WebSep 14, 2024 · All the methods below use Dart's Duration class to define the delay. It supports the following optional parameters: Duration (seconds: 5) means 5 second … WebApr 7, 2024 · As long as the list was not too big, it worked fine. But now, I get "The Getter length was called on null". I suppose, it's because the second part of the function (after the loop) starts before the sublist is completed... so it doesn't work... How can we force the function to wait for the loop to be over to continue the rest of the treatment ?
Make a while loop, loop for 1 second in Dart/Flutter
Web1 1 Add a comment 0 If you just want to delay code execution then you have to use await (it won't work without it) print ('Before delay: $ {DateTime.now ()}'); await Future.delayed (const Duration (milliseconds: 1500)); print ('After delay: $ {DateTime.now ()}'); Share Improve this answer Follow answered Sep 29, 2024 at 15:36 Boris 353 3 12 WebJul 27, 2024 · Modified 2 years, 8 months ago. Viewed 8k times. 2. I am trying to make a while loop loop a statement exactly for one second after which it stops. I have tried this in DartPad, but it crashes the browser window. void main () { var count = 0.0; bool flag = true; Future.delayed (Duration (seconds: 1), () { flag = false; }); while (flag) { count++ ... greatness without tears
Flutter - How to Run Code After Time Delay - Flutter Campus
WebExecute Code After 1 minute 4 seconds: Future.delayed(Duration(minutes: 1, seconds: 4), (){ print("Executed after 1 minute 4 seconds"); }); You can add more attributes in … WebOct 8, 2024 · October 8, 2024 Flutter If you need to execute a piece of code after some time in Flutter you have to use Timer class. Timer class will allow specifying the time which you need to delay the execution and after that time period code … WebJun 28, 2024 · Then, from within your widgets, you need to: import ' [yourpath]/loading.dart'; bool loading = false; @override Widget build (BuildContext context) { return loading ? Loading () : Scaffold ( body: Container (... Wherever is your click event, you should set the state of loading to TRUE: greatness wotlk