Answers for "how to create timer in flutter"

timer in flutter

Future.delayed(Duration(seconds: 1), () {
            print('yo hey');
          });

how to use timer in a widget flutter

Timer _timer;
  int seconds = 0;
  int minutes = 0;
  int hours = 0;
  void startTimer() {
    const oneSec = const Duration(seconds: 1);
    _timer = new Timer.periodic(
      oneSec,
      (Timer timer) => setState(
        () {
          if (seconds < 0) {
            timer.cancel();
          } else {
            seconds = seconds + 1;
            if (seconds > 59) {
              minutes += 1;
              seconds = 0;
              if (minutes > 59) {
                hours += 1;
                minutes = 0;
              }
            }
          }
        },
      ),
    );
  }

how to create timer in flutter

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

print('This line is printed first');
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