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Android TV support

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kilowatt 2020-10-31 23:52:23 +03:00
parent dab540674b
commit f91fe8f216
7 changed files with 184 additions and 112 deletions
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137
lib/main.dart
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@ -84,6 +84,10 @@ class _FreezerAppState extends State<FreezerApp> {
Widget build(BuildContext context) {
return MaterialApp(
title: 'Freezer',
shortcuts: <LogicalKeySet, Intent>{
...WidgetsApp.defaultShortcuts,
LogicalKeySet(LogicalKeyboardKey.select): const ActivateIntent(), // DPAD center key, for remote controls
},
theme: settings.themeData,
localizationsDelegates: [
GlobalMaterialLocalizations.delegate,
@ -163,6 +167,7 @@ class _MainScreenState extends State<MainScreen> with SingleTickerProviderStateM
List<Widget> _screens = [HomeScreen(), SearchScreen(), LibraryScreen()];
int _selected = 0;
StreamSubscription _urlLinkStream;
int _keyPressed = 0;
@override
void initState() {
@ -237,49 +242,103 @@ class _MainScreenState extends State<MainScreen> with SingleTickerProviderStateM
} catch (e) {}
}
ValueChanged<RawKeyEvent> _handleKey(FocusScopeNode navigatorFocusNode, FocusNode rootFocusNode){
return (event) {
if (event.runtimeType.toString() == 'RawKeyDownEvent') {
int keyCode = (event.data as RawKeyEventDataAndroid).keyCode;
// Movement to navigation bar and back
switch (keyCode) {
case 127: // Menu on Android TV
case 327: // EPG on Hisense TV
navigatorFocusNode.requestFocus();
navigatorFocusNode.focusInDirection(TraversalDirection.down);
break;
case 22: // LEFT + RIGHT
case 21:
if (_keyPressed == 21 && keyCode == 22 || _keyPressed == 22 && keyCode == 21) {
navigatorFocusNode.requestFocus();
navigatorFocusNode.focusInDirection(TraversalDirection.down);
}
_keyPressed = keyCode;
Future.delayed(Duration(milliseconds: 100), () => {
_keyPressed = 0
});
break;
case 19: // UP
if (navigatorFocusNode.hasFocus) {
rootFocusNode.focusInDirection(TraversalDirection.up);
}
if (navigatorFocusNode.parent.hasPrimaryFocus || navigatorFocusNode.parent.parent.hasPrimaryFocus) {
navigatorFocusNode.parent.children.first.children.first.requestFocus();
}
break;
}
}
// WA for returning from search: focus on first child if parent is focused
if (event.runtimeType.toString() == 'RawKeyUpEvent') {
LogicalKeyboardKey key = event.data.logicalKey;
var modalFocusNode = navigatorFocusNode.parent.parent.children.first.children.first
.children.first;
if (key == LogicalKeyboardKey.arrowRight && modalFocusNode.hasPrimaryFocus) {
modalFocusNode.unfocus();
modalFocusNode.focusInDirection(TraversalDirection.right);
}
}
};
}
@override
Widget build(BuildContext context) {
return Scaffold(
bottomNavigationBar: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
PlayerBar(),
BottomNavigationBar(
backgroundColor: Theme.of(context).bottomAppBarColor,
currentIndex: _selected,
onTap: (int s) async {
FocusScopeNode navigatorFocusNode = FocusScopeNode(); // for bottom navigator
FocusNode rootFocusNode = FocusNode(); // for Scaffold
return RawKeyboardListener(
focusNode: rootFocusNode,
onKey: _handleKey(navigatorFocusNode, rootFocusNode),
child: Scaffold(
bottomNavigationBar:
FocusScope(
node: navigatorFocusNode,
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
PlayerBar(),
BottomNavigationBar(
backgroundColor: Theme.of(context).bottomAppBarColor,
currentIndex: _selected,
onTap: (int s) async {
//Pop all routes until home screen
while (navigatorKey.currentState.canPop()) {
await navigatorKey.currentState.maybePop();
}
//Pop all routes until home screen
while (navigatorKey.currentState.canPop()) {
await navigatorKey.currentState.maybePop();
}
await navigatorKey.currentState.maybePop();
setState(() {
_selected = s;
});
},
selectedItemColor: Theme.of(context).primaryColor,
items: <BottomNavigationBarItem>[
BottomNavigationBarItem(
icon: Icon(Icons.home), title: Text('Home'.i18n)),
BottomNavigationBarItem(
icon: Icon(Icons.search),
title: Text('Search'.i18n),
await navigatorKey.currentState.maybePop();
setState(() {
_selected = s;
});
},
selectedItemColor: Theme.of(context).primaryColor,
items: <BottomNavigationBarItem>[
BottomNavigationBarItem(
icon: Icon(Icons.home),
title: Text('Home'.i18n)),
BottomNavigationBarItem(
icon: Icon(Icons.search),
title: Text('Search'.i18n),
),
BottomNavigationBarItem(
icon: Icon(Icons.library_music),
title: Text('Library'.i18n))
],
)
],
)),
body: AudioServiceWidget(
child: CustomNavigator(
navigatorKey: navigatorKey,
home: _screens[_selected],
pageRoute: PageRoutes.materialPageRoute,
),
BottomNavigationBarItem(
icon: Icon(Icons.library_music), title: Text('Library'.i18n))
],
)
],
),
body: AudioServiceWidget(
child: CustomNavigator(
navigatorKey: navigatorKey,
home: _screens[_selected],
pageRoute: PageRoutes.materialPageRoute,
),
));
)));
}
}