livestream 1.0.2 livestream: ^1.0.2 copied to clipboard
LiveStream is a simple class which makes communication easy among different modules of your application.
import 'package:flutter/material.dart';
import 'package:livestream/livestream.dart';
import 'background.dart';
void main() => runApp(MyApp());
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'LiveStream Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: MyHomePage(title: 'LiveStream Demo'),
);
}
}
class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
String dateTime = DateTime.now().toString();
Color textColor = Colors.blue;
bool _isExecuting = false;
BackgroundExecute backgroundExecute = new BackgroundExecute();
LiveStream _liveStream = new LiveStream();
void _startExecute() {
if (!_isExecuting) {
backgroundExecute.execDateTime();
_isExecuting = true;
}
backgroundExecute.execColor();
}
void _initLiveStream() {
_liveStream.on("dateTime", (value) {
setState(() {
dateTime = value.toString();
});
});
_liveStream.on("text_color", (value) {
setState(() {
textColor = value;
});
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'Current Date & Time :',
),
Text(
'$dateTime',
style: TextStyle(
color: textColor, fontWeight: FontWeight.bold, fontSize: 40),
),
RaisedButton(
onPressed: _initLiveStream,
child: Text("Init Live Stream"),
),
RaisedButton(
onPressed: _startExecute,
child: Text("Change Color"),
)
],
),
),
);
}
}