmpty() && ns.RepeatSound)
+        {
+            Intent intnt_stop = new Intent(SCNApp.getContext(), BroadcastReceiverService.class);
+            intnt_stop.putExtra(BroadcastReceiverService.ID_KEY, BroadcastReceiverService.NOTIF_STOP_SOUND);
+            PendingIntent pi_stop = PendingIntent.getBroadcast(SCNApp.getContext().getApplicationContext(), BroadcastReceiverService.NOTIF_STOP_SOUND, intnt_stop, 0);
+            mBuilder.addAction(new NotificationCompat.Action(-1, "Stop", pi_stop));
+            mBuilder.setDeleteIntent(pi_stop);
+
+            SoundService.play(ns.EnableSound, ns.SoundSource, ns.ForceVolume, ns.ForceVolumeValue, ns.RepeatSound);
+        }
+
+        Notification n = mBuilder.build();
+
+        if (mNotificationManager != null) mNotificationManager.notify((int)msg.SCN_ID, n);
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.O)
+    private void showBackground_new(CMessage msg, Context ctxt, NotificationSettings ns, PriorityEnum prio)
+    {
+        NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(ctxt, getChannel(prio));
+        mBuilder.setSmallIcon(R.drawable.ic_notification_white);
+        mBuilder.setLargeIcon(BitmapFactory.decodeResource(ctxt.getResources(), R.mipmap.ic_notification_full));
+        mBuilder.setContentTitle(msg.Title);
+        mBuilder.setContentText(msg.Content);
+        mBuilder.setShowWhen(true);
+        mBuilder.setWhen(msg.Timestamp * 1000);
+        mBuilder.setAutoCancel(true);
+        mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
+        mBuilder.setGroup("com.blackforestbytes.simplecloudnotifier.notifications.group."+prio.toString());
+
+        if (ns.EnableLED) mBuilder.setLights(ns.LEDColor, 500, 500);
+
+        if (msg.Priority == PriorityEnum.LOW)    mBuilder.setPriority(NotificationCompat.PRIORITY_LOW);
+        if (msg.Priority == PriorityEnum.NORMAL) mBuilder.setPriority(NotificationCompat.PRIORITY_DEFAULT);
+        if (msg.Priority == PriorityEnum.HIGH)   mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
+
+        Intent intnt_click = new Intent(SCNApp.getContext(), BroadcastReceiverService.class);
+        intnt_click.putExtra(BroadcastReceiverService.ID_KEY, BroadcastReceiverService.NOTIF_SHOW_MAIN);
+        PendingIntent pi = PendingIntent.getBroadcast(ctxt, 0, intnt_click, 0);
+        mBuilder.setContentIntent(pi);
+        NotificationManager mNotificationManager = (NotificationManager) ctxt.getSystemService(Context.NOTIFICATION_SERVICE);
+        if (mNotificationManager == null) return;
+
+        if (ns.EnableSound && !Str.isNullOrWhitespace(ns.SoundSource))
+        {
+            if (ns.RepeatSound)
+            {
+                Intent intnt_stop = new Intent(SCNApp.getContext(), BroadcastReceiverService.class);
+                intnt_stop.putExtra(BroadcastReceiverService.ID_KEY, BroadcastReceiverService.NOTIF_STOP_SOUND);
+                PendingIntent pi_stop = PendingIntent.getBroadcast(ctxt, BroadcastReceiverService.NOTIF_STOP_SOUND, intnt_stop, 0);
+                mBuilder.addAction(new NotificationCompat.Action(-1, "Stop", pi_stop));
+                mBuilder.setDeleteIntent(pi_stop);
+            }
+
+            SoundService.play(ns.EnableSound, ns.SoundSource, ns.ForceVolume, ns.ForceVolumeValue, ns.RepeatSound);
+        }
+
+        Notification n = mBuilder.build();
+        n.flags |= Notification.FLAG_AUTO_CANCEL;
+
+        mNotificationManager.notify((int)msg.SCN_ID, n);
+
+        if (ns.EnableVibration)
+        {
+            Vibrator v = (Vibrator) SCNApp.getContext().getSystemService(Context.VIBRATOR_SERVICE);
+            v.vibrate(VibrationEffect.createOneShot(1500, VibrationEffect.DEFAULT_AMPLITUDE));
+        }
+
+        //if (ns.EnableLED) {  } // no LED in Android-O -- configure via Channel
+    }
+
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/service/SoundService.java

@@ -0,0 +1,56 @@
+package com.blackforestbytes.simplecloudnotifier.service;
+
+import android.content.Context;
+import android.media.AudioAttributes;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.net.Uri;
+import android.util.Log;
+
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.string.Str;
+
+import java.io.IOException;
+
+public class SoundService
+{
+    private static MediaPlayer mpLast = null;
+
+    public static void play(boolean enableSound, String soundSource, boolean forceVolume, int forceVolumeValue, boolean loop)
+    {
+        if (!enableSound) return;
+        if (Str.isNullOrWhitespace(soundSource)) return;
+
+        stop();
+
+        if (forceVolume)
+        {
+            AudioManager aman = (AudioManager) SCNApp.getContext().getSystemService(Context.AUDIO_SERVICE);
+            int maxVolume = aman.getStreamMaxVolume(AudioManager.STREAM_NOTIFICATION);
+            aman.setStreamVolume(AudioManager.STREAM_NOTIFICATION, (int)(maxVolume * (forceVolumeValue / 100.0)), 0);
+        }
+
+        try
+        {
+            MediaPlayer player = new MediaPlayer();
+            player.setAudioAttributes(new AudioAttributes.Builder().setLegacyStreamType(AudioManager.STREAM_NOTIFICATION).build());
+            player.setAudioStreamType(AudioManager.STREAM_NOTIFICATION);
+            player.setDataSource(SCNApp.getContext(), Uri.parse(soundSource));
+            player.setLooping(loop);
+            player.setOnCompletionListener(  mp -> { mp.stop(); mp.release(); });
+            player.setOnSeekCompleteListener(mp -> { mp.stop(); mp.release(); });
+            player.prepare();
+            player.start();
+            mpLast = player;
+        }
+        catch (IOException e)
+        {
+            Log.e("Sound::play", e.toString());
+        }
+    }
+
+    public static void stop()
+    {
+        if (mpLast != null && mpLast.isPlaying()) { mpLast.stop(); mpLast.release(); mpLast = null; }
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/util/MessageAdapterTouchHelper.java

@@ -0,0 +1,89 @@
+package com.blackforestbytes.simplecloudnotifier.util;
+
+import android.graphics.Canvas;
+import android.view.View;
+
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+import com.blackforestbytes.simplecloudnotifier.view.MessageAdapter;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.RecyclerView;
+
+public class MessageAdapterTouchHelper extends ItemTouchHelper.SimpleCallback
+{
+    private MessageAdapterTouchHelperListener listener;
+
+    private int dir = 0;
+
+    public MessageAdapterTouchHelper(int dragDirs, int swipeDirs, MessageAdapterTouchHelperListener listener)
+    {
+        super(dragDirs, swipeDirs);
+        this.dir = swipeDirs;
+        this.listener = listener;
+        updateEnabled();
+    }
+
+    public void updateEnabled()
+    {
+        int sdir = SCNSettings.inst().EnableDeleteSwipe ? ItemTouchHelper.LEFT : 0;
+        if (dir == sdir) return;
+        setDefaultSwipeDirs(dir = sdir);
+    }
+
+    @Override
+    public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, @NonNull RecyclerView.ViewHolder target)
+    {
+        return true;
+    }
+
+    @Override
+    public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState)
+    {
+        if (viewHolder != null)
+        {
+            final View foregroundView = ((MessageAdapter.MessagePresenter) viewHolder).viewForeground;
+
+            getDefaultUIUtil().onSelected(foregroundView);
+        }
+    }
+
+    @Override
+    public void onChildDrawOver(@NonNull Canvas c, @NonNull RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive)
+    {
+        final View foregroundView = ((MessageAdapter.MessagePresenter) viewHolder).viewForeground;
+        getDefaultUIUtil().onDrawOver(c, recyclerView, foregroundView, dX, dY, actionState, isCurrentlyActive);
+    }
+
+    @Override
+    public void clearView(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder)
+    {
+        final View foregroundView = ((MessageAdapter.MessagePresenter) viewHolder).viewForeground;
+        getDefaultUIUtil().clearView(foregroundView);
+    }
+
+    @Override
+    public void onChildDraw(@NonNull Canvas c, @NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState, boolean isCurrentlyActive)
+    {
+        final View foregroundView = ((MessageAdapter.MessagePresenter) viewHolder).viewForeground;
+
+        getDefaultUIUtil().onDraw(c, recyclerView, foregroundView, dX, dY, actionState, isCurrentlyActive);
+    }
+
+    @Override
+    public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction)
+    {
+        listener.onSwiped(viewHolder, direction, viewHolder.getAdapterPosition());
+    }
+
+    @Override
+    public int convertToAbsoluteDirection(int flags, int layoutDirection)
+    {
+        return super.convertToAbsoluteDirection(flags, layoutDirection);
+    }
+
+    public interface MessageAdapterTouchHelperListener
+    {
+        void onSwiped(RecyclerView.ViewHolder viewHolder, int direction, int position);
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/view/AccountFragment.java

