basic setup (layout + icons)
This commit is contained in:
115
flutter/lib/bottom_fab/anchored_overlay.dart
Normal file
115
flutter/lib/bottom_fab/anchored_overlay.dart
Normal file
@@ -0,0 +1,115 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class AnchoredOverlay extends StatelessWidget {
|
||||
final bool showOverlay;
|
||||
final Widget Function(BuildContext, Offset anchor) overlayBuilder;
|
||||
final Widget child;
|
||||
|
||||
const AnchoredOverlay({
|
||||
super.key,
|
||||
required this.showOverlay,
|
||||
required this.overlayBuilder,
|
||||
required this.child,
|
||||
});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return LayoutBuilder(builder: (BuildContext context, BoxConstraints constraints) {
|
||||
return OverlayBuilder(
|
||||
showOverlay: showOverlay,
|
||||
overlayBuilder: (BuildContext overlayContext) {
|
||||
RenderBox box = context.findRenderObject() as RenderBox;
|
||||
final center = box.size.center(box.localToGlobal(const Offset(0.0, 0.0)));
|
||||
|
||||
return overlayBuilder(overlayContext, center);
|
||||
},
|
||||
child: child,
|
||||
);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
class OverlayBuilder extends StatefulWidget {
|
||||
final bool showOverlay;
|
||||
final Widget Function(BuildContext) overlayBuilder;
|
||||
final Widget child;
|
||||
|
||||
const OverlayBuilder({
|
||||
super.key,
|
||||
this.showOverlay = false,
|
||||
required this.overlayBuilder,
|
||||
required this.child,
|
||||
});
|
||||
|
||||
@override
|
||||
State<OverlayBuilder> createState() => _OverlayBuilderState();
|
||||
}
|
||||
|
||||
class _OverlayBuilderState extends State<OverlayBuilder> {
|
||||
OverlayEntry? overlayEntry;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
|
||||
if (widget.showOverlay) {
|
||||
WidgetsBinding.instance.addPostFrameCallback((_) => showOverlay());
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void didUpdateWidget(OverlayBuilder oldWidget) {
|
||||
super.didUpdateWidget(oldWidget);
|
||||
WidgetsBinding.instance.addPostFrameCallback((_) => syncWidgetAndOverlay());
|
||||
}
|
||||
|
||||
@override
|
||||
void reassemble() {
|
||||
super.reassemble();
|
||||
WidgetsBinding.instance.addPostFrameCallback((_) => syncWidgetAndOverlay());
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
if (isShowingOverlay()) {
|
||||
hideOverlay();
|
||||
}
|
||||
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
bool isShowingOverlay() => overlayEntry != null;
|
||||
|
||||
void showOverlay() {
|
||||
overlayEntry = OverlayEntry(
|
||||
builder: widget.overlayBuilder,
|
||||
);
|
||||
addToOverlay(overlayEntry!);
|
||||
}
|
||||
|
||||
void addToOverlay(OverlayEntry entry) async {
|
||||
print('addToOverlay');
|
||||
Overlay.of(context).insert(entry);
|
||||
}
|
||||
|
||||
void hideOverlay() {
|
||||
print('hideOverlay');
|
||||
if (overlayEntry != null) {
|
||||
overlayEntry!.remove();
|
||||
overlayEntry = null;
|
||||
}
|
||||
}
|
||||
|
||||
void syncWidgetAndOverlay() {
|
||||
if (isShowingOverlay() && !widget.showOverlay) {
|
||||
hideOverlay();
|
||||
} else if (!isShowingOverlay() && widget.showOverlay) {
|
||||
showOverlay();
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return widget.child;
|
||||
}
|
||||
}
|
||||
20
flutter/lib/bottom_fab/center_about.dart
Normal file
20
flutter/lib/bottom_fab/center_about.dart
Normal file
@@ -0,0 +1,20 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class CenterAbout extends StatelessWidget {
|
||||
final Offset position;
|
||||
final Widget child;
|
||||
|
||||
