flutter_chrome_cast 1.0.3 
flutter_chrome_cast: ^1.0.3 copied to clipboard
A Flutter plugin that enables integration with Google Cast devices, allowing apps to discover, connect, and control media playback on Chromecast and other Cast-enabled devices. Ideal for developers bu [...]
example/lib/main.dart
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_chrome_cast/lib.dart';
import 'dart:async';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final _scaffoldKey = GlobalKey<ScaffoldState>();
bool _isDiscoveryActive = false;
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
const appId = GoogleCastDiscoveryCriteria.kDefaultApplicationId;
GoogleCastOptions? options;
if (Platform.isIOS) {
options = IOSGoogleCastOptions(
GoogleCastDiscoveryCriteriaInitialize.initWithApplicationID(appId),
);
} else if (Platform.isAndroid) {
options = GoogleCastOptionsAndroid(
appId: appId,
);
}
GoogleCastContext.instance.setSharedInstanceWithOptions(options!);
// Check initial discovery state for iOS
if (Platform.isIOS) {
try {
final isActive = await GoogleCastDiscoveryManager.instance
.isDiscoveryActiveForDeviceCategory(appId);
setState(() {
_isDiscoveryActive = isActive;
});
} catch (e) {
// Handle error silently or log it
debugPrint('Error checking discovery state: $e');
}
}
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Stack(
children: [
Scaffold(
key: _scaffoldKey,
floatingActionButton: Container(
margin: const EdgeInsets.only(bottom: 40),
child: StreamBuilder(
stream:
GoogleCastSessionManager.instance.currentSessionStream,
builder: (context, snapshot) {
final isConnected =
GoogleCastSessionManager.instance.connectionState ==
GoogleCastConnectState.connected;
return Visibility(
visible: isConnected,
child: FloatingActionButton(
onPressed: _insertQueueItemAndPlay,
child: const Icon(Icons.add),
),
);
}),
),
appBar: AppBar(
title: const Text('Plugin example app'),
actions: [
StreamBuilder<GoogleCastSession?>(
stream: GoogleCastSessionManager
.instance.currentSessionStream,
builder: (context, snapshot) {
final bool isConnected =
GoogleCastSessionManager.instance.connectionState ==
GoogleCastConnectState.connected;
return IconButton(
onPressed: GoogleCastSessionManager
.instance.endSessionAndStopCasting,
icon: Icon(isConnected
? Icons.cast_connected
: Icons.cast));
})
],
),
body: StreamBuilder<List<GoogleCastDevice>>(
stream: GoogleCastDiscoveryManager.instance.devicesStream,
builder: (context, snapshot) {
final devices = snapshot.data ?? [];
return Column(
children: [
// Discovery Control Section
Container(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
// Discovery Status Indicator
Container(
padding: const EdgeInsets.all(12.0),
decoration: BoxDecoration(
color: _isDiscoveryActive
? Colors.green.withValues(alpha: 0.1)
: Colors.grey.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(8.0),
border: Border.all(
color: _isDiscoveryActive
? Colors.green
: Colors.grey,
width: 2.0,
),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
width: 12.0,
height: 12.0,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: _isDiscoveryActive
? Colors.green
: Colors.grey,
),
),
const SizedBox(width: 8.0),
Expanded(
child: Text(
_isDiscoveryActive
? devices.isEmpty
? 'Discovery Active - Searching for devices...'
