The following example helps to understand it.
Read moreHow do I add multiple widgets to Flutter?
The following example helps to understand it.
Read moreWhat is DART key?
A Key is an identifier for Widgets, Elements and SemanticsNodes . A new widget will only be used to update an existing element if its key is the same as the key of the current widget associated with the element.
Read moreWhen should I use stateful widgets?
Stateful widgets are useful when the part of the user interface you are describing can change dynamically , e.g. due to having an internal clock-driven state, or depending on some system state.
Read moreWhy do we use stateless?
We use a stateless widget when we create an application that isn’t required to redraw a widget again and again . For example, when we are creating an AppBar , a stateless widget can be scaffolding or icons that do not need to be changed.1 Tem 2021
Read moreWhat is stateful and stateless widget?
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 moreWhy is the build () method on state and not stateful widgets?
Why is the build method on State, and not StatefulWidget? Putting a Widget build(BuildContext context) method on State rather than putting a Widget build(BuildContext context, State state) method on StatefulWidget gives developers more flexibility when subclassing StatefulWidget .
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