const CenterAbout({super.key, required this.position, required this.child});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Positioned(
|
||||
top: position.dy,
|
||||
left: position.dx,
|
||||
child: FractionalTranslation(
|
||||
translation: const Offset(-0.5, -0.5),
|
||||
child: child,
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
115
flutter/lib/bottom_fab/fab_bottom_app_bar.dart
Normal file
115
flutter/lib/bottom_fab/fab_bottom_app_bar.dart
Normal file
@@ -0,0 +1,115 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class FABBottomAppBarItem {
|
||||
FABBottomAppBarItem({required this.iconData, required this.text});
|
||||
IconData iconData;
|
||||
String text;
|
||||
}
|
||||
|
||||
class FABBottomAppBar extends StatefulWidget {
|
||||
FABBottomAppBar({
|
||||
super.key,
|
||||
required this.items,
|
||||
this.centerItemText,
|
||||
this.height = 60.0,
|
||||
this.iconSize = 24.0,
|
||||
this.backgroundColor,
|
||||
this.color,
|
||||
this.selectedColor,
|
||||
this.notchedShape,
|
||||
this.onTabSelected,
|
||||
}) {
|
||||
assert(items.length == 2 || items.length == 4);
|
||||
}
|
||||
|
||||
final List<FABBottomAppBarItem> items;
|
||||
final String? centerItemText;
|
||||
final double height;
|
||||
final double iconSize;
|
||||
final Color? backgroundColor;
|
||||
final Color? color;
|
||||
final Color? selectedColor;
|
||||
final NotchedShape? notchedShape;
|
||||
final ValueChanged<int>? onTabSelected;
|
||||
|
||||
@override
|
||||
State<StatefulWidget> createState() => FABBottomAppBarState();
|
||||
}
|
||||
|
||||
class FABBottomAppBarState extends State<FABBottomAppBar> {
|
||||
int _selectedIndex = 0;
|
||||
|
||||
_updateIndex(int index) {
|
||||
if (widget.onTabSelected != null) widget.onTabSelected!(index);
|
||||
setState(() {
|
||||
_selectedIndex = index;
|
||||
});
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
List<Widget> items = List.generate(widget.items.length, (int index) {
|
||||
return _buildTabItem(
|
||||
item: widget.items[index],
|
||||
index: index,
|
||||
onPressed: _updateIndex,
|
||||
);
|
||||
});
|
||||
items.insert(items.length >> 1, _buildMiddleTabItem());
|
||||
|
||||
return BottomAppBar(
|
||||
shape: widget.notchedShape,
|
||||
color: widget.backgroundColor,
|
||||
child: Row(
|
||||
mainAxisSize: MainAxisSize.max,
|
||||
mainAxisAlignment: MainAxisAlignment.spaceAround,
|
||||
children: items,
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildMiddleTabItem() {
|
||||
return Expanded(
|
||||
child: SizedBox(
|
||||
height: widget.height,
|
||||
child: Column(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: <Widget>[
|
||||
SizedBox(height: widget.iconSize),
|
||||
Text(
|
||||
widget.centerItemText ?? '',
|
||||
style: TextStyle(color: widget.color),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildTabItem({required FABBottomAppBarItem item, required int index, required ValueChanged<int> onPressed}) {
|
||||
Color color = (_selectedIndex == index ? widget.selectedColor : widget.color) ?? Colors.black;
|
||||
return Expanded(
|
||||
child: SizedBox(
|
||||
height: widget.height,
|
||||
child: Material(
|
||||
type: MaterialType.transparency,
|
||||
child: InkWell(
|
||||
onTap: () => onPressed(index),
|
||||
child: Column(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: <Widget>[
|
||||
Icon(item.iconData, color: color, size: widget.iconSize),
|
||||
Text(
|
||||
item.text,
|
||||
style: TextStyle(color: color),
|
||||
)
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
80
flutter/lib/bottom_fab/fab_with_icons.dart
Normal file
80
flutter/lib/bottom_fab/fab_with_icons.dart
Normal file
