Dart timer

Timer(Duration(seconds: 3), () {
  print("Yeah, this line is printed after 3 second");
});

// repeatedly :
Timer.periodic(Duration(seconds: 5), (timer) {
  print(DateTime.now());
});

Source: fluttermaster.com

Dart flutter countdown timer

TweenAnimationBuilder<Duration>(
  duration: Duration(minutes: 3),
  tween: Tween(begin: Duration(minutes: 3), end: Duration.zero),
  onEnd: () {
    print('Timer ended');
  },
  builder: (BuildContext context, Duration value, Widget? child) {
    final minutes = value.inMinutes;
    final seconds = value.inSeconds % 60;
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 5),
      child: Text('$minutes:$seconds',
               textAlign: TextAlign.center,
               style: TextStyle(
               color: Colors.black,
               fontWeight: FontWeight.bold,
               fontSize: 30)));
    }),

Similar codes

1 vote230 views1 answer
How to get value from user in dart
Dart
0 vote231 views1 answer
Flutter disable android back button
Dart
2 votes231 views1 answer
Dart add two strings
Dart
0 vote214 views1 answer
Flutter icon logout
Dart
4 votes218 views1 answer
Dart extension function
Dart
0 vote232 views1 answer
App bar textStyle flutter
Dart
0 vote222 views2 answers
Pub http
Dart
-1 vote230 views1 answer
Dart code examples
Dart
17 votes202 views6 answers
Card border radius flutter
Dart
1 vote231 views1 answer
Flutter pretext on textfield
Dart