Web1 Answer Sorted by: 7 This will print 1 after 1s, 2 after another 2s, 3 after 6s. for ( var i = 1 ; i <= 5; i++ ) { await Future.delayed (Duration (seconds: i), () => print (i)); } In asynchronous programming you need to await for futures to return result. Otherwise it will return everything immediately Share Improve this answer Follow Webvoid main () { Future future1 = getData (2); Future future2 = getData (4); Future future3 = getData (6); FutureGroup futureGroup = FutureGroup (); futureGroup.add (future1); futureGroup.add (future2); futureGroup.add (future3); futureGroup.close (); futureGroup.future.then ( (value) => {print (value)}); } Future getData (int duration) …
flutter - What is a Future and how do I use it? - Stack Overflow
WebJul 24, 2024 · Future.microtask ( () => print ('microtask 1')); Future.microtask ( () => print ('microtask 2')); } You can run this example on DartPad. The event loop will simply pick up all microtasks in a FIFO fashion before other futures. A microtask queue is created when you schedule microtasks and that queue is executed before other futures (event queue). WebJul 21, 2024 · That is where FutureBuilder comes in. You can use it when you have a future, to display one thing while you are waiting for it (for example a progress indicator) and another thing when it's done (for example the result). Let's take a … phipps park stuart camping
dart - Flutter, showDialog and Future.delayed - Stack Overflow
WebJun 7, 2024 · In Flutter, the FutureBuilder Widget is used to create widgets based on the latest snapshot of interaction with a Future. It is necessary for Future to be obtained earlier either through a change of state or change in dependencies. FutureBuilder is a Widget that will help you to execute some asynchronous function and based on that function’s result … WebApr 26, 2024 · Here is code of myFunc: Future myFunc (BuildContext context) async { await Future.delayed (Duration (seconds: 2)); Navigator.of (context).pop (); showErrorDialog (context); //return new showDialog } Right now it works fine, but I want to pop the first showDialog before the delay, and I try this way: WebMay 2, 2024 · Future.delayed would be a good solution without a countdown. But considering you have a countdown, you can use the animation framework Flutter provides. The idea behind it would be to use an AnimationController with a duration of 3 seconds. Start the animation as soon as the splashScreen is instantiated. phipps pay my rent