@@ -0,0 +1,80 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
// https://stackoverflow.com/questions/46480221/flutter-floating-action-button-with-speed-dail
|
||||
|
||||
class FabWithIcons extends StatefulWidget {
|
||||
FabWithIcons({required this.icons, required this.onIconTapped});
|
||||
final List<IconData> icons;
|
||||
ValueChanged<int> onIconTapped;
|
||||
@override
|
||||
State createState() => FabWithIconsState();
|
||||
}
|
||||
|
||||
class FabWithIconsState extends State<FabWithIcons> with TickerProviderStateMixin {
|
||||
late AnimationController _controller;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
_controller = AnimationController(
|
||||
vsync: this,
|
||||
duration: const Duration(milliseconds: 250),
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Column(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
children: List.generate(widget.icons.length, (int index) {
|
||||
return _buildChild(index);
|
||||
}).toList()
|
||||
..add(
|
||||
_buildFab(),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildChild(int index) {
|
||||
Color backgroundColor = Theme.of(context).cardColor;
|
||||
Color foregroundColor = Theme.of(context).secondaryHeaderColor;
|
||||
return Container(
|
||||
height: 70.0,
|
||||
width: 56.0,
|
||||
alignment: FractionalOffset.topCenter,
|
||||
child: ScaleTransition(
|
||||
scale: CurvedAnimation(
|
||||
parent: _controller,
|
||||
curve: Interval(0.0, 1.0 - index / widget.icons.length / 2.0, curve: Curves.easeOut),
|
||||
),
|
||||
child: FloatingActionButton(
|
||||
backgroundColor: backgroundColor,
|
||||
mini: true,
|
||||
child: Icon(widget.icons[index], color: foregroundColor),
|
||||
onPressed: () => _onTapped(index),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildFab() {
|
||||
return FloatingActionButton(
|
||||
onPressed: () {
|
||||
if (_controller.isDismissed) {
|
||||
_controller.forward();
|
||||
} else {
|
||||
_controller.reverse();
|
||||
}
|
||||
},
|
||||
tooltip: 'Increment',
|
||||
child: Icon(Icons.add),
|
||||
elevation: 2.0,
|
||||
);
|
||||
}
|
||||
|
||||
void _onTapped(int index) {
|
||||
_controller.reverse();
|
||||
widget.onIconTapped(index);
|
||||
}
|
||||
}
|
||||
@@ -1,125 +1,24 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
import 'nav_layout.dart';
|
||||
|
||||
void main() {
|
||||
runApp(const MyApp());
|
||||
runApp(const SCNApp());
|
||||
}
|
||||
|
||||
class MyApp extends StatelessWidget {
|
||||
const MyApp({super.key});
|
||||
class SCNApp extends StatelessWidget {
|
||||
const SCNApp({super.key});
|
||||
|
||||
// This widget is the root of your application.
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return MaterialApp(
|
||||
title: 'Flutter Demo',
|
||||
title: 'SimpleCloudNotifier',
|
||||
theme: ThemeData(
|
||||
// This is the theme of your application.
|
||||
//
|
||||
// TRY THIS: Try running your application with "flutter run". You'll see
|
||||
// the application has a purple toolbar. Then, without quitting the app,
|
||||
// try changing the seedColor in the colorScheme below to Colors.green
|
||||
// and then invoke "hot reload" (save your changes or press the "hot
|
||||
// reload" button in a Flutter-supported IDE, or press "r" if you used
|
||||
// the command line to start the app).
|
||||
//
|
||||
// Notice that the counter didn't reset back to zero; the application
|
||||
// state is not lost during the reload. To reset the state, use hot
|
||||
// restart instead.
|
||||
//
|
||||
// This works for code too, not just values: Most code changes can be
|
||||
// tested with just a hot reload.