@@ -0,0 +1,156 @@
+package com.blackforestbytes.simplecloudnotifier.view;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.graphics.Color;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.blackforestbytes.simplecloudnotifier.R;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.model.CMessageList;
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+
+import net.glxn.qrgen.android.QRCode;
+import net.glxn.qrgen.core.image.ImageType;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.Fragment;
+
+import static android.content.Context.CLIPBOARD_SERVICE;
+
+public class AccountFragment extends Fragment
+{
+    public AccountFragment()
+    {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
+    {
+        View v = inflater.inflate(R.layout.fragment_account, container, false);
+
+        updateUI(v);
+
+        v.findViewById(R.id.btnCopyUserID).setOnClickListener(cv ->
+        {
+            ClipboardManager clipboard = (ClipboardManager) cv.getContext().getSystemService(CLIPBOARD_SERVICE);
+            clipboard.setPrimaryClip(ClipData.newPlainText("UserID", String.valueOf(SCNSettings.inst().user_id)));
+            SCNApp.showToast("Copied userID to clipboard", 1000);
+        });
+
+        v.findViewById(R.id.btnCopyUserKey).setOnClickListener(cv ->
+        {
+            ClipboardManager clipboard = (ClipboardManager) cv.getContext().getSystemService(CLIPBOARD_SERVICE);
+            clipboard.setPrimaryClip(ClipData.newPlainText("UserKey", String.valueOf(SCNSettings.inst().user_key)));
+            SCNApp.showToast("Copied key to clipboard", 1000);
+        });
+
+        v.findViewById(R.id.btnAccountReset).setOnClickListener(cv ->
+        {
+            Activity a = getActivity();
+            if (a == null) return;
+
+            AlertDialog.Builder builder = new AlertDialog.Builder(a);
+
+            builder.setTitle("Confirm");
+            builder.setMessage("Reset account key?");
+
+            builder.setPositiveButton("YES", (dialog, which) -> {
+                View lpnl = v.findViewById(R.id.loadingPanel);
+                lpnl.setVisibility(View.VISIBLE);
+                SCNSettings.inst().reset(lpnl);
+                dialog.dismiss();
+            });
+
+            builder.setNegativeButton("NO", (dialog, which) -> dialog.dismiss());
+
+            AlertDialog alert = builder.create();
+            alert.show();
+        });
+
+        v.findViewById(R.id.btnClearLocalStorage).setOnClickListener(cv ->
+        {
+            Activity a = getActivity();
+            if (a == null) return;
+
+            AlertDialog.Builder builder = new AlertDialog.Builder(a);
+
+            builder.setTitle("Confirm");
+            builder.setMessage("Clear local messages?");
+
+            builder.setPositiveButton("YES", (dialog, which) -> {
+                CMessageList.inst().clear();
+                SCNApp.showToast("Messages cleared", 1000);
+                dialog.dismiss();
+            });
+
+            builder.setNegativeButton("NO", (dialog, which) -> dialog.dismiss());
+
+            AlertDialog alert = builder.create();
+            alert.show();
+        });
+
+        v.findViewById(R.id.btnQR).setOnClickListener(cv ->
+        {
+            Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(SCNSettings.inst().createOnlineURL(true)));
+            startActivity(browserIntent);
+        });
+
+        v.findViewById(R.id.btnRefresh).setOnClickListener(cv ->
+        {
+            View lpnl = v.findViewById(R.id.loadingPanel);
+            lpnl.setVisibility(View.VISIBLE);
+            SCNSettings.inst().refresh(lpnl, getActivity());
+        });
+
+        return v;
+    }
+
+    public void updateUI()
+    {
+        updateUI(getView());
+    }
+
+    @SuppressLint("DefaultLocale")
+    public void updateUI(View v)
+    {
+        if (v == null) return;
+        TextView    tvUserID  = v.findViewById(R.id.tvUserID);
+        TextView    tvUserKey = v.findViewById(R.id.tvUserKey);
+        TextView    tvQuota   = v.findViewById(R.id.tvQuota);
+        ImageView   ivQuota   = v.findViewById(R.id.ic_img_quota);
+        ImageButton btnQR     = v.findViewById(R.id.btnQR);
+
+        SCNSettings s = SCNSettings.inst();
+
+        if (s.isConnected())
+        {
+            tvUserID.setText(String.valueOf(s.user_id));
+            tvUserKey.setText(s.user_key);
+            tvQuota.setText(String.format("%d / %d", s.quota_curr, s.quota_max));
+            btnQR.setImageBitmap(QRCode.from(s.createOnlineURL(false)).to(ImageType.PNG).withSize(512, 512).bitmap());
+            ivQuota.setColorFilter(s.quota_curr>=s.quota_max ? Color.rgb(200, 0, 0) : Color.rgb(128, 128, 128));
+        }
+        else
+        {
+            tvUserID.setText(R.string.str_not_connected);
+            tvUserKey.setText(R.string.str_not_connected);
+            tvQuota.setText(R.string.str_not_connected);
+            btnQR.setImageResource(R.drawable.qr_default);
+            ivQuota.setColorFilter(0x80_80_80);
+        }
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/view/MainActivity.java

@@ -0,0 +1,84 @@
+package com.blackforestbytes.simplecloudnotifier.view;
+
+import android.os.Bundle;
+import android.widget.RelativeLayout;
+
+import com.blackforestbytes.simplecloudnotifier.R;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.model.CMessageList;
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+import com.blackforestbytes.simplecloudnotifier.service.IABService;
+import com.blackforestbytes.simplecloudnotifier.service.NotificationService;
+import com.google.android.material.tabs.TabLayout;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.viewpager.widget.PagerAdapter;
+import androidx.viewpager.widget.ViewPager;
+
+public class MainActivity extends AppCompatActivity
+{
+    public TabAdapter adpTabs;
+    public RelativeLayout layoutRoot;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        NotificationService.inst();
+        CMessageList.inst();
+
+        layoutRoot = findViewById(R.id.layoutRoot);
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        ViewPager viewPager = findViewById(R.id.pager);
+        PagerAdapter adapter = adpTabs = new TabAdapter(getSupportFragmentManager());
+        viewPager.setAdapter(adapter);
+
+        TabLayout tabLayout = findViewById(R.id.tab_layout);
+        tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
+        tabLayout.setupWithViewPager(viewPager);
+
+        viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
+            @Override
+            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { /* */ }
+
+            @Override
+            public void onPageSelected(int position)
+            {
+                if (position != 2) adpTabs.tab3.onViewpagerHide();
+            }
+
+            @Override
+            public void onPageScrollStateChanged(int state) {
+
+            }
+        });
+
+        SCNApp.register(this);
+        IABService.startup(this);
+        SCNSettings.inst().work(this);
+    }
+
+    @Override
+    protected void onStop()
+    {
+        super.onStop();
+
+        SCNSettings.inst().save();
+        CMessageList.inst().fullSave();
+    }
+
+    @Override
+    protected void onDestroy()
+    {
+        super.onDestroy();
+
+        CMessageList.inst().fullSave();
+        IABService.inst().destroy();
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/view/MessageAdapter.java

@@ -0,0 +1,175 @@
+package com.blackforestbytes.simplecloudnotifier.view;
+
+import android.graphics.Color;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import com.blackforestbytes.simplecloudnotifier.R;
+import com.blackforestbytes.simplecloudnotifier.model.CMessage;
+import com.blackforestbytes.simplecloudnotifier.model.CMessageList;
+
+import java.lang.ref.WeakReference;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.WeakHashMap;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+public class MessageAdapter extends RecyclerView.Adapter
+{
+    private final View vNoElements;
+    private final LinearLayoutManager manLayout;
+    private final RecyclerView viewRecycler;
+
+    private WeakHashMap<MessagePresenter, Boolean> viewHolders = new WeakHashMap<>();
+
+    public MessageAdapter(View noElementsView, LinearLayoutManager layout, RecyclerView recycler)
+    {
+        vNoElements  = noElementsView;
+        manLayout    = layout;
+        viewRecycler = recycler;
+        CMessageList.inst().register(this);
+
+        vNoElements.setVisibility(getItemCount()>0 ? View.GONE : View.VISIBLE);
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType)
+    {
+        View myView = LayoutInflater.from(parent.getContext()).inflate(R.layout.message_card, parent, false);
+        return new MessagePresenter(myView);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position)
+    {
+        CMessage msg = CMessageList.inst().tryGetFromBack(position);
+        MessagePresenter view = (MessagePresenter) holder;
+        view.setMessage(msg);
+
+        viewHolders.put(view, true);
+    }
+
+    @Override
+    public void onViewRecycled(@NonNull RecyclerView.ViewHolder holder)
+    {
+        if (holder instanceof MessagePresenter) viewHolders.remove(holder);
+    }
+
+    @Override
+    public int getItemCount()
+    {
+        return CMessageList.inst().size();
+    }
+
+    public void customNotifyItemInserted(int idx)
+    {
+        notifyItemInserted(idx);
+        vNoElements.setVisibility(getItemCount()>0 ? View.GONE : View.VISIBLE);
+    }
+
+    public void customNotifyDataSetChanged()
+    {
+        notifyDataSetChanged();
+        vNoElements.setVisibility(getItemCount()>0 ? View.GONE : View.VISIBLE);
+    }
+
+    public void scrollToTop()
+    {
+        manLayout.smoothScrollToPosition(viewRecycler, null, 0);
+    }
+
+    public CMessage removeItem(int position)
+    {
+        CMessage i = CMessageList.inst().removeFromBack(position);
+        notifyDataSetChanged();
+        return i;
+    }
+
+    public void restoreItem(CMessage item, int position)
+    {
+        CMessageList.inst().insert(position, item);
+        notifyDataSetChanged();
+    }
+
+    public class MessagePresenter extends RecyclerView.ViewHolder implements View.OnClickListener
+    {
+        private TextView tvTimestamp;
+        private TextView tvTitle;
+        private TextView tvMessage;
+        private ImageView ivPriority;
+
+        public RelativeLayout viewForeground;
+        public RelativeLayout viewBackground;
+
+        private CMessage data;
+
+        MessagePresenter(View itemView)
+        {
+            super(itemView);
+            tvTimestamp    = itemView.findViewById(R.id.tvTimestamp);
+            tvTitle        = itemView.findViewById(R.id.tvTitle);
+            tvMessage      = itemView.findViewById(R.id.tvMessage);
+            ivPriority     = itemView.findViewById(R.id.ivPriority);
+            viewForeground = itemView.findViewById(R.id.layoutFront);
+            viewBackground = itemView.findViewById(R.id.layoutBack);
+
+            itemView.setOnClickListener(this);
+            tvTimestamp.setOnClickListener(this);
+            tvTitle.setOnClickListener(this);
+            tvMessage.setOnClickListener(this);
+            ivPriority.setOnClickListener(this);
+            viewForeground.setOnClickListener(this);
+        }
+
+        void setMessage(CMessage msg)
+        {
+            tvTimestamp.setText(msg.formatTimestamp());
+            tvTitle.setText(msg.Title);
+            tvMessage.setText(msg.Content);
+
+            switch (msg.Priority)
+            {
+                case LOW:
+                    ivPriority.setVisibility(View.VISIBLE);
+                    ivPriority.setImageResource(R.drawable.priority_low);
+                    ivPriority.setColorFilter(Color.rgb(176, 176, 176));
+                    break;
+                case NORMAL:
+                    ivPriority.setVisibility(View.GONE);
+                    ivPriority.setColorFilter(Color.rgb(176, 176, 176));
+                    break;
+                case HIGH:
+                    ivPriority.setVisibility(View.VISIBLE);
+                    ivPriority.setImageResource(R.drawable.priority_high);
+                    ivPriority.setColorFilter(Color.rgb(200, 0, 0));
+                    break;
+            }
+
+            data = msg;
+        }
+
+        @Override
+        public void onClick(View v)
+        {
+            for (MessagePresenter holder : MessageAdapter.this.viewHolders.keySet())
+            {
+                if (holder == null) continue;
+                if (holder == this) continue;
+                if (holder.tvMessage == null) continue;
+                if (holder.tvMessage.getMaxLines() == 6) continue;
+                holder.tvMessage.setMaxLines(6);
+            }
+
+            tvMessage.setMaxLines(9999);
+        }
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/view/NotificationsFragment.java