: 'Discovery Active - Found ${devices.length} device${devices.length == 1 ? '' : 's'}'
: 'Discovery Stopped',
style: TextStyle(
fontWeight: FontWeight.bold,
color: _isDiscoveryActive
? Colors.green.shade700
: Colors.grey.shade700,
),
textAlign: TextAlign.center,
),
),
if (_isDiscoveryActive) ...[
const SizedBox(width: 8.0),
SizedBox(
width: 16.0,
height: 16.0,
child: CircularProgressIndicator(
strokeWidth: 2.0,
valueColor: AlwaysStoppedAnimation<Color>(
Colors.green.shade700,
),
),
),
],
],
),
),
const SizedBox(height: 16.0),
// Discovery Control Buttons
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
ElevatedButton(
onPressed: _isDiscoveryActive ? null : _startDiscovery,
style: ElevatedButton.styleFrom(
backgroundColor: _isDiscoveryActive ? Colors.grey : Colors.green,
foregroundColor: Colors.white,
),
child: const Text('Start Discovery'),
),
ElevatedButton(
onPressed: !_isDiscoveryActive ? null : _stopDiscovery,
style: ElevatedButton.styleFrom(
backgroundColor: !_isDiscoveryActive ? Colors.grey : Colors.red,
foregroundColor: Colors.white,
),
child: const Text('Stop Discovery'),
),
],
),
],
),
),
const Divider(),
// Device List Section
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Text(
'Available Cast Devices (${devices.length})',
style: Theme.of(context).textTheme.titleMedium,
),
),
const SizedBox(height: 8),
Expanded(
child: ListView(
children: [
...devices.map((device) {
return StreamBuilder<GoogleCastSession?>(
stream: GoogleCastSessionManager.instance.currentSessionStream,
builder: (context, sessionSnapshot) {
final currentSession = sessionSnapshot.data;
final isConnectedToThisDevice = currentSession?.device?.deviceID == device.deviceID;
return Card(
margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
elevation: isConnectedToThisDevice ? 4 : 1,
color: isConnectedToThisDevice ? Colors.blue.shade50 : null,
child: ListTile(
title: Text(
device.friendlyName,
style: TextStyle(
fontWeight: isConnectedToThisDevice ? FontWeight.bold : FontWeight.normal,
),
),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(device.modelName ?? ''),
if (isConnectedToThisDevice)
Text(
'Connected',
style: TextStyle(
color: Colors.green.shade600,
fontWeight: FontWeight.w500,
),
),
],
),
leading: Icon(
isConnectedToThisDevice ? Icons.cast_connected : Icons.cast,
color: isConnectedToThisDevice ? Colors.blue : null,
),
trailing: isConnectedToThisDevice
? Row(
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
icon: const Icon(Icons.play_arrow),
onPressed: () => _loadAndPlayMedia(),
tooltip: 'Play Media',
color: Colors.green,
),
IconButton(
icon: const Icon(Icons.stop),
onPressed: () => _disconnectFromDevice(),
tooltip: 'Disconnect',
color: Colors.red,
),
],
)
: const Icon(Icons.chevron_right),
onTap: isConnectedToThisDevice ? null : () => _connectToDevice(device),
),
);
},
);
})
],
),
),
],
);
},
)),
GoogleCastMiniController(
theme: ExpandedGoogleCastPlayerTheme(
backgroundColor: Colors.white,
titleTextStyle: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.black87,
),
deviceTextStyle: TextStyle(
fontSize: 12,
color: Colors.grey[600],
fontWeight: FontWeight.w400,
),
iconColor: Colors.blue,
iconSize: 28,
imageBorderRadius: BorderRadius.circular(12),
imageShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.2),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
margin: const EdgeInsets.all(16),
borderRadius: BorderRadius.circular(16),
showDeviceName: true,
),
],
),
);
}
void _connectToDevice(GoogleCastDevice device) async {
try {
await GoogleCastSessionManager.instance.startSessionWithDevice(device);
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
SnackBar(
content: Text('Connected to ${device.friendlyName}'),
backgroundColor: Colors.green,
),
);
} catch (e) {
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
SnackBar(
content: Text('Failed to connect to ${device.friendlyName}'),
backgroundColor: Colors.red,
),
);
}
}
void _disconnectFromDevice() async {
try {
await GoogleCastSessionManager.instance.endSessionAndStopCasting();
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
const SnackBar(
content: Text('Disconnected from Cast device'),
backgroundColor: Colors.orange,
),
);
} catch (e) {
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
const SnackBar(
content: Text('Failed to disconnect'),
backgroundColor: Colors.red,
),
);
}
}
void _loadAndPlayMedia() async {