|
||||
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
|
||||
colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue),
|
||||
useMaterial3: true,
|
||||
),
|
||||
home: const MyHomePage(title: 'Flutter Demo Home Page'),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class MyHomePage extends StatefulWidget {
|
||||
const MyHomePage({super.key, required this.title});
|
||||
|
||||
// This widget is the home page of your application. It is stateful, meaning
|
||||
// that it has a State object (defined below) that contains fields that affect
|
||||
// how it looks.
|
||||
|
||||
// This class is the configuration for the state. It holds the values (in this
|
||||
// case the title) provided by the parent (in this case the App widget) and
|
||||
// used by the build method of the State. Fields in a Widget subclass are
|
||||
// always marked "final".
|
||||
|
||||
final String title;
|
||||
|
||||
@override
|
||||
State<MyHomePage> createState() => _MyHomePageState();
|
||||
}
|
||||
|
||||
class _MyHomePageState extends State<MyHomePage> {
|
||||
int _counter = 0;
|
||||
|
||||
void _incrementCounter() {
|
||||
setState(() {
|
||||
// This call to setState tells the Flutter framework that something has
|
||||
// changed in this State, which causes it to rerun the build method below
|
||||
// so that the display can reflect the updated values. If we changed
|
||||
// _counter without calling setState(), then the build method would not be
|
||||
// called again, and so nothing would appear to happen.
|
||||
_counter++;
|
||||
});
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
// This method is rerun every time setState is called, for instance as done
|
||||
// by the _incrementCounter method above.
|
||||
//
|
||||
// The Flutter framework has been optimized to make rerunning build methods
|
||||
// fast, so that you can just rebuild anything that needs updating rather
|
||||
// than having to individually change instances of widgets.
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
// TRY THIS: Try changing the color here to a specific color (to
|
||||
// Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
|
||||
// change color while the other colors stay the same.
|
||||
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
|
||||
// Here we take the value from the MyHomePage object that was created by
|
||||
// the App.build method, and use it to set our appbar title.
|
||||
title: Text(widget.title),
|
||||
),
|
||||
body: Center(
|
||||
// Center is a layout widget. It takes a single child and positions it
|
||||
// in the middle of the parent.
|
||||
child: Column(
|
||||
// Column is also a layout widget. It takes a list of children and
|
||||
// arranges them vertically. By default, it sizes itself to fit its
|
||||
// children horizontally, and tries to be as tall as its parent.
|
||||
//
|
||||
// Column has various properties to control how it sizes itself and
|
||||
// how it positions its children. Here we use mainAxisAlignment to
|
||||
// center the children vertically; the main axis here is the vertical
|
||||
// axis because Columns are vertical (the cross axis would be
|
||||
// horizontal).
|
||||
//
|
||||
// TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
|
||||
// action in the IDE, or press "p" in the console), to see the
|
||||
// wireframe for each widget.
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: <Widget>[
|
||||
const Text(
|
||||
'You have pushed the button this many times:',
|
||||
),
|
||||
Text(
|
||||
'$_counter',
|
||||
style: Theme.of(context).textTheme.headlineMedium,
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
floatingActionButton: FloatingActionButton(
|
||||
onPressed: _incrementCounter,
|
||||
tooltip: 'Increment',
|
||||
child: const Icon(Icons.add),
|
||||
), // This trailing comma makes auto-formatting nicer for build methods.