@@ -0,0 +1,80 @@
+package com.blackforestbytes.simplecloudnotifier.view;
+
+import android.graphics.Color;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.blackforestbytes.simplecloudnotifier.R;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.model.CMessage;
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+import com.blackforestbytes.simplecloudnotifier.service.IABService;
+import com.blackforestbytes.simplecloudnotifier.util.MessageAdapterTouchHelper;
+import com.google.android.gms.ads.doubleclick.PublisherAdRequest;
+import com.google.android.gms.ads.doubleclick.PublisherAdView;
+import com.google.android.material.snackbar.Snackbar;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+public class NotificationsFragment extends Fragment implements MessageAdapterTouchHelper.MessageAdapterTouchHelperListener
+{
+    private PublisherAdView adView;
+    private MessageAdapter adpMessages;
+
+    public MessageAdapterTouchHelper touchHelper;
+
+    public NotificationsFragment()
+    {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
+    {
+        View v = inflater.inflate(R.layout.fragment_notifications, container, false);
+
+        RecyclerView rvMessages = v.findViewById(R.id.rvMessages);
+        LinearLayoutManager lman = new LinearLayoutManager(this.getContext(), RecyclerView.VERTICAL, false);
+        rvMessages.setLayoutManager(lman);
+        rvMessages.setAdapter(adpMessages = new MessageAdapter(v.findViewById(R.id.tvNoElements), lman, rvMessages));
+
+        ItemTouchHelper.SimpleCallback itemTouchHelperCallback = touchHelper = new MessageAdapterTouchHelper(0, ItemTouchHelper.LEFT, this);
+        new ItemTouchHelper(itemTouchHelperCallback).attachToRecyclerView(rvMessages);
+
+        adView = v.findViewById(R.id.adBanner);
+        PublisherAdRequest adRequest = new PublisherAdRequest.Builder().build();
+        adView.loadAd(adRequest);
+
+        adView.setVisibility(SCNSettings.inst().promode_local ? View.GONE : View.VISIBLE);
+
+        return v;
+    }
+
+    public void updateProState()
+    {
+        if (adView != null) adView.setVisibility(IABService.inst().getPurchaseCached(IABService.IAB_PRO_MODE) != null ? View.GONE : View.VISIBLE);
+    }
+
+    @Override
+    public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction, int position)
+    {
+        if (viewHolder instanceof MessageAdapter.MessagePresenter)
+        {
+            final int deletedIndex = viewHolder.getAdapterPosition();
+
+            final CMessage deletedItem = adpMessages.removeItem(viewHolder.getAdapterPosition());
+            String name = deletedItem.Title;
+
+            Snackbar snackbar = Snackbar.make(SCNApp.getMainActivity().layoutRoot, name + " removed", Snackbar.LENGTH_LONG);
+            snackbar.setAction("UNDO", view -> adpMessages.restoreItem(deletedItem, deletedIndex));
+            snackbar.setActionTextColor(Color.YELLOW);
+            snackbar.show();
+        }
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/view/SettingsFragment.java

