CountdownTimer

A simple flutter countdown timer component.

Installing

Add this to your package's pubspec.yaml file:

dependencies:
  flutter_countdown_timer: ^1.6.0

Install it

$ flutter pub get

CountdownTimer

name	description
emptyWidget	The widget displayed at the end of the countdown
widgetBuilder	Widget Function(BuildContext context, CurrentRemainingTime time)
wcontroller	CountdownTimer start and dispose controller

CountdownTimerController

name	description
endTime	Countdown end time stamp
onEnd	Countdown end event

Example

Now in your Dart code, you can use:

  CountdownTimerController controller;
  @override
  void initState() {
    super.initState();
    int endTime = DateTime.now().millisecondsSinceEpoch + 1000 * 30;
    controller = CountdownTimerController(endTime: endTime, onEnd: onEnd);
  }

  void onEnd() {
    print('onEnd');
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: <Widget>[
          CountdownTimer(
            controller: controller,
          ),
          CountdownTimer(
            controller: controller,
            widgetBuilder: (_, CurrentRemainingTime time) {
              if (time == null) {
                return Text('Game over');
              }
              return Text(
                  'days: [ ${time.days} ], hours: [ ${time.hours} ], min: [ ${time.min} ], sec: [ ${time.sec} ]');
            },
          ),
          CountdownTimer(
            controller: controller,
            widgetBuilder: (BuildContext context, CurrentRemainingTime time) {
              if (time == null) {
                return Text('Game over');
              }
              List<Widget> list = [];
              if (time.days != null) {
                list.add(Row(
                  children: <Widget>[
                    Icon(Icons.sentiment_dissatisfied),
                    Text(time.days.toString()),
                  ],
                ));
              }
              if (time.hours != null) {
                list.add(Row(
                  children: <Widget>[
                    Icon(Icons.sentiment_satisfied),
                    Text(time.hours.toString()),
                  ],
                ));
              }
              if (time.min != null) {
                list.add(Row(
                  children: <Widget>[
                    Icon(Icons.sentiment_very_dissatisfied),
                    Text(time.min.toString()),
                  ],
                ));
              }
              if (time.sec != null) {
                list.add(Row(
                  children: <Widget>[
                    Icon(Icons.sentiment_very_satisfied),
                    Text(time.sec.toString()),
                  ],
                ));
              }

              return Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: list,
              );
            },
          ),
        ],
      ),
      floatingActionButton: FloatingActionButton(
        child: Icon(Icons.stop),
        onPressed: () {
          onEnd();
          controller.disposeTimer();
        },
      ),
    );
  }

  @override
  void dispose() {
    controller.dispose();
    super.dispose();
  }

Countdown

CountdownController countdownController = CountdownController(duration: Duration(minutes: 1));


Scaffold(
      body: Center(
        child: Countdown(countdownController: countdownController),
      ),
      floatingActionButton: FloatingActionButton(
        child: Icon(countdownController.isRunning ? Icons.stop : Icons.play_arrow),
        onPressed: () {
          if(!countdownController.isRunning) {
          ///start
            countdownController.start();
          } else {
          ///pause
            countdownController.stop();
          }
          setState(() {
            ///change icon
          });
        },
      ),
    )