WebNov 25, 2024 · The initState () is a method that is called when an object for your stateful widget is created and inserted inside the widget tree. It is basically the entry point for the Stateful Widgets. initState () method is called only and only once and is used generally for initializing the previously defined variables of the stateful widget. initState ... WebOct 22, 2024 · 2 Answers. Avoid calling setState inside loops, call it after your task has done. Always call super.initState and mark initState as overrided. class _ItemsWidgetState extends State { List itemsList = []; @override void initState () { super.initState (); fetchItems (); } fetchItems () async { final response = await http ...
How to Build Widgets with an Async Method Call - Flutter Igniter
WebMay 26, 2024 · If I call controller.fetchList() inside setState, I can not get response even it is awaiting for the response inside fetchList function. I am getting response when I make … WebOct 16, 2024 · It is best to use the @override void didChangeDependencies method of the State class. From the docs. This method is also called immediately after initState. It is safe to call BuildContext.inheritFromWidgetOfExactType from this method. But make sure to check if you have already performed your initialization how is synthetic gas made
Asynchronous programming: futures, async, await Dart
WebJun 30, 2024 · When the user scrolls down, more content is fetched and added to the contents array which will again run the builder method. Another method would be to … WebMar 7, 2010 · initState. method. Called when this object is inserted into the tree. The framework will call this method exactly once for each State object it creates. Override this method to perform initialization that depends on the location at which this object was inserted into the tree (i.e., context ) or on the widget used to configure this object (i.e ... WebNov 24, 2024 · This is the idiomatic answer. Effectively, you're wrapping the widget that needs to wait (could be a MaterialApp or any other widget) in a class that will wait until your async work is done, then returning whatever widget you like, optionally use the Future's … how is synthesis different from summary