@@ -0,0 +1,506 @@
+package com.blackforestbytes.simplecloudnotifier.view;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.media.AudioAttributes;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.media.Ringtone;
+import android.media.RingtoneManager;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.SeekBar;
+import android.widget.Spinner;
+import android.widget.Switch;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.android.billingclient.api.Purchase;
+import com.blackforestbytes.simplecloudnotifier.R;
+import com.blackforestbytes.simplecloudnotifier.SCNApp;
+import com.blackforestbytes.simplecloudnotifier.lib.android.ThreadUtils;
+import com.blackforestbytes.simplecloudnotifier.lib.lambda.FI;
+import com.blackforestbytes.simplecloudnotifier.lib.string.Str;
+import com.blackforestbytes.simplecloudnotifier.model.SCNSettings;
+import com.blackforestbytes.simplecloudnotifier.service.IABService;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import top.defaults.colorpicker.ColorPickerPopup;
+import xyz.aprildown.ultimatemusicpicker.MusicPickerListener;
+import xyz.aprildown.ultimatemusicpicker.UltimateMusicPicker;
+
+public class SettingsFragment extends Fragment implements MusicPickerListener
+{
+    private Switch    prefAppEnabled;
+    private Spinner   prefLocalCacheSize;
+    private Button    prefUpgradeAccount;
+    private TextView  prefUpgradeAccount_msg;
+    private TextView  prefUpgradeAccount_info;
+    private Switch    prefEnableDeleteSwipe;
+
+    private Switch    prefMsgLowEnableSound;
+    private TextView  prefMsgLowRingtone_value;
+    private View      prefMsgLowRingtone_container;
+    private Switch    prefMsgLowRepeatSound;
+    private Switch    prefMsgLowEnableLED;
+    private View      prefMsgLowLedColor_container;
+    private ImageView prefMsgLowLedColor_value;
+    private Switch    prefMsgLowEnableVibrations;
+    private Switch    prefMsgLowForceVolume;
+    private SeekBar   prefMsgLowVolume;
+    private ImageView prefMsgLowVolumeTest;
+
+    private Switch    prefMsgNormEnableSound;
+    private TextView  prefMsgNormRingtone_value;
+    private View      prefMsgNormRingtone_container;
+    private Switch    prefMsgNormRepeatSound;
+    private Switch    prefMsgNormEnableLED;
+    private View      prefMsgNormLedColor_container;
+    private ImageView prefMsgNormLedColor_value;
+    private Switch    prefMsgNormEnableVibrations;
+    private Switch    prefMsgNormForceVolume;
+    private SeekBar   prefMsgNormVolume;
+    private ImageView prefMsgNormVolumeTest;
+
+    private Switch    prefMsgHighEnableSound;
+    private TextView  prefMsgHighRingtone_value;
+    private View      prefMsgHighRingtone_container;
+    private Switch    prefMsgHighRepeatSound;
+    private Switch    prefMsgHighEnableLED;
+    private View      prefMsgHighLedColor_container;
+    private ImageView prefMsgHighLedColor_value;
+    private Switch    prefMsgHighEnableVibrations;
+    private Switch    prefMsgHighForceVolume;
+    private SeekBar   prefMsgHighVolume;
+    private ImageView prefMsgHighVolumeTest;
+
+    private int musicPickerSwitch = -1;
+
+    private MediaPlayer[] mPlayers = new MediaPlayer[3];
+
+    public SettingsFragment()
+    {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
+    {
+        View v = inflater.inflate(R.layout.fragment_settings, container, false);
+
+        initFields(v);
+        updateUI();
+        initListener();
+
+        return v;
+    }
+
+    private void initFields(View v)
+    {
+        prefAppEnabled                = v.findViewById(R.id.prefAppEnabled);
+        prefLocalCacheSize            = v.findViewById(R.id.prefLocalCacheSize);
+        prefUpgradeAccount            = v.findViewById(R.id.prefUpgradeAccount);
+        prefUpgradeAccount_msg        = v.findViewById(R.id.prefUpgradeAccount2);
+        prefUpgradeAccount_info       = v.findViewById(R.id.prefUpgradeAccount_info);
+        prefEnableDeleteSwipe         = v.findViewById(R.id.prefEnableDeleteSwipe);
+
+        prefMsgLowEnableSound         = v.findViewById(R.id.prefMsgLowEnableSound);
+        prefMsgLowRingtone_value      = v.findViewById(R.id.prefMsgLowRingtone_value);
+        prefMsgLowRingtone_container  = v.findViewById(R.id.prefMsgLowRingtone_container);
+        prefMsgLowRepeatSound         = v.findViewById(R.id.prefMsgLowRepeatSound);
+        prefMsgLowEnableLED           = v.findViewById(R.id.prefMsgLowEnableLED);
+        prefMsgLowLedColor_value      = v.findViewById(R.id.prefMsgLowLedColor_value);
+        prefMsgLowLedColor_container  = v.findViewById(R.id.prefMsgLowLedColor_container);
+        prefMsgLowEnableVibrations    = v.findViewById(R.id.prefMsgLowEnableVibrations);
+        prefMsgLowForceVolume         = v.findViewById(R.id.prefMsgLowForceVolume);
+        prefMsgLowVolume              = v.findViewById(R.id.prefMsgLowVolume);
+        prefMsgLowVolumeTest          = v.findViewById(R.id.btnLowVolumeTest);
+
+        prefMsgNormEnableSound        = v.findViewById(R.id.prefMsgNormEnableSound);
+        prefMsgNormRingtone_value     = v.findViewById(R.id.prefMsgNormRingtone_value);
+        prefMsgNormRingtone_container = v.findViewById(R.id.prefMsgNormRingtone_container);
+        prefMsgNormRepeatSound        = v.findViewById(R.id.prefMsgNormRepeatSound);
+        prefMsgNormEnableLED          = v.findViewById(R.id.prefMsgNormEnableLED);
+        prefMsgNormLedColor_value     = v.findViewById(R.id.prefMsgNormLedColor_value);
+        prefMsgNormLedColor_container = v.findViewById(R.id.prefMsgNormLedColor_container);
+        prefMsgNormEnableVibrations   = v.findViewById(R.id.prefMsgNormEnableVibrations);
+        prefMsgNormForceVolume         = v.findViewById(R.id.prefMsgNormForceVolume);
+        prefMsgNormVolume              = v.findViewById(R.id.prefMsgNormVolume);
+        prefMsgNormVolumeTest          = v.findViewById(R.id.btnNormVolumeTest);
+
+        prefMsgHighEnableSound        = v.findViewById(R.id.prefMsgHighEnableSound);
+        prefMsgHighRingtone_value     = v.findViewById(R.id.prefMsgHighRingtone_value);
+        prefMsgHighRingtone_container = v.findViewById(R.id.prefMsgHighRingtone_container);
+        prefMsgHighRepeatSound        = v.findViewById(R.id.prefMsgHighRepeatSound);
+        prefMsgHighEnableLED          = v.findViewById(R.id.prefMsgHighEnableLED);
+        prefMsgHighLedColor_value     = v.findViewById(R.id.prefMsgHighLedColor_value);
+        prefMsgHighLedColor_container = v.findViewById(R.id.prefMsgHighLedColor_container);
+        prefMsgHighEnableVibrations   = v.findViewById(R.id.prefMsgHighEnableVibrations);
+        prefMsgHighForceVolume         = v.findViewById(R.id.prefMsgHighForceVolume);
+        prefMsgHighVolume              = v.findViewById(R.id.prefMsgHighVolume);
+        prefMsgHighVolumeTest          = v.findViewById(R.id.btnHighVolumeTest);
+    }
+
+    private void updateUI()
+    {
+        SCNSettings s = SCNSettings.inst();
+        Context c = getContext();
+        if (c == null) return;
+
+        if (prefAppEnabled.isChecked() != s.Enabled) prefAppEnabled.setChecked(s.Enabled);
+        if (prefEnableDeleteSwipe.isChecked() != s.EnableDeleteSwipe) prefEnableDeleteSwipe.setChecked(s.EnableDeleteSwipe);
+
+        prefUpgradeAccount.setVisibility(     SCNSettings.inst().promode_local ? View.GONE    : View.VISIBLE);
+        prefUpgradeAccount_info.setVisibility(SCNSettings.inst().promode_local ? View.GONE    : View.VISIBLE);
+        prefUpgradeAccount_msg.setVisibility( SCNSettings.inst().promode_local ? View.VISIBLE : View.GONE   );
+
+        ArrayAdapter<Integer> plcsa = new ArrayAdapter<>(c, android.R.layout.simple_spinner_item, SCNSettings.CHOOSABLE_CACHE_SIZES);
+        plcsa.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        prefLocalCacheSize.setAdapter(plcsa);
+        prefLocalCacheSize.setSelection(getCacheSizeIndex(s.LocalCacheSize));
+
+        if (prefMsgLowEnableSound.isChecked() != s.PriorityLow.EnableSound) prefMsgLowEnableSound.setChecked(s.PriorityLow.EnableSound);
+        if (!prefMsgLowRingtone_value.getText().equals(s.PriorityLow.SoundName)) prefMsgLowRingtone_value.setText(s.PriorityLow.SoundName);
+        if (prefMsgLowRepeatSound.isChecked() != s.PriorityLow.RepeatSound) prefMsgLowRepeatSound.setChecked(s.PriorityLow.RepeatSound);
+        if (prefMsgLowEnableLED.isChecked() != s.PriorityLow.EnableLED) prefMsgLowEnableLED.setChecked(s.PriorityLow.EnableLED);
+        prefMsgLowLedColor_value.setColorFilter(s.PriorityLow.LEDColor);
+        if (prefMsgLowEnableVibrations.isChecked() != s.PriorityLow.EnableVibration) prefMsgLowEnableVibrations.setChecked(s.PriorityLow.EnableVibration);
+        if (prefMsgLowForceVolume.isChecked() != s.PriorityLow.ForceVolume) prefMsgLowForceVolume.setChecked(s.PriorityLow.ForceVolume);
+        if (prefMsgLowVolume.getMax() != 100) prefMsgLowVolume.setMax(100);
+        if (prefMsgLowVolume.getProgress() != s.PriorityLow.ForceVolumeValue) prefMsgLowVolume.setProgress(s.PriorityLow.ForceVolumeValue);
+        if (prefMsgLowVolume.isEnabled() != s.PriorityLow.ForceVolume) prefMsgLowVolume.setEnabled(s.PriorityLow.ForceVolume);
+        if (prefMsgLowVolumeTest.isEnabled() != s.PriorityLow.ForceVolume) prefMsgLowVolumeTest.setEnabled(s.PriorityLow.ForceVolume);
+        if (s.PriorityLow.ForceVolume) prefMsgLowVolumeTest.setColorFilter(null); else prefMsgLowVolumeTest.setColorFilter(Color.argb(150,200,200,200));
+
+        if (prefMsgNormEnableSound.isChecked() != s.PriorityNorm.EnableSound) prefMsgNormEnableSound.setChecked(s.PriorityNorm.EnableSound);
+        if (!prefMsgNormRingtone_value.getText().equals(s.PriorityNorm.SoundName)) prefMsgNormRingtone_value.setText(s.PriorityNorm.SoundName);
+        if (prefMsgNormRepeatSound.isChecked() != s.PriorityNorm.RepeatSound) prefMsgNormRepeatSound.setChecked(s.PriorityNorm.RepeatSound);
+        if (prefMsgNormEnableLED.isChecked() != s.PriorityNorm.EnableLED) prefMsgNormEnableLED.setChecked(s.PriorityNorm.EnableLED);
+        prefMsgNormLedColor_value.setColorFilter(s.PriorityNorm.LEDColor);
+        if (prefMsgNormEnableVibrations.isChecked() != s.PriorityNorm.EnableVibration) prefMsgNormEnableVibrations.setChecked(s.PriorityNorm.EnableVibration);
+        if (prefMsgNormForceVolume.isChecked() != s.PriorityNorm.ForceVolume) prefMsgNormForceVolume.setChecked(s.PriorityNorm.ForceVolume);
+        if (prefMsgNormVolume.getMax() != 100) prefMsgNormVolume.setMax(100);
+        if (prefMsgNormVolume.getProgress() != s.PriorityNorm.ForceVolumeValue) prefMsgNormVolume.setProgress(s.PriorityNorm.ForceVolumeValue);
+        if (prefMsgNormVolume.isEnabled() != s.PriorityNorm.ForceVolume) prefMsgNormVolume.setEnabled(s.PriorityNorm.ForceVolume);
+        if (prefMsgNormVolumeTest.isEnabled() != s.PriorityNorm.ForceVolume) prefMsgNormVolumeTest.setEnabled(s.PriorityNorm.ForceVolume);
+        if (s.PriorityNorm.ForceVolume) prefMsgNormVolumeTest.setColorFilter(null); else prefMsgNormVolumeTest.setColorFilter(Color.argb(150,200,200,200));
+
+        if (prefMsgHighEnableSound.isChecked() != s.PriorityHigh.EnableSound) prefMsgHighEnableSound.setChecked(s.PriorityHigh.EnableSound);
+        if (!prefMsgHighRingtone_value.getText().equals(s.PriorityHigh.SoundName)) prefMsgHighRingtone_value.setText(s.PriorityHigh.SoundName);
+        if (prefMsgHighRepeatSound.isChecked() != s.PriorityHigh.RepeatSound) prefMsgHighRepeatSound.setChecked(s.PriorityHigh.RepeatSound);
+        if (prefMsgHighEnableLED.isChecked() != s.PriorityHigh.EnableLED) prefMsgHighEnableLED.setChecked(s.PriorityHigh.EnableLED);
+        prefMsgHighLedColor_value.setColorFilter(s.PriorityHigh.LEDColor);
+        if (prefMsgHighEnableVibrations.isChecked() != s.PriorityHigh.EnableVibration) prefMsgHighEnableVibrations.setChecked(s.PriorityHigh.EnableVibration);
+        if (prefMsgHighForceVolume.isChecked() != s.PriorityHigh.ForceVolume) prefMsgHighForceVolume.setChecked(s.PriorityHigh.ForceVolume);
+        if (prefMsgHighVolume.getMax() != 100) prefMsgHighVolume.setMax(100);
+        if (prefMsgHighVolume.getProgress() != s.PriorityHigh.ForceVolumeValue) prefMsgHighVolume.setProgress(s.PriorityHigh.ForceVolumeValue);
+        if (prefMsgHighVolume.isEnabled() != s.PriorityHigh.ForceVolume) prefMsgHighVolume.setEnabled(s.PriorityHigh.ForceVolume);
+        if (prefMsgHighVolumeTest.isEnabled() != s.PriorityHigh.ForceVolume) prefMsgHighVolumeTest.setEnabled(s.PriorityHigh.ForceVolume);
+        if (s.PriorityHigh.ForceVolume) prefMsgHighVolumeTest.setColorFilter(null); else prefMsgHighVolumeTest.setColorFilter(Color.argb(150,200,200,200));
+    }
+
+    private void initListener()
+    {
+        SCNSettings s = SCNSettings.inst();
+
+        prefAppEnabled.setOnCheckedChangeListener((a,b) -> { boolean prev=s.Enabled; s.Enabled=b; saveAndUpdate(); updateEnabled(prev, b); });
+        prefEnableDeleteSwipe.setOnCheckedChangeListener((a,b) -> { s.EnableDeleteSwipe=b; saveAndUpdate(); });
+
+        prefLocalCacheSize.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener()
+        {
