Stateless widget overrides the build() method and returns a widget . For example, we use Text or the Icon is our flutter application where the state of the widget does not change in the runtime. It is used when the UI depends on the information within the object itself.
Read moreWhat is the difference between stateful and stateless widget Flutter?
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.
Read moreWhat is life cycle of Flutter?
Lifecycle of Flutter App, is the demonstration of how the app will change its State . It helps in understanding the concept behind the smooth flow of our apps. Flutter has majorly two types of widgets i.e. , Stateless and Stateful Widget.
Read moreWhat is the life cycle of stateful widget Flutter?
The tldr version is that State objects are long lived, but StatefulWidget s (and all Widget subclasses) are thrown away and rebuilt whenever configuration changes . It’s very inexpensive ie cheap for Flutter to rebuild a mutable widget.
Read moreHow do you rebuild a stateful widget in Flutter?
The solution is to pass a new Key to WidgetB every time we need it to be rebuilt : WidgetA will see that WidgetB has changed and will rebuild it when setState is called. In other words, whenever a stateful widget’s Key property changes, calling setState on its parent will force a rebuild of the stateful widget.
Read moreWhen should I use widget Flutter?
In flutter, Widget is a way to declare and construct UI . If you are familiar with the Android or iOS development then you might make the immediate connection with the views (on Android) or UIViews (on iOS).
Read more