This is clear from their structure as well. Stateless Widget: Stateless Widgetstate creates ONLY ONCE, then it can update values but not state explicitly.due to having an internal clock-driven state, or depending on some system state, consider using StatefulWidget.Ĭlass GreenFrog extends StatelessWidget ()) Ĭonsider a below image like a below: what-is-the-relation-between-stateful-and-stateless-widgets-in-flutter For compositions that can change dynamically, e.g.

The stateless widget is useful when the part of the user interface you are describing does not depend on anything other than the configuration information in the object itself and the BuildContext in which the widget is inflated. The building process continues recursively until the description of the user interface is fully concrete. A stateless widget is a widget that describes part of the user interface by building a constellation of other widgets that describe the user interface more concretely.StatelessWidget - A widget that does not require a mutable state. lock the widget tree.Ĭonsider an image like the below: Stateless vs Stateful What is a Stateless Widget? Stateless only means that all of its properties are immutable and that the only way to change them is to create a new instance of that widget. A Stateful widget can.īUT any kind of widget can be repainted at any time. so in this article, we will go through what is the relation between stateful and stateless widgets in Flutter? What is the Relation Between Stateful and Stateless Widgets In Flutter?Ī Stateless widget will never rebuild by itself but can from external events.

A Stateful Widgetis a mutable widget that is the reason it can be drawn multiple times within its lifetime.

Flutter widgets stateful vs