+            @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                s.LocalCacheSize = prefLocalCacheSize.getSelectedItemPosition()>=0 ? SCNSettings.CHOOSABLE_CACHE_SIZES[prefLocalCacheSize.getSelectedItemPosition()] : 100;
+                saveAndUpdate();
+            }
+            @Override public void onNothingSelected(AdapterView<?> parent) { /* */  }
+        });
+
+        prefUpgradeAccount.setOnClickListener(a -> onUpgradeAccount());
+
+        prefMsgLowEnableSound.setOnCheckedChangeListener((a,b) -> { s.PriorityLow.EnableSound=b; saveAndUpdate(); });
+        prefMsgLowRingtone_container.setOnClickListener(a -> chooseRingtoneLow());
+        prefMsgLowRepeatSound.setOnCheckedChangeListener((a,b) -> { s.PriorityLow.RepeatSound=b; saveAndUpdate(); });
+        prefMsgLowEnableLED.setOnCheckedChangeListener((a,b) -> { s.PriorityLow.EnableLED=b; saveAndUpdate(); });
+        prefMsgLowLedColor_container.setOnClickListener(a -> chooseLEDColorLow());
+        prefMsgLowEnableVibrations.setOnCheckedChangeListener((a,b) -> { s.PriorityLow.EnableVibration=b; saveAndUpdate(); });
+        prefMsgLowForceVolume.setOnCheckedChangeListener((a,b) -> { s.PriorityLow.ForceVolume=b; saveAndUpdate(); });
+        prefMsgLowVolume.setOnSeekBarChangeListener(FI.SeekBarChanged((a,b,c) -> { if (c) { s.PriorityLow.ForceVolumeValue=b; saveAndUpdate(); updateVolume(0, b); } }));
+        prefMsgLowVolumeTest.setOnClickListener((v) -> { if (s.PriorityLow.ForceVolume) playTestSound(0, prefMsgLowVolumeTest, s.PriorityLow.SoundSource, s.PriorityLow.ForceVolumeValue); });
+
+        prefMsgNormEnableSound.setOnCheckedChangeListener((a,b) -> { s.PriorityNorm.EnableSound=b; saveAndUpdate(); });
+        prefMsgNormRingtone_container.setOnClickListener(a -> chooseRingtoneNorm());
+        prefMsgNormRepeatSound.setOnCheckedChangeListener((a,b) -> { s.PriorityNorm.RepeatSound=b; saveAndUpdate(); });
+        prefMsgNormEnableLED.setOnCheckedChangeListener((a,b) -> { s.PriorityNorm.EnableLED=b; saveAndUpdate(); });
+        prefMsgNormLedColor_container.setOnClickListener(a -> chooseLEDColorNorm());
+        prefMsgNormEnableVibrations.setOnCheckedChangeListener((a,b) -> { s.PriorityNorm.EnableVibration=b; saveAndUpdate(); });
+        prefMsgNormForceVolume.setOnCheckedChangeListener((a,b) -> { s.PriorityNorm.ForceVolume=b; saveAndUpdate(); });
+        prefMsgNormVolume.setOnSeekBarChangeListener(FI.SeekBarChanged((a,b,c) -> { if (c) { s.PriorityNorm.ForceVolumeValue=b; saveAndUpdate(); updateVolume(1, b); } }));
+        prefMsgNormVolumeTest.setOnClickListener((v) -> { if (s.PriorityNorm.ForceVolume) playTestSound(1, prefMsgNormVolumeTest, s.PriorityNorm.SoundSource, s.PriorityNorm.ForceVolumeValue); });
+
+        prefMsgHighEnableSound.setOnCheckedChangeListener((a,b) -> { s.PriorityHigh.EnableSound=b; saveAndUpdate(); });
+        prefMsgHighRingtone_container.setOnClickListener(a -> chooseRingtoneHigh());
+        prefMsgHighRepeatSound.setOnCheckedChangeListener((a,b) -> { s.PriorityHigh.RepeatSound=b; saveAndUpdate(); });
+        prefMsgHighEnableLED.setOnCheckedChangeListener((a,b) -> { s.PriorityHigh.EnableLED=b; saveAndUpdate(); });
+        prefMsgHighLedColor_container.setOnClickListener(a -> chooseLEDColorHigh());
+        prefMsgHighEnableVibrations.setOnCheckedChangeListener((a,b) -> { s.PriorityHigh.EnableVibration=b; saveAndUpdate(); });
+        prefMsgHighForceVolume.setOnCheckedChangeListener((a,b) -> { s.PriorityHigh.ForceVolume=b; saveAndUpdate(); });
+        prefMsgHighVolume.setOnSeekBarChangeListener(FI.SeekBarChanged((a,b,c) -> { if (c) { s.PriorityHigh.ForceVolumeValue=b; saveAndUpdate(); updateVolume(2, b); } }));
+        prefMsgHighVolumeTest.setOnClickListener((v) -> { if (s.PriorityHigh.ForceVolume) playTestSound(2, prefMsgHighVolumeTest, s.PriorityHigh.SoundSource, s.PriorityHigh.ForceVolumeValue); });
+    }
+
+    private void updateEnabled(boolean prev, boolean now)
+    {
+        if (!prev && now)
+        {
+            SCNApp.showToast("SimpleCloudNotifier is now enabled", Toast.LENGTH_SHORT);
+        }
+        else if (prev && !now)
+        {
+            SCNApp.showToast("SimpleCloudNotifier is now disabled\nYou won't recieve new messages.", Toast.LENGTH_LONG);
+        }
+    }
+
+    private void updateVolume(int idx, int volume)
+    {
+        if (mPlayers[idx] != null && mPlayers[idx].isPlaying())
+        {
+            AudioManager aman = (AudioManager) SCNApp.getContext().getSystemService(Context.AUDIO_SERVICE);
+            int maxVolume = aman.getStreamMaxVolume(AudioManager.STREAM_NOTIFICATION);
+            aman.setStreamVolume(AudioManager.STREAM_NOTIFICATION, (int)(maxVolume * (volume / 100.0)), 0);
+        }
+    }
+
+    private void stopSound(final int idx, final ImageView iv)
+    {
+        if (mPlayers[idx] != null && mPlayers[idx].isPlaying())
+        {
+            mPlayers[idx].stop();
+            mPlayers[idx].release();
+            iv.setImageResource(R.drawable.ic_play);
+            mPlayers[idx] = null;
+        }
+    }
+
+    private void playTestSound(final int idx, final ImageView iv, String src, int volume)
+    {
+        if (mPlayers[idx] != null && mPlayers[idx].isPlaying())
+        {
+            mPlayers[idx].stop();
+            mPlayers[idx].release();
+            iv.setImageResource(R.drawable.ic_play);
+            mPlayers[idx] = null;
+            return;
+        }
+
+        if (Str.isNullOrWhitespace(src)) return;
+        if (volume == 0) return;
+
+        Context ctxt = getContext();
+        if (ctxt == null) return;
+
+        iv.setImageResource(R.drawable.ic_pause);
+
+        AudioManager aman = (AudioManager) SCNApp.getContext().getSystemService(Context.AUDIO_SERVICE);
+        int maxVolume = aman.getStreamMaxVolume(AudioManager.STREAM_NOTIFICATION);
+        aman.setStreamVolume(AudioManager.STREAM_NOTIFICATION, (int)(maxVolume * (volume / 100.0)), 0);
+
+        MediaPlayer player = mPlayers[idx] = new MediaPlayer();
+        player.setAudioAttributes(new AudioAttributes.Builder().setLegacyStreamType(AudioManager.STREAM_NOTIFICATION).build());
+        player.setAudioStreamType(AudioManager.STREAM_NOTIFICATION);
+
+        try
+        {
+            player.setDataSource(ctxt, Uri.parse(src));
+            player.setLooping(false);
+            player.setOnCompletionListener(  mp -> SCNApp.runOnUiThread(() -> { mp.stop(); iv.setImageResource(R.drawable.ic_play); mPlayers[idx]=null; mp.release(); }));
+            player.setOnSeekCompleteListener(mp -> SCNApp.runOnUiThread(() -> { mp.stop(); iv.setImageResource(R.drawable.ic_play); mPlayers[idx]=null; mp.release(); }));
+            player.prepare();
+            player.start();
+        }
+        catch (IOException e)
+        {
+            Log.e("SFRAG:play", e.toString());
+        }
+    }
+
+    private void saveAndUpdate()
+    {
+        SCNSettings.inst().save();
+        updateUI();
+        SCNApp.getMainActivity().adpTabs.tab1.touchHelper.updateEnabled();
+    }
+
+    private void onUpgradeAccount()
+    {
+        IABService.inst().purchase(getActivity(), IABService.IAB_PRO_MODE);
+    }
+
+    public void updateProState()
+    {
+        Purchase p = IABService.inst().getPurchaseCached(IABService.IAB_PRO_MODE);
+
+        if (prefUpgradeAccount != null)      prefUpgradeAccount.setVisibility(     p != null ? View.GONE    : View.VISIBLE);
+        if (prefUpgradeAccount_info != null) prefUpgradeAccount_info.setVisibility(p != null ? View.GONE    : View.VISIBLE);
+        if (prefUpgradeAccount_msg != null)  prefUpgradeAccount_msg.setVisibility( p != null ? View.VISIBLE : View.GONE   );
+    }
+
+    private int getCacheSizeIndex(int value)
+    {
+        for (int i = 0; i < SCNSettings.CHOOSABLE_CACHE_SIZES.length; i++)
+        {
+            if (SCNSettings.CHOOSABLE_CACHE_SIZES[i] == value) return i;
+        }
+        return 2;
+    }
+
+    private void chooseRingtoneLow()
+    {
+        musicPickerSwitch = 1;
+        UltimateMusicPicker ump = new UltimateMusicPicker();
+        ump.windowTitle("Choose notification sound");
+        ump.removeSilent();
+        ump.streamType(AudioManager.STREAM_NOTIFICATION);
+        ump.ringtone();
+        ump.notification();
+        ump.alarm();
+        ump.music();
+        if (!SCNSettings.inst().PriorityLow.SoundSource.isEmpty())ump.selectUri(Uri.parse(SCNSettings.inst().PriorityLow.SoundSource));
+        ump.goWithDialog(getChildFragmentManager());
+    }
+
+    private void chooseRingtoneNorm()
+    {
+        musicPickerSwitch = 2;
+        UltimateMusicPicker ump = new UltimateMusicPicker();
+        ump.windowTitle("Choose notification sound");
+        ump.removeSilent();
+        ump.streamType(AudioManager.STREAM_NOTIFICATION);
+        ump.ringtone();
+        ump.notification();
+        ump.alarm();
+        ump.music();
+        if (!SCNSettings.inst().PriorityNorm.SoundSource.isEmpty())ump.defaultUri(Uri.parse(SCNSettings.inst().PriorityNorm.SoundSource));
+        ump.goWithDialog(getChildFragmentManager());
+    }
+
+    private void chooseRingtoneHigh()
+    {
+        musicPickerSwitch = 3;
+        UltimateMusicPicker ump = new UltimateMusicPicker();
+        ump.windowTitle("Choose notification sound");
+        ump.removeSilent();
+        ump.streamType(AudioManager.STREAM_NOTIFICATION);
+        ump.ringtone();
+        ump.notification();
+        ump.alarm();
+        ump.music();
+        if (!SCNSettings.inst().PriorityHigh.SoundSource.isEmpty())ump.defaultUri(Uri.parse(SCNSettings.inst().PriorityHigh.SoundSource));
+        ump.goWithDialog(getChildFragmentManager());
+    }
+
+    private void chooseLEDColorLow()
+    {
+        new ColorPickerPopup.Builder(getContext())
+                .initialColor(SCNSettings.inst().PriorityLow.LEDColor) // Set initial color
+                .enableBrightness(true) // Enable brightness slider or not
+                .okTitle("Choose")
+                .cancelTitle("Cancel")
+                .showIndicator(true)
+                .showValue(false)
+                .build()
+                .show(getView(), new ColorPickerPopup.ColorPickerObserver()
+                {
+                    @Override
+                    public void onColorPicked(int color) {
+                        SCNSettings.inst().PriorityLow.LEDColor = color;
+                        saveAndUpdate();
+                    }
+
+                    @Override
+                    public void onColor(int color, boolean fromUser) { }
+                });
+    }
+
+    private void chooseLEDColorNorm()
+    {
+        new ColorPickerPopup.Builder(getContext())
+                .initialColor(SCNSettings.inst().PriorityNorm.LEDColor) // Set initial color
+                .enableBrightness(true) // Enable brightness slider or not
+                .okTitle("Choose")
+                .cancelTitle("Cancel")
+                .showIndicator(true)
+                .showValue(false)
+                .build()
+                .show(getView(), new ColorPickerPopup.ColorPickerObserver()
+                {
+                    @Override
+                    public void onColorPicked(int color) {
+                        SCNSettings.inst().PriorityNorm.LEDColor = color;
+                        saveAndUpdate();
+                    }
+
+                    @Override
+                    public void onColor(int color, boolean fromUser) { }
+                });
+    }
+
+    private void chooseLEDColorHigh()
+    {
+        new ColorPickerPopup.Builder(getContext())
+                .initialColor(SCNSettings.inst().PriorityHigh.LEDColor) // Set initial color
+                .enableBrightness(true) // Enable brightness slider or not
+                .okTitle("Choose")
+                .cancelTitle("Cancel")
+                .showIndicator(true)
+                .showValue(false)
+                .build()
+                .show(getView(), new ColorPickerPopup.ColorPickerObserver()
+                {
+                    @Override
+                    public void onColorPicked(int color) {
+                        SCNSettings.inst().PriorityHigh.LEDColor = color;
+                        saveAndUpdate();
+                    }
+
+                    @Override
+                    public void onColor(int color, boolean fromUser) { }
+                });
+    }
+
+    @Override
+    public void onMusicPick(@NotNull Uri uri, @NotNull String s)
+    {
+        if (musicPickerSwitch == 1) { SCNSettings.inst().PriorityLow.SoundSource =uri.toString(); SCNSettings.inst().PriorityLow.SoundName =s; saveAndUpdate(); }
+        if (musicPickerSwitch == 2) { SCNSettings.inst().PriorityNorm.SoundSource=uri.toString(); SCNSettings.inst().PriorityNorm.SoundName=s; saveAndUpdate(); }
+        if (musicPickerSwitch == 3) { SCNSettings.inst().PriorityHigh.SoundSource=uri.toString(); SCNSettings.inst().PriorityHigh.SoundName=s; saveAndUpdate(); }
+
+        musicPickerSwitch = -1;
+    }
+
+    @Override
+    public void onPickCanceled()
+    {
+        musicPickerSwitch = -1;
+    }
+
+    public void onViewpagerHide()
+    {
+        stopSound(0, prefMsgLowVolumeTest);
+        stopSound(1, prefMsgNormVolumeTest);
+        stopSound(2, prefMsgHighVolumeTest);
+    }
+}

