gradle works again

android/build.gradle

@@ -1,6 +1,6 @@
 android {
-    buildToolsVersion '26.0.2'
-    compileSdkVersion 24
+    buildToolsVersion "23.0.1"
+    compileSdkVersion 20
     sourceSets {
         main {
             manifest.srcFile 'AndroidManifest.xml'
@@ -14,21 +14,41 @@ android {
 
         instrumentTest.setRoot('tests')
     }
+    packagingOptions {
+        exclude 'META-INF/robovm/ios/robovm.xml'
+    }
+    defaultConfig {
+        applicationId "de.samdev.colorrunner"
+        minSdkVersion 9
+        targetSdkVersion 20
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
 }
 
 
 // called every time gradle gets executed, takes the native dependencies of
 // the natives configuration, and extracts them to the proper libs/ folders
 // so they get packed with the APK.
-task copyAndroidNatives() {
+task copyAndroidNatives() { 
     file("libs/armeabi/").mkdirs();
     file("libs/armeabi-v7a/").mkdirs();
+    file("libs/arm64-v8a/").mkdirs();
+    file("libs/x86_64/").mkdirs();
     file("libs/x86/").mkdirs();
 
     configurations.natives.files.each { jar ->
         def outputDir = null
-        if(jar.name.endsWith("natives-armeabi-v7a.jar")) outputDir = file("libs/armeabi-v7a")
+        if(jar.name.endsWith("natives-arm64-v8a.jar")) outputDir = file("libs/arm64-v8a")
+        if(jar.name.endsWith("natives-armeabi-v7a.jar")) outputDir = file("libs/armeabi-v7a")        
         if(jar.name.endsWith("natives-armeabi.jar")) outputDir = file("libs/armeabi")
+        if(jar.name.endsWith("natives-x86_64.jar")) outputDir = file("libs/x86_64")
         if(jar.name.endsWith("natives-x86.jar")) outputDir = file("libs/x86")
         if(outputDir != null) {
             copy {
@@ -59,16 +79,45 @@ task run(type: Exec) {
     }
 
     def adb = path + "/platform-tools/adb"
-    commandLine "$adb", 'shell', 'am', 'start', '-n', 'de.samdev.colorrunner.android/de.samdev.colorrunner.android.AndroidLauncher'
+    commandLine "$adb", 'shell', 'am', 'start', '-n', 'de.samdev.colorrunner/de.samdev.colorrunner.AndroidLauncher'
 }
 
 // sets up the Android Eclipse project, using the old Ant based build.
+eclipse {
+    // need to specify Java source sets explicitly, SpringSource Gradle Eclipse plugin
+    // ignores any nodes added in classpath.file.withXml
+    sourceSets {
+        main {
+            java.srcDirs "src", 'gen'
+        }
+    }
+
+    jdt {
+        sourceCompatibility = 1.6
+        targetCompatibility = 1.6
+    }
+
+    classpath {
+        plusConfigurations += [ project.configurations.compile ]        
+        containers 'com.android.ide.eclipse.adt.ANDROID_FRAMEWORK', 'com.android.ide.eclipse.adt.LIBRARIES'       
+    }
+
+    project {
+        name = appName + "-android"
+        natures 'com.android.ide.eclipse.adt.AndroidNature'
+        buildCommands.clear();
+        buildCommand "com.android.ide.eclipse.adt.ResourceManagerBuilder"
+        buildCommand "com.android.ide.eclipse.adt.PreCompilerBuilder"
+        buildCommand "org.eclipse.jdt.core.javabuilder"
+        buildCommand "com.android.ide.eclipse.adt.ApkBuilder"
+    }
+}
 
 // sets up the Android Idea project, using the old Ant based build.
 idea {
     module {
         sourceDirs += file("src");
-        scopes = [ COMPILE: [plus:[project.configurations.compile]]]
+        scopes = [ COMPILE: [plus:[project.configurations.compile]]]        
 
         iml {
             withXml {