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

2 votes110 views3 answers
Dart log to console
Dart
1 vote113 views1 answer
If directory exists flutter
Dart
0 vote99 views2 answers
Flutter bullet point
Dart
1 vote109 views1 answer
Flutter extend two classes
Dart
0 vote104 views2 answers
Dart string variable stack
Dart
0 vote110 views1 answer
Perform async task when build is done flutter
Dart
0 vote105 views1 answer
Flutter Popup Menu Button Example Tutorial
Dart
1 vote108 views1 answer
Chips in flutter
Dart
5 votes107 views1 answer
GestureDetector class
Dart
3 votes97 views2 answers
How to disable scroll function in flutter
Dart