android/app/src/main/java/com/blackforestbytes/simplecloudnotifier/view/TabAdapter.java

@@ -0,0 +1,49 @@
+package com.blackforestbytes.simplecloudnotifier.view;
+
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentStatePagerAdapter;
+
+public class TabAdapter extends FragmentStatePagerAdapter {
+
+    public NotificationsFragment tab1 = new NotificationsFragment();
+    public AccountFragment       tab2 = new AccountFragment();
+    public SettingsFragment      tab3 = new SettingsFragment();
+
+    public TabAdapter(FragmentManager fm)
+    {
+        super(fm);
+    }
+
+    @Override
+    public Fragment getItem(int position) {
+
+        switch (position) {
+            case 0:
+                return tab1;
+            case 1:
+                return tab2;
+            case 2:
+                return tab3;
+            default:
+                return null;
+        }
+    }
+
+    @Override
+    public CharSequence getPageTitle(int position)
+    {
+        switch (position)
+        {
+            case 0:  return "Messages";
+            case 1:  return "Account";
+            case 2:  return "Settings";
+            default: return null;
+        }
+    }
+
+    @Override
+    public int getCount() {
+        return 3;
+    }
+}

android/app/src/main/res/drawable/circle.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:viewportHeight="1000"
+    android:viewportWidth="1000" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000"
+        android:pathData="M500,500m-500,0a500,500 0,1 1,1000 0a500,500 0,1 1,-1000 0"
+        android:strokeColor="#000000" android:strokeWidth="1"/>
+</vector>

android/app/src/main/res/drawable/ic_copy.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:viewportHeight="22"
+    android:viewportWidth="21" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#000000" android:fillType="evenOdd"
+        android:pathData="M14.5,0L2.5,0C1.4,0 0.5,0.9 0.5,2L0.5,16L2.5,16L2.5,2L14.5,2L14.5,0L14.5,0ZM17.5,4L6.5,4C5.4,4 4.5,4.9 4.5,6L4.5,20C4.5,21.1 5.4,22 6.5,22L17.5,22C18.6,22 19.5,21.1 19.5,20L19.5,6C19.5,4.9 18.6,4 17.5,4L17.5,4ZM17.5,20L6.5,20L6.5,6L17.5,6L17.5,20L17.5,20Z"
+        android:strokeColor="#00000000" android:strokeWidth="1"/>
+</vector>

android/app/src/main/res/drawable/ic_fuel.xml

@@ -0,0 +1,7 @@
+<vector android:height="24dp" android:viewportHeight="100"
+    android:viewportWidth="100" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillAlpha="1" android:fillColor="#000000"
+        android:fillType="nonZero"
+        android:pathData="m22.917,12.5c-2.308,0 -4.167,1.858 -4.167,4.167l0,66.667c0,2.083 2.083,4.167 4.167,4.167l37.5,0c2.083,0 4.167,-2.083 4.167,-4.167l0,-20.833 2.083,0c2.083,0 2.083,2.083 2.083,2.083l0,8.333c0,4.167 2.083,6.25 6.25,6.25 4.167,0 6.25,-2.083 6.25,-6.25 0,-4.861 0,-18.75 0,-22.917 0,-4.167 -8.333,-8.333 -8.333,-12.5l0,-12.5 -4.167,0 -4.167,-4.167 0,-4.167c0,-2.308 -1.858,-4.167 -4.167,-4.167zM27.083,20.833 L56.25,20.833 56.25,37.5 27.083,37.5zM64.583,33.333 L68.75,33.333c0,0 0,3.472 0,6.25 0,4.167 8.333,8.333 8.333,12.5l0,20.833C77.083,75 75,75 75,75c0,0 -2.083,0 -2.083,-2.083 0,0 0,-8.333 0,-10.417 0,-2.083 -2.083,-4.167 -4.167,-4.167 -1.389,0 -4.167,0 -4.167,0z"
+        android:strokeColor="#00000000" android:strokeWidth="2"/>
+</vector>

android/app/src/main/res/drawable/ic_key.xml

@@ -0,0 +1,4 @@
+<vector android:height="24dp" android:viewportHeight="48"
+    android:viewportWidth="48" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M25.3,20c-1.65,-4.66 -6.08,-8 -11.3,-8 -6.63,0 -12,5.37 -12,12s5.37,12 12,12c5.22,0 9.65,-3.34 11.3,-8h8.7v8h8v-8h4v-8h-20.7zM14,28c-2.21,0 -4,-1.79 -4,-4s1.79,-4 4,-4 4,1.79 4,4 -1.79,4 -4,4z"/>
+</vector>

android/app/src/main/res/drawable/ic_pause.xml

@@ -0,0 +1,16 @@
+<vector
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportHeight="438.536"
+    android:viewportWidth="438.536"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <path
+        android:fillColor="#FF3F51B5"
+        android:pathData="M164.453,0H18.276C13.324,0 9.041,1.807 5.425,5.424C1.808,9.04 0.001,13.322 0.001,18.271v401.991c0,4.948 1.807,9.233 5.424,12.847c3.619,3.617 7.902,5.428 12.851,5.428h146.181c4.949,0 9.231,-1.811 12.847,-5.428c3.617,-3.613 5.424,-7.898 5.424,-12.847V18.271c0,-4.952 -1.807,-9.231 -5.428,-12.847C173.685,1.807 169.402,0 164.453,0z"/>
+
+    <path
+        android:fillColor="#FF3F51B5"
+        android:pathData="M433.113,5.424C429.496,1.807 425.215,0 420.267,0H274.086c-4.949,0 -9.237,1.807 -12.847,5.424c-3.621,3.615 -5.432,7.898 -5.432,12.847v401.991c0,4.948 1.811,9.233 5.432,12.847c3.609,3.617 7.897,5.428 12.847,5.428h146.181c4.948,0 9.229,-1.811 12.847,-5.428c3.614,-3.613 5.421,-7.898 5.421,-12.847V18.271C438.534,13.319 436.73,9.04 433.113,5.424z"/>
+
+</vector>

android/app/src/main/res/drawable/ic_play.xml

@@ -0,0 +1,12 @@
+<vector
+    android:height="24dp"
+    android:viewportHeight="41.999"
+    android:viewportWidth="41.999"
+    android:width="24dp"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <path
+        android:fillColor="#FF3F51B5"
+        android:pathData="M36.068,20.176l-29,-20C6.761,-0.035 6.363,-0.057 6.035,0.114C5.706,0.287 5.5,0.627 5.5,0.999v40c0,0.372 0.206,0.713 0.535,0.886c0.146,0.076 0.306,0.114 0.465,0.114c0.199,0 0.397,-0.06 0.568,-0.177l29,-20c0.271,-0.187 0.432,-0.494 0.432,-0.823S36.338,20.363 36.068,20.176z"/>
+
+</vector>

android/app/src/main/res/drawable/ic_refresh.xml

@@ -0,0 +1,6 @@
+<vector
+    android:width="24dp" android:height="24dp"
+    android:viewportWidth="16" android:viewportHeight="16"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#231F20" android:pathData="M14,8c-0.609,0-0.898,0.43-1,0.883C12.635,10.516,11.084,13,8,13c-0.757,0-1.473-0.172-2.114-0.474L6.414,12  C6.773,11.656,7,11.445,7,11c0-0.523-0.438-1-1-1H3c-0.609,0-1,0.492-1,1v3c0,0.541,0.428,1,1,1c0.484,0,0.688-0.273,1-0.594  l0.408-0.407C5.458,14.632,6.685,15,8,15c4.99,0,7-4.75,7-5.938C15,8.336,14.469,8,14,8z M3,7.117C3.365,5.485,4.916,3,8,3  c0.757,0,1.473,0.171,2.114,0.473L9.586,4C9.227,4.344,9,4.555,9,5c0,0.523,0.438,1,1,1h3c0.609,0,1-0.492,1-1V2  c0-0.541-0.428-1-1-1c-0.484,0-0.688,0.273-1,0.594l-0.408,0.407C10.542,1.368,9.315,1,8,1C3.01,1,1,5.75,1,6.938  C1,7.664,1.531,8,2,8C2.609,8,2.898,7.57,3,7.117z"/>
+</vector>

android/app/src/main/res/drawable/ic_trash.xml

@@ -0,0 +1,16 @@
+<vector
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportHeight="53"
+    android:viewportWidth="53"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M42.943,6H33.5V3c0,-1.654 -1.346,-3 -3,-3h-8c-1.654,0 -3,1.346 -3,3v3h-9.443C8.096,6 6.5,7.596 6.5,9.557V14h2h36h2V9.557C46.5,7.596 44.904,6 42.943,6zM31.5,6h-10V3c0,-0.552 0.449,-1 1,-1h8c0.551,0 1,0.448 1,1V6z"/>
+
+    <path
+        android:fillColor="#FFFFFF"
+        android:pathData="M8.5,49.271C8.5,51.327 10.173,53 12.229,53h28.541c2.057,0 3.729,-1.673 3.729,-3.729V16h-36V49.271z"/>
+
+</vector>

android/app/src/main/res/drawable/ic_user.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M7,8a5,6 0,1 0,10 0a5,6 0,1 0,-10 0z"/>
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M21.8,19.1c-0.9,-1.8 -2.6,-3.3 -4.8,-4.2c-0.6,-0.2 -1.3,-0.2 -1.8,0.1c-1,0.6 -2,0.9 -3.2,0.9s-2.2,-0.3 -3.2,-0.9C8.3,14.8 7.6,14.7 7,15c-2.2,0.9 -3.9,2.4 -4.8,4.2C1.5,20.5 2.6,22 4.1,22h15.8C21.4,22 22.5,20.5 21.8,19.1z"/>
+</vector>

android/app/src/main/res/drawable/ic_volume.xml

@@ -0,0 +1,12 @@
+<vector
+    android:height="24dp"
+    android:viewportHeight="459"
+    android:viewportWidth="459"
+    android:width="24dp"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <path
+        android:fillColor="#FF757575"
+        android:pathData="M0,153v153h102l127.5,127.5v-408L102,153H0zM344.25,229.5c0,-45.9 -25.5,-84.15 -63.75,-102v204C318.75,313.65 344.25,275.4 344.25,229.5zM280.5,5.1v53.55C354.45,81.6 408,147.899 408,229.5S354.45,377.4 280.5,400.35V453.9C382.5,430.949 459,339.15 459,229.5C459,119.85 382.5,28.049 280.5,5.1z"/>
+
+</vector>

android/app/src/main/res/drawable/priority_high.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M21.4,10.6l-8,-8c-0.8,-0.8 -2,-0.8 -2.8,0l-8,8c-0.8,0.8 -0.8,2 0,2.8l8,8c0.8,0.8 2,0.8 2.8,0l8,-8C22.2,12.6 22.2,11.4 21.4,10.6zM13,17h-2v-2h2V17zM13,13h-2V7h2V13z"/>
+</vector>

android/app/src/main/res/drawable/priority_low.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FF000000"
+      android:pathData="M21.4,10.6l-8,-8c-0.8,-0.8 -2,-0.8 -2.8,0l-8,8c-0.8,0.8 -0.8,2 0,2.8l8,8c0.8,0.8 2,0.8 2.8,0l8,-8C22.2,12.6 22.2,11.4 21.4,10.6zM12,17l-3,-3h2V7h2v7h2L12,17z"/>
+</vector>

android/app/src/main/res/drawable/qr_default.xml

@@ -0,0 +1,422 @@
+<vector
+    android:width="24dp" android:height="24dp"
+    android:viewportWidth="296" android:viewportHeight="296"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <path android:fillColor="#000000" android:pathData="M32,32h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,40h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,48h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,56h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,64h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,72h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,80h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,96h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,104h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,128h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,136h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,152h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,208h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,216h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,224h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,232h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,240h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,248h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M32,256h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,32h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,80h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,96h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,104h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,112h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,120h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,136h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,160h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,184h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,192h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,208h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M40,256h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M48,32h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M48,48h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M48,56h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M48,64h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M48,80h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M48,120h8v8h-8z"/>
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+    <path android:fillColor="#000000" android:pathData="M240,208h8v8h-8z"/>
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+    <path android:fillColor="#000000" android:pathData="M256,40h8v8h-8z"/>
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+    <path android:fillColor="#000000" android:pathData="M256,128h8v8h-8z"/>
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+    <path android:fillColor="#000000" android:pathData="M256,176h8v8h-8z"/>
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+    <path android:fillColor="#000000" android:pathData="M256,224h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M256,232h8v8h-8z"/>
+    <path android:fillColor="#000000" android:pathData="M256,248h8v8h-8z"/>
+</vector>