|
||||
home: const SCNNavLayout(),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
109
flutter/lib/nav_layout.dart
Normal file
109
flutter/lib/nav_layout.dart
Normal file
@@ -0,0 +1,109 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
|
||||
|
||||
import 'bottom_fab/fab_bottom_app_bar.dart';
|
||||
import 'pages/message_list/message_list.dart';
|
||||
|
||||
class SCNNavLayout extends StatefulWidget {
|
||||
const SCNNavLayout({super.key});
|
||||
|
||||
@override
|
||||
State<SCNNavLayout> createState() => _SCNNavLayoutState();
|
||||
}
|
||||
|
||||
class _SCNNavLayoutState extends State<SCNNavLayout> {
|
||||
int _selectedIndex = 0;
|
||||
|
||||
static const TextStyle optionStyle = TextStyle(fontSize: 30, fontWeight: FontWeight.bold);
|
||||
|
||||
static const List<Widget> _subPages = <Widget>[
|
||||
MessageListPage(title: 'Messages 1'),
|
||||
MessageListPage(title: 'Messages 2'),
|
||||
MessageListPage(title: 'Messages 3'),
|
||||
MessageListPage(title: 'Messages 4'),
|
||||
];
|
||||
|
||||
void _onItemTapped(int index) {
|
||||
setState(() {
|
||||
_selectedIndex = index;
|
||||
});
|
||||
}
|
||||
|
||||
void _onFABTapped(int index) {
|
||||
setState(() {
|
||||
//TODO
|
||||
});
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: _buildAppBar(context),
|
||||
body: Center(
|
||||
child: _subPages.elementAt(_selectedIndex),
|
||||
),
|
||||
bottomNavigationBar: _buildNavBar(context),
|
||||
floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked,
|
||||
floatingActionButton: _buildFAB(context),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildFAB(BuildContext context) {
|
||||
return FloatingActionButton(
|
||||
onPressed: () {},
|
||||
tooltip: 'Increment',
|
||||
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(17))),
|
||||
elevation: 2.0,
|
||||
child: const Icon(FontAwesomeIcons.solidPaperPlaneTop),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildNavBar(BuildContext context) {
|
||||
return FABBottomAppBar(
|
||||
onTabSelected: _onItemTapped,
|
||||
color: Colors.grey,
|
||||
selectedColor: Colors.black,
|
||||
notchedShape: const AutomaticNotchedShape(
|
||||
RoundedRectangleBorder(
|
||||
borderRadius: BorderRadius.only(
|
||||
topLeft: Radius.circular(15),
|
||||
topRight: Radius.circular(15),
|
||||
),
|
||||
),
|
||||
RoundedRectangleBorder(
|
||||
borderRadius: BorderRadius.all(Radius.circular(17)),
|
||||
),
|
||||
),
|
||||
items: [
|
||||
FABBottomAppBarItem(iconData: FontAwesomeIcons.solidEnvelope, text: 'Messages'),
|
||||
FABBottomAppBarItem(iconData: FontAwesomeIcons.solidSnake, text: 'Channels'),
|
||||
FABBottomAppBarItem(iconData: FontAwesomeIcons.solidFileUser, text: 'Account'),
|
||||
FABBottomAppBarItem(iconData: FontAwesomeIcons.solidGear, text: 'Settings'),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
AppBar _buildAppBar(BuildContext context) {
|
||||
return AppBar(
|
||||
title: const Text('Simple Cloud Notifier 2.0'),
|
||||
actions: <Widget>[
|
||||
IconButton(
|
||||
icon: const Icon(FontAwesomeIcons.solidSpiderBlackWidow),
|
||||
tooltip: 'Debug',
|
||||
onPressed: () {},
|
||||
),
|
||||
IconButton(
|
||||
icon: const Icon(FontAwesomeIcons.solidMagnifyingGlass),
|
||||
tooltip: 'Search',
|
||||
onPressed: () {},
|
||||
),
|
||||
IconButton(
|
||||
icon: const Icon(FontAwesomeIcons.solidQrcode),
|
||||
tooltip: 'Show Account QR Code',
|
||||
onPressed: () {},
|
||||
),
|
||||
],
|
||||
backgroundColor: Theme.of(context).secondaryHeaderColor,
|
||||
);
|
||||
}
|
||||
}
|
||||
19
flutter/lib/pages/message_list/message_list.dart
Normal file
19
flutter/lib/pages/message_list/message_list.dart
Normal file
@@ -0,0 +1,19 @@
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
class MessageListPage extends StatelessWidget {
|
||||
final String title;
|
||||
|
||||
const MessageListPage({super.key, required this.title});
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
body: Center(
|
||||
child: Text(
|
||||
title,
|
||||
style: const TextStyle(fontSize: 24),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user