WebJun 6, 2024 · The seconds set as 1 will keep triggering setState each second, thus refreshing your widget tree. void _timer () { Future.delayed (Duration (seconds: 1)).then ( (_) { setState ( () { print ("1 second closer to NYE!"); // Anything else you want }); _timer (); }); } Share Follow answered Dec 14, 2024 at 1:20 Miguel Ruivo 15.2k 7 53 85 WebOct 18, 2024 · I've found a very naive and easy approach for state management in flutter. I am storing the state using a hive box (a key value database) and rebuilding the screen at every second with setState. The widget is not accessing an API. Just the hive database that is very fast and light weigh.
Flutter - how to update screen with latest api response
WebNov 3, 2024 · 3 Answers Sorted by: 1 Future executes once and returns just one result. initState () executed when creating a widget, this is also usually once. For your tasks it is better to use Streams, my solution is not the best in … WebJul 15, 2024 · class CustomTimer extends StatefulWidget { final DateTime endtime; const CustomTimer ( {Key? key, required this.endtime}) : super (key: key); @override State createState () => _CustomTimerState (); } class _CustomTimerState extends State { Timer? timer; Duration remainTime = Duration (); newTime () { // print ('hi'); setState ( () { final … fiona wu realtor
3 Ways To Make An Update Tick In Flutter - Medium
WebMay 19, 2024 · If the parent widget rebuilds and request that this location in the tree update to display a new widget with the same runtimeType and Widget.key, the framework will update the widget property of this State object to refer to the new widget and then call this method with the previous widget as an argument. Read more WebMay 25, 2024 · Then I have this Stateful Widget that should update itself everytime this global variable is not zero. I want to be able to call the addPointsToPlayer () from another widget. So far my understanding of the Stateful widgets end at the setState ( () {}) which I can only call inside the Stateful widget itself. WebAug 18, 2024 · Timer timer; final start = DateTime (2024, 8, 17, 21, 30, 0); final dateActual = DateTime.now (); Duration comparation = new Duration (hours: 0, minutes: 0, seconds: 0); @override void initState () { timer = Timer.periodic (Duration (seconds: 1), (_) { setState ( () { comparation = dateActual.difference (start); print (comparation); }); }); } … essential oil humidifier near me