android/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    android:id="@+id/layoutRoot"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:showIn="@layout/activity_main">
+
+    <androidx.appcompat.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:background="?attr/colorPrimary"
+        android:elevation="6dp"
+        android:minHeight="?attr/actionBarSize"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/tab_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/toolbar"
+        android:background="?attr/colorPrimary"
+        android:elevation="6dp"
+        android:minHeight="?attr/actionBarSize"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
+
+    <androidx.viewpager.widget.ViewPager
+        android:id="@+id/pager"
+        android:layout_width="match_parent"
+        android:layout_height="fill_parent"
+        android:layout_below="@id/tab_layout"/>
+
+</RelativeLayout>

android/app/src/main/res/layout/fragment_account.xml

@@ -0,0 +1,239 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".view.AccountFragment">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <ImageView
+            android:id="@+id/ic_img_user"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="16dp"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="92dp"
+            android:contentDescription="@string/ic_img_user_desc"
+            android:src="@drawable/ic_user"
+            android:tint="#888"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/lblUserID"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:layout_marginStart="8dp"
+            android:text="@string/str_userid"
+            app:layout_constraintEnd_toStartOf="@+id/btnRefresh"
+            app:layout_constraintStart_toEndOf="@+id/ic_img_user"
+            app:layout_constraintTop_toTopOf="@+id/ic_img_user" />
+
+        <HorizontalScrollView
+            android:id="@+id/svUserID"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="4dp"
+            app:layout_constraintEnd_toStartOf="@+id/btnCopyUserID"
+            app:layout_constraintStart_toEndOf="@+id/ic_img_user"
+            app:layout_constraintTop_toBottomOf="@+id/lblUserID">
+
+            <TextView
+                android:id="@+id/tvUserID"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:layout_editor_absoluteX="8dp" />
+        </HorizontalScrollView>
+
+        <ImageButton
+            android:id="@+id/btnCopyUserID"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:layout_marginEnd="8dp"
+            android:background="@null"
+            android:contentDescription="@string/str_copy"
+            android:padding="2dp"
+            android:scaleType="fitXY"
+            android:src="?android:attr/actionModeCopyDrawable"
+            app:layout_constraintBottom_toBottomOf="@+id/svUserID"
+            app:layout_constraintEnd_toStartOf="@+id/btnRefresh"
+            app:layout_constraintTop_toTopOf="@+id/svUserID" />
+
+        <ImageButton
+            android:id="@+id/btnRefresh"
+            android:layout_width="42dp"
+            android:layout_height="0dp"
+            android:layout_alignParentEnd="true"
+            android:layout_alignParentTop="true"
+            android:layout_marginEnd="16dp"
+            android:background="@null"
+            android:contentDescription="@string/str_reload"
+            android:padding="2dp"
+            android:src="@drawable/ic_refresh"
+            android:tint="#666"
+            app:layout_constraintBottom_toBottomOf="@+id/btnCopyUserID"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="@+id/lblUserID" />
+
+        <ImageView
+            android:id="@+id/ic_img_key"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="16dp"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="92dp"
+            android:contentDescription="@string/ic_img_key_desc"
+            android:src="@drawable/ic_key"
+            android:tint="#888"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ic_img_user" />
+
+        <TextView
+            android:id="@+id/lblUserKey"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:layout_marginStart="8dp"
+            android:text="@string/str_userkey"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ic_img_key"
+            app:layout_constraintTop_toTopOf="@+id/ic_img_key" />
+
+        <HorizontalScrollView
+            android:id="@+id/svUserKey"
+            android:scrollbars="none"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="4dp"
+            app:layout_constraintEnd_toStartOf="@+id/btnCopyUserKey"
+            app:layout_constraintStart_toEndOf="@+id/ic_img_key"
+            app:layout_constraintTop_toBottomOf="@+id/lblUserKey">
+
+            <TextView
+                android:id="@+id/tvUserKey"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:layout_editor_absoluteX="8dp" />
+        </HorizontalScrollView>
+
+        <ImageButton
+            android:id="@+id/btnCopyUserKey"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:layout_marginEnd="8dp"
+            android:background="@null"
+            android:contentDescription="@string/str_copy"
+            android:padding="2dp"
+            android:scaleType="fitXY"
+            android:src="?android:attr/actionModeCopyDrawable"
+            app:layout_constraintBottom_toBottomOf="@+id/svUserKey"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="@+id/svUserKey" />
+
+        <ImageView
+            android:id="@+id/ic_img_quota"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:layout_margin="16dp"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="92dp"
+            android:contentDescription="@string/ic_img_fuel_desc"
+            android:src="@drawable/ic_fuel"
+            android:tint="#888"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/ic_img_key" />
+
+        <TextView
+            android:id="@+id/lblQuota"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:layout_marginStart="8dp"
+            android:text="@string/str_quota"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ic_img_quota"
+            app:layout_constraintTop_toTopOf="@+id/ic_img_quota" />
+
+        <HorizontalScrollView
+            android:id="@+id/svQuota"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:layout_marginStart="8dp"
+            android:layout_marginTop="4dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ic_img_quota"
+            app:layout_constraintTop_toBottomOf="@+id/lblQuota">
+
+            <TextView
+                android:id="@+id/tvQuota"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:layout_editor_absoluteX="8dp" />
+        </HorizontalScrollView>
+
+
+        <ImageButton
+            android:id="@+id/btnQR"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_marginTop="8dp"
+            android:background="@null"
+            android:contentDescription="@string/str_qr_code"
+            android:scaleType="fitCenter"
+            android:src="@drawable/qr_default"
+            app:layout_constraintBottom_toTopOf="@+id/btnAccountReset"
+            app:layout_constraintTop_toBottomOf="@+id/ic_img_quota" />
+
+        <Button
+            android:id="@+id/btnAccountReset"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:text="@string/str_reset_account"
+            app:layout_constraintBottom_toTopOf="@+id/btnClearLocalStorage" />
+
+        <Button
+            android:id="@+id/btnClearLocalStorage"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Clear Messages"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            tools:layout_editor_absoluteY="352dp" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <RelativeLayout
+        android:id="@+id/loadingPanel"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="#DD000000"
+        android:clickable="true"
+        android:focusable="true"
+        android:gravity="center"
+        android:visibility="gone">
+
+        <ProgressBar
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:indeterminate="true"
+            android:indeterminateTint="#FFF"
+            tools:ignore="UnusedAttribute" />
+    </RelativeLayout>
+
+</RelativeLayout>

android/app/src/main/res/layout/fragment_notifications.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:ads="http://schemas.android.com/apk/res-auto"
+    tools:context=".view.NotificationsFragment">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <RelativeLayout
+            android:id="@+id/pnlMessages"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toTopOf="@+id/adBanner"
+            android:layout_width="match_parent"
+            android:layout_height="0dp">
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/rvMessages"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:clipToPadding="false"
+                android:scrollbars="vertical" />
+
+            <TextView
+                android:id="@+id/tvNoElements"
+                android:textAlignment="center"
+                android:gravity="center"
+                android:text="@string/no_notifications"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent" />
+
+        </RelativeLayout>
+
+
+        <com.google.android.gms.ads.doubleclick.PublisherAdView
+            android:id="@+id/adBanner"
+            app:layout_constraintTop_toBottomOf="@+id/pnlMessages"
+            app:layout_constraintBottom_toBottomOf="parent"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            ads:adSize="SMART_BANNER"
+            ads:adUnitId="ca-app-pub-3320562328966175/5524654300" />
+
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</FrameLayout>

