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 moreWhat is a Flutter widget?
Flutter widgets are built using a modern framework that takes inspiration from React . The central idea is that you build your UI out of widgets. Widgets describe what their view should look like given their current configuration and state.
Read moreWhat is a Flutter widget?
Flutter widgets are built using a modern framework that takes inspiration from React . The central idea is that you build your UI out of widgets. Widgets describe what their view should look like given their current configuration and state.
Read moreHow do you use classes in Flutter?
In order to make a variable or function private to a class, the name of the variable or function needs to start with underscore( _ ) . Variables/function without underscore( _ ) are public. You have defined a private function and accessing the private function.
Read moreHow do you use classes in Flutter?
In order to make a variable or function private to a class, the name of the variable or function needs to start with underscore( _ ) . Variables/function without underscore( _ ) are public. You have defined a private function and accessing the private function.
Read moreHow do you add a set state in flutter?
Calling setState notifies the framework that the internal state of this object has changed in a way that might impact the user interface in this subtree, which causes the framework to schedule a build for this State object. So in this article, we will go through How to Use setState In Flutter.
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