When you change the state of a Stateful Widget, use setState() to cause a rebuild of the widget and its descendants . You don’t need to call setState() in the constructor or initState() of the widget, because build() will be run afterward anyway. Also don’t call setState() in synchronous code inside build().28 May 2021
Read moreWhat is void initState () in Flutter?
initState() is a method of class State and it is considered as an important lifecycle method in Flutter. initState() is called only Once and we use it for one time initializations. Example : To initialize data that depends on the specific BuildContext . To initialize data that needs to executed before build() .
Read moreCan you call setState in initState flutter?
Because we can’t call setState() directly in the initState method , we can’t call it from a function called by initState either. Unless this function is asynchronous and the setState call is made after the first await.16 May 2021
Read moreHow do you use context in Flutter?
– Context is a link to the location of a widget in the tree structure of widgets . – Context can belong to only one widget. – If a widget has child widgets, then the context of the parent widget becomes the parent context for the contexts of direct child elements.
Read moreCan we use await in initState Flutter?
Console Output: In this way, you can execute async ‘await’ codes inside initState() in Flutter App.
Read moreCan I use provider in initState?
If you want to listen to the new value, don’t put the provider in the initState() , it will cause an exception .
Read moreWhere do I call initState?
Conclusion. Start your initState with super . initState and end your dispose with super. dispose if you want to be on the easy and safe side adding mixin s to your State .
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