But you shouldn’t! In fact, your IDE will give you a warning, because this is not the way to go with Stateless widget as it is marked as @immutable . If you need to use lifecycle methods (like initState() ) you should make it a Stateful widget . There’s no big deal.21 Şub 2019
Read moreCan a stateless widget have a stateful child?
A stateful widget is defined as any widget which changes its state within its lifetime. But it is a very common practice for a StatelessWidget to have a StatefulWidget as one of its children .
Read moreWhat is main Flutter?
In order to write any Dart program, be it a script or a Flutter app, you must define a function called main . void main() { print(‘Hello, Dart’); } This function tells Dart where the program starts, and it must be in the file that is considered the “entry point” for you program .
Read moreWhat is MyApp in Flutter?
In the “Hello Flutter” code above, MyApp is a widget created by us which will build the screen layout . Every custom widget has a build function which returns a Widget.
Read moreWhat’s the role of runApp () in Flutter?
The runApp() function takes the given Widget and makes it the root of the widget tree . In this example, the widget tree consists of two widgets, the Center widget and its child, the Text widget.
Read moreWhat are all the lifecycle of a StatefulWidget?
The lifecycle has the following simplified steps: createState() mounted == true . initState()
Read moreWhat is mounted in Flutter?
mounted property Null safety After creating a State object and before calling initState, the framework “mounts” the State object by associating it with a BuildContext . The State object remains mounted until the framework calls dispose, after which time the framework will never ask the State object to build again.
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