android/app/src/main/res/layout/fragment_settings.xml

@@ -0,0 +1,768 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<ScrollView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".view.SettingsFragment">
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <androidx.cardview.widget.CardView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="12dp">
+
+            <LinearLayout
+                android:orientation="vertical"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <TextView
+                    android:background="@color/colorHeader"
+                    android:textColor="@color/colorHeaderForeground"
+                    android:textSize="16sp"
+                    android:padding="4dp"
+                    android:text="@string/str_common_settings"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" />
+
+                <Switch
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:id="@+id/prefAppEnabled"
+                    android:text="@string/str_enabled"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:minHeight="48dp">
+
+                    <TextView
+                        android:id="@+id/tvLocalCacheSize"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:text="@string/str_localcachesize"
+                        android:textColor="#000"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toStartOf="@+id/prefLocalCacheSize"
+                        app:layout_constraintHorizontal_bias="0"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <Spinner
+                        android:minWidth="64dp"
+                        android:id="@+id/prefLocalCacheSize"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:spinnerMode="dialog"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:id="@+id/prefEnableDeleteSwipe"
+                    android:text="@string/str_deleteswipe"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <LinearLayout
+                    android:orientation="vertical"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center|center"
+                    android:minHeight="48dp">
+
+                    <Button
+                        android:id="@+id/prefUpgradeAccount"
+                        android:text="@string/str_upgrade_account"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content" />
+
+                    <TextView
+                        android:id="@+id/prefUpgradeAccount_info"
+                        android:textAlignment="center"
+                        android:text="@string/str_promode_info"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content" />
+
+                    <TextView
+                        android:id="@+id/prefUpgradeAccount2"
+                        android:textColor="#FF4D00"
+                        android:textStyle="bold"
+                        android:textAlignment="center"
+                        android:text="@string/str_promode"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content" />
+
+                </LinearLayout>
+
+            </LinearLayout>
+
+        </androidx.cardview.widget.CardView>
+
+        <androidx.cardview.widget.CardView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="12dp">
+
+            <LinearLayout
+                android:orientation="vertical"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <TextView
+                    android:background="@color/colorHeader"
+                    android:textColor="@color/colorHeaderForeground"
+                    android:textSize="16sp"
+                    android:padding="4dp"
+                    android:text="@string/str_header_prio0"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" />
+
+                <Switch
+                    android:id="@+id/prefMsgLowEnableSound"
+                    android:text="@string/str_msg_enablesound"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"/>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <LinearLayout
+                    android:id="@+id/prefMsgLowRingtone_container"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp"
+                    android:gravity="center">
+
+                    <TextView
+                        android:id="@+id/tvMsgLowRingtone"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:text="@string/str_notificationsound"
+                        android:textColor="#000" />
+
+                    <TextView
+                        android:id="@+id/prefMsgLowRingtone_value"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:minWidth="64dp"
+                        android:spinnerMode="dialog"
+                        android:text="Whatever"
+                        tools:ignore="HardcodedText" />
+
+                </LinearLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgLowRepeatSound"
+                    android:text="@string/str_repeatnotificationsound"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgLowForceVolume"
+                    android:text="@string/str_forcevolume"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:columnCount="3"
+                    android:orientation="horizontal"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp">
+
+                    <ImageView
+                        android:id="@+id/icnLowVolume"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:contentDescription="@string/volume_icon"
+                        android:src="@drawable/ic_volume"
+                        app:layout_constraintStart_toStartOf="parent" />
+
+                    <SeekBar
+                        android:id="@+id/prefMsgLowVolume"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_marginStart="8dp"
+                        android:layout_marginEnd="8dp"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toStartOf="@+id/btnLowVolumeTest"
+                        app:layout_constraintHorizontal_bias="0.5"
+                        app:layout_constraintStart_toEndOf="@+id/icnLowVolume"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <ImageView
+                        android:id="@+id/btnLowVolumeTest"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:src="@drawable/ic_play"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        android:contentDescription="@string/play_test_sound" />
+
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgLowEnableLED"
+                    android:text="@string/str_enable_led"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:id="@+id/prefMsgLowLedColor_container"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:minHeight="48dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/str_ledcolor"
+                        android:textColor="#000"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toStartOf="@+id/prefMsgLowLedColor_value"
+                        app:layout_constraintHorizontal_bias="0"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <ImageView
+                        android:src="@drawable/circle"
+                        android:layout_marginEnd="4dp"
+                        android:id="@+id/prefMsgLowLedColor_value"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:spinnerMode="dialog"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintTop_toTopOf="parent"
+                        tools:ignore="ContentDescription" />
+
+
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgLowEnableVibrations"
+                    android:text="@string/str_enable_vibration"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+
+            </LinearLayout>
+
+        </androidx.cardview.widget.CardView>
+
+        <androidx.cardview.widget.CardView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="12dp">
+
+            <LinearLayout
+                android:orientation="vertical"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <TextView
+                    android:background="@color/colorHeader"
+                    android:textColor="@color/colorHeaderForeground"
+                    android:textSize="16sp"
+                    android:padding="4dp"
+                    android:text="@string/str_header_prio1"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" />
+
+                <Switch
+                    android:id="@+id/prefMsgNormEnableSound"
+                    android:text="@string/str_msg_enablesound"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <LinearLayout
+                    android:id="@+id/prefMsgNormRingtone_container"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp"
+                    android:gravity="center">
+
+                    <TextView
+                        android:id="@+id/tvMsgNormRingtone"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:text="@string/str_notificationsound"
+                        android:textColor="#000" />
+
+                    <TextView
+                        android:id="@+id/prefMsgNormRingtone_value"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:minWidth="64dp"
+                        android:spinnerMode="dialog"
+                        android:text="Whatever"
+                        tools:ignore="HardcodedText" />
+                </LinearLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgNormForceVolume"
+                    android:text="@string/str_forcevolume"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:columnCount="3"
+                    android:orientation="horizontal"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp">
+
+                    <ImageView
+                        android:id="@+id/icnNormVolume"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:contentDescription="@string/volume_icon"
+                        android:src="@drawable/ic_volume"
+                        app:layout_constraintStart_toStartOf="parent" />
+
+                    <SeekBar
+                        android:id="@+id/prefMsgNormVolume"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_marginStart="8dp"
+                        android:layout_marginEnd="8dp"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toStartOf="@+id/btnNormVolumeTest"
+                        app:layout_constraintHorizontal_bias="0.5"
+                        app:layout_constraintStart_toEndOf="@+id/icnNormVolume"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <ImageView
+                        android:id="@+id/btnNormVolumeTest"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:src="@drawable/ic_play"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        android:contentDescription="@string/play_test_sound" />
+
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgNormRepeatSound"
+                    android:text="@string/str_repeatnotificationsound"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgNormEnableLED"
+                    android:text="@string/str_enable_led"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:id="@+id/prefMsgNormLedColor_container"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:minHeight="48dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/str_ledcolor"
+                        android:textColor="#000"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toStartOf="@+id/prefMsgNormLedColor_value"
+                        app:layout_constraintHorizontal_bias="0"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <ImageView
+                        android:src="@drawable/circle"
+                        android:layout_marginEnd="4dp"
+                        android:id="@+id/prefMsgNormLedColor_value"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:spinnerMode="dialog"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintTop_toTopOf="parent"
+                        tools:ignore="ContentDescription" />
+
+
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgNormEnableVibrations"
+                    android:text="@string/str_enable_vibration"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+            </LinearLayout>
+
+        </androidx.cardview.widget.CardView>
+
+        <androidx.cardview.widget.CardView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="12dp">
+
+            <LinearLayout
+                android:orientation="vertical"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <TextView
+                    android:background="@color/colorHeader"
+                    android:textColor="@color/colorHeaderForeground"
+                    android:textSize="16sp"
+                    android:padding="4dp"
+                    android:text="@string/str_header_prio2"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content" />
+
+                <Switch
+                    android:id="@+id/prefMsgHighEnableSound"
+                    android:text="@string/str_msg_enablesound"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <LinearLayout
+                    android:id="@+id/prefMsgHighRingtone_container"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp"
+                    android:orientation="vertical"
+                    android:gravity="center"
+                    app:layout_constraintBottom_toBottomOf="parent"
+                    app:layout_constraintTop_toTopOf="parent">
+
+                    <TextView
+                        android:id="@+id/tvMsgHighRingtone"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:text="@string/str_notificationsound"
+                        android:textColor="#000" />
+
+                    <TextView
+                        android:id="@+id/prefMsgHighRingtone_value"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:minWidth="64dp"
+                        android:spinnerMode="dialog"
+                        android:text="Whatever"
+                        tools:ignore="HardcodedText" />
+                </LinearLayout>
+
+                <Switch
+                    android:id="@+id/prefMsgHighForceVolume"
+                    android:text="@string/str_forcevolume"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:columnCount="3"
+                    android:orientation="horizontal"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp">
+
+                    <ImageView
+                        android:id="@+id/icnHighVolume"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:contentDescription="@string/volume_icon"
+                        android:src="@drawable/ic_volume"
+                        app:layout_constraintStart_toStartOf="parent" />
+
+                    <SeekBar
+                        android:id="@+id/prefMsgHighVolume"
+                        android:layout_width="0dp"
+                        android:layout_height="match_parent"
+                        android:layout_marginStart="8dp"
+                        android:layout_marginEnd="8dp"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toStartOf="@+id/btnHighVolumeTest"
+                        app:layout_constraintHorizontal_bias="0.5"
+                        app:layout_constraintStart_toEndOf="@+id/icnHighVolume"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <ImageView
+                        android:id="@+id/btnHighVolumeTest"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:src="@drawable/ic_play"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        android:contentDescription="@string/play_test_sound" />
+
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgHighRepeatSound"
+                    android:text="@string/str_repeatnotificationsound"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgHighEnableLED"
+                    android:text="@string/str_enable_led"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <androidx.constraintlayout.widget.ConstraintLayout
+                    android:id="@+id/prefMsgHighLedColor_container"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:minHeight="48dp">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/str_ledcolor"
+                        android:textColor="#000"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toStartOf="@+id/prefMsgHighLedColor_value"
+                        app:layout_constraintHorizontal_bias="0"
+                        app:layout_constraintStart_toStartOf="parent"
+                        app:layout_constraintTop_toTopOf="parent" />
+
+                    <ImageView
+                        android:src="@drawable/circle"
+                        android:layout_marginEnd="4dp"
+                        android:id="@+id/prefMsgHighLedColor_value"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:spinnerMode="dialog"
+                        app:layout_constraintBottom_toBottomOf="parent"
+                        app:layout_constraintEnd_toEndOf="parent"
+                        app:layout_constraintTop_toTopOf="parent"
+                        tools:ignore="ContentDescription" />
+
+
+                </androidx.constraintlayout.widget.ConstraintLayout>
+
+                <View
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginBottom="2dp"
+                    android:layout_marginTop="2dp"
+                    android:background="#c0c0c0"/>
+
+                <Switch
+                    android:id="@+id/prefMsgHighEnableVibrations"
+                    android:text="@string/str_enable_vibration"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="4dp"
+                    android:layout_marginEnd="4dp"
+                    android:minHeight="48dp" />
+
+            </LinearLayout>
+
+        </androidx.cardview.widget.CardView>
+
+    </LinearLayout>
+
+</ScrollView>

android/app/src/main/res/layout/message_card.xml

@@ -0,0 +1,117 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:card_view="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <RelativeLayout
+        android:id="@+id/layoutBack"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_margin="@dimen/card_margin"
+        android:background="@color/bg_row_background">
+
+        <ImageView
+            android:id="@+id/delete_icon"
+            android:layout_width="@dimen/ic_delete"
+            android:layout_height="@dimen/ic_delete"
+            android:layout_alignParentRight="true"
+            android:layout_centerVertical="true"
+            android:layout_marginRight="@dimen/padd_10"
+            android:src="@drawable/ic_trash"
+            android:contentDescription="@string/delete" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_marginRight="@dimen/padd_10"
+            android:layout_toLeftOf="@id/delete_icon"
+            android:text="@string/delete"
+            android:textColor="#fff"
+            android:textSize="13dp" />
+
+    </RelativeLayout>
+
+    <RelativeLayout
+        android:id="@+id/layoutFront"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.cardview.widget.CardView
+            android:id="@+id/card_view"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_margin="@dimen/card_margin"
+            android:elevation="3dp"
+            card_view:cardCornerRadius="@dimen/card_album_radius">
+
+
+            <androidx.constraintlayout.widget.ConstraintLayout
+                android:background="#FFFFFFFF"
+                android:layout_margin="3dp"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <TextView
+                    android:id="@+id/tvTimestamp"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    app:layout_constraintTop_toTopOf="parent"
+                    app:layout_constraintRight_toRightOf="parent"
+                    android:textSize="12sp"
+                    android:textStyle="italic"
+
+                    android:text="2018-09-11 20:22:32" />
+
+                <TextView
+                    android:id="@+id/tvTitle"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    app:layout_constraintTop_toTopOf="parent"
+                    app:layout_constraintLeft_toLeftOf="parent"
+                    app:layout_constraintRight_toLeftOf="@+id/tvTimestamp"
+                    android:layout_marginEnd="4sp"
+                    android:textSize="16sp"
+                    android:textColor="@color/colorBlack"
+                    android:textStyle="bold"
+                    android:ellipsize="none"
+                    android:maxLines="6"
+
+                    android:text="Message from me"/>
+
+                <TextView
+                    android:id="@+id/tvMessage"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    app:layout_constraintTop_toBottomOf="@+id/tvTitle"
+                    app:layout_constraintRight_toLeftOf="@+id/ivPriority"
+                    app:layout_constraintLeft_toLeftOf="parent"
+                    android:layout_margin="4sp"
+                    android:ellipsize="end"
+                    android:maxLines="6"
+                    android:scrollHorizontally="false"
+
+                    android:text="asdasd asdasd asdasd a" />
+
+                <ImageView
+                    android:id="@+id/ivPriority"
+                    android:tint="#BBB"
+                    android:visibility="gone"
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    app:layout_constraintTop_toBottomOf="@+id/tvTimestamp"
+                    app:layout_constraintBottom_toBottomOf="parent"
+                    app:layout_constraintRight_toRightOf="parent"
+                    android:layout_margin="4sp"
+                    android:paddingTop="3dp"
+                    android:contentDescription="@string/desc_priority_icon" />
+
+            </androidx.constraintlayout.widget.ConstraintLayout>
+
+        </androidx.cardview.widget.CardView>
+
+    </RelativeLayout>
+
+</FrameLayout>