try {
await GoogleCastRemoteMediaClient.instance.queueLoadItems(
[
GoogleCastQueueItem(
activeTrackIds: [0],
mediaInformation: GoogleCastMediaInformationIOS(
contentId: '0',
streamType: CastMediaStreamType.buffered,
contentUrl: Uri.parse(
'http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ElephantsDream.mp4'),
contentType: 'video/mp4',
metadata: GoogleCastMovieMediaMetadata(
title: 'The first Blender Open Movie from 2006',
studio: 'Blender Inc',
releaseDate: DateTime(2011),
subtitle:
'Song : Raja Raja Kareja Mein Samaja\nAlbum : Raja Kareja Mein Samaja\nArtist : Radhe Shyam Rasia\nSinger : Radhe Shyam Rasia\nMusic Director : Sohan Lal, Dinesh Kumar\nLyricist : Vinay Bihari, Shailesh Sagar, Parmeshwar Premi\nMusic Label : T-Series',
images: [
GoogleCastImage(
url: Uri.parse(
'https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/images/BigBuckBunny.jpg'),
height: 480,
width: 854,
),
],
),
tracks: [
GoogleCastMediaTrack(
trackId: 0,
type: TrackType.text,
trackContentId: Uri.parse(
'https://raw.githubusercontent.com/felnanuke2/flutter_cast/master/example/assets/VEED-subtitles_Blender_Foundation_-_Elephants_Dream_1024.vtt')
.toString(),
trackContentType: 'text/vtt',
name: 'English',
language: Rfc5646Language.portugueseBrazil,
subtype: TextTrackType.subtitles,
),
],
),
),
GoogleCastQueueItem(
preLoadTime: const Duration(seconds: 15),
mediaInformation: GoogleCastMediaInformationIOS(
contentId: '1',
streamType: CastMediaStreamType.buffered,
contentUrl: Uri.parse(
'http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4'),
contentType: 'video/mp4',
metadata: GoogleCastMovieMediaMetadata(
title: 'Big Buck Bunny',
releaseDate: DateTime(2011),
studio: 'Vlc Media Player',
images: [
GoogleCastImage(
url: Uri.parse(
'https://commondatastorage.googleapis.com/gtv-videos-bucket/sample/images/BigBuckBunny.jpg'),
height: 480,
width: 854,
),
],
),
),
),
],
options: GoogleCastQueueLoadOptions(
startIndex: 0,
playPosition: const Duration(seconds: 30),
),
);
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
const SnackBar(
content: Text('Media loaded and playing'),
backgroundColor: Colors.green,
),
);
} catch (e) {
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
const SnackBar(
content: Text('Failed to load media'),
backgroundColor: Colors.red,
),
);
}
}
void _insertQueueItemAndPlay() {
GoogleCastRemoteMediaClient.instance.queueInsertItemAndPlay(
GoogleCastQueueItem(
preLoadTime: const Duration(seconds: 15),
mediaInformation: GoogleCastMediaInformationIOS(
contentId: '3',
streamType: CastMediaStreamType.buffered,
contentUrl: Uri.parse(
'http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ForBiggerBlazes.mp4'),
contentType: 'video/mp4',
metadata: GoogleCastMovieMediaMetadata(
title: 'For Bigger Blazes',
subtitle:
'Song : Raja Raja Kareja Mein Samaja\nAlbum : Raja Kareja Mein Samaja\nArtist : Radhe Shyam Rasia\nSinger : Radhe Shyam Rasia\nMusic Director : Sohan Lal, Dinesh Kumar\nLyricist : Vinay Bihari, Shailesh Sagar, Parmeshwar Premi\nMusic Label : T-Series',
releaseDate: DateTime(2011),
studio: 'T-Series Regional',
images: [
GoogleCastImage(
url: Uri.parse(
'https://i.ytimg.com/vi/Dr9C2oswZfA/maxresdefault.jpg'),
height: 480,
width: 854,
),
],
),
),
),
beforeItemWithId: 2,
);
}
void _startDiscovery() {
setState(() {
_isDiscoveryActive = true;
});
GoogleCastDiscoveryManager.instance.startDiscovery();
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
const SnackBar(
content: Text('Discovery started - searching for Cast devices...'),
backgroundColor: Colors.green,
),
);
}
void _stopDiscovery() {
setState(() {
_isDiscoveryActive = false;
});
GoogleCastDiscoveryManager.instance.stopDiscovery();
ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(
const SnackBar(
content: Text('Discovery stopped'),
backgroundColor: Colors.red,
),
);
}
}Metadata
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Metadata
A Flutter plugin that enables integration with Google Cast devices, allowing apps to discover, connect, and control media playback on Chromecast and other Cast-enabled devices. Ideal for developers building media streaming or casting features in their Flutter applications.
Repository (GitHub)
View/report issues
License
unknown (license)
Dependencies
flutter, get, marquee, permission_handler, plugin_platform_interface, rxdart
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