setState is a way to dynamically change the UI . We call it inside the State Object class of the StatefulWidget. Calling setState marks the corresponding Widget dirty .20 Haz 2021
Read moreWhat is context in Dart?
context is a BuildContext instance which gets passed to the builder of a widget in order to let it know where it is inside the Widget Tree of your app . One of the common uses is passing it to the of method when using an Inherited Widget.
Read moreWhat is BuildContext context?
BuildContext is, like it’s name is implying, the context in which a specific widget is built . If you’ve ever done some React before, that context is kind of similar to React’s context (but much smoother to use) ; with a few bonuses.4 Mar 2018
Read moreWhat is the scaffold in Flutter?
Scaffold is a class in flutter which provides many widgets or we can say APIs like Drawer, SnackBar, BottomNavigationBar, FloatingActionButton, AppBar etc. Scaffold will expand or occupy the whole device screen. It will occupy the available space.
Read moreDoes setState call build?
A peek behind the curtains. All that setState does is calling the provided callback and then the associated element gets scheduled for a new build .29 Mar 2021
Read moreHow do you stop setState in flutter?
The preferred solution is to cancel the timer or stop listening to the animation in the dispose() callback . Another solution is to check the “mounted” property of this object before calling setState() to ensure the object is still in the tree.
Read moreWhat is the difference between Statelesswidget and StatefulWidget?
A widget is either stateful or stateless. If a widget can change—when a user interacts with it, for example—it’s stateful. A stateless widget never changes . Icon , IconButton , and Text are examples of stateless widgets.
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