Created
May 28, 2019 03:17
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[flutter_timer] completed main
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import 'package:flutter/material.dart'; | |
import 'package:flutter_bloc/flutter_bloc.dart'; | |
import 'package:flutter_timer/bloc/bloc.dart'; | |
import 'package:flutter_timer/ticker.dart'; | |
import 'package:wave/wave.dart'; | |
import 'package:wave/config.dart'; | |
void main() => runApp(MyApp()); | |
class MyApp extends StatefulWidget { | |
State<MyApp> createState() => _MyAppState(); | |
} | |
class _MyAppState extends State<MyApp> { | |
final TimerBloc _timerBloc = TimerBloc(ticker: Ticker()); | |
@override | |
Widget build(BuildContext context) { | |
return MaterialApp( | |
theme: ThemeData( | |
primaryColor: Color.fromRGBO(109, 234, 255, 1), | |
accentColor: Color.fromRGBO(72, 74, 126, 1), | |
brightness: Brightness.dark, | |
), | |
title: 'Flutter Timer', | |
home: BlocProvider( | |
bloc: _timerBloc, | |
child: Timer(), | |
), | |
); | |
} | |
@override | |
void dispose() { | |
_timerBloc.dispose(); | |
super.dispose(); | |
} | |
} | |
class Timer extends StatelessWidget { | |
static const TextStyle timerTextStyle = TextStyle( | |
fontSize: 60, | |
fontWeight: FontWeight.bold, | |
); | |
@override | |
Widget build(BuildContext context) { | |
final TimerBloc _timerBloc = BlocProvider.of<TimerBloc>(context); | |
return Scaffold( | |
appBar: AppBar(title: Text('Flutter Timer')), | |
body: Stack( | |
children: [ | |
Background(), | |
Column( | |
mainAxisAlignment: MainAxisAlignment.center, | |
crossAxisAlignment: CrossAxisAlignment.center, | |
children: <Widget>[ | |
Padding( | |
padding: EdgeInsets.symmetric(vertical: 100.0), | |
child: Center( | |
child: BlocBuilder( | |
bloc: _timerBloc, | |
builder: (context, state) { | |
final String minutesStr = ((state.duration / 60) % 60) | |
.floor() | |
.toString() | |
.padLeft(2, '0'); | |
final String secondsStr = (state.duration % 60) | |
.floor() | |
.toString() | |
.padLeft(2, '0'); | |
return Text( | |
'$minutesStr:$secondsStr', | |
style: Timer.timerTextStyle, | |
); | |
}, | |
), | |
), | |
), | |
BlocBuilder( | |
condition: (previousState, currentState) => | |
currentState.runtimeType != previousState.runtimeType, | |
bloc: _timerBloc, | |
builder: (context, state) => Actions(), | |
), | |
], | |
), | |
], | |
), | |
); | |
} | |
} | |
class Actions extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return Row( | |
mainAxisAlignment: MainAxisAlignment.spaceEvenly, | |
children: _mapStateToActionButtons( | |
timerBloc: BlocProvider.of<TimerBloc>(context), | |
), | |
); | |
} | |
List<Widget> _mapStateToActionButtons({ | |
TimerBloc timerBloc, | |
}) { | |
final TimerState state = timerBloc.currentState; | |
if (state is Ready) { | |
return [ | |
FloatingActionButton( | |
child: Icon(Icons.play_arrow), | |
onPressed: () => timerBloc.dispatch(Start(duration: state.duration)), | |
), | |
]; | |
} | |
if (state is Running) { | |
return [ | |
FloatingActionButton( | |
child: Icon(Icons.pause), | |
onPressed: () => timerBloc.dispatch(Pause()), | |
), | |
FloatingActionButton( | |
child: Icon(Icons.replay), | |
onPressed: () => timerBloc.dispatch(Reset()), | |
), | |
]; | |
} | |
if (state is Paused) { | |
return [ | |
FloatingActionButton( | |
child: Icon(Icons.play_arrow), | |
onPressed: () => timerBloc.dispatch(Resume()), | |
), | |
FloatingActionButton( | |
child: Icon(Icons.replay), | |
onPressed: () => timerBloc.dispatch(Reset()), | |
), | |
]; | |
} | |
if (state is Finished) { | |
return [ | |
FloatingActionButton( | |
child: Icon(Icons.replay), | |
onPressed: () => timerBloc.dispatch(Reset()), | |
), | |
]; | |
} | |
return []; | |
} | |
} | |
class Background extends StatelessWidget { | |
@override | |
Widget build(BuildContext context) { | |
return WaveWidget( | |
config: CustomConfig( | |
gradients: [ | |
[ | |
Color.fromRGBO(72, 74, 126, 1), | |
Color.fromRGBO(125, 170, 206, 1), | |
Color.fromRGBO(184, 189, 245, 0.7) | |
], | |
[ | |
Color.fromRGBO(72, 74, 126, 1), | |
Color.fromRGBO(125, 170, 206, 1), | |
Color.fromRGBO(172, 182, 219, 0.7) | |
], | |
[ | |
Color.fromRGBO(72, 73, 126, 1), | |
Color.fromRGBO(125, 170, 206, 1), | |
Color.fromRGBO(190, 238, 246, 0.7) | |
], | |
], | |
durations: [19440, 10800, 6000], | |
heightPercentages: [0.03, 0.01, 0.02], | |
gradientBegin: Alignment.bottomCenter, | |
gradientEnd: Alignment.topCenter, | |
), | |
size: Size(double.infinity, double.infinity), | |
waveAmplitude: 25, | |
backgroundColor: Colors.blue[50], | |
); | |
} | |
} |
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