setState method Null safety Notify the framework that the internal state of this object has changed. Whenever you change the internal state of a State object, make the change in a function that you pass to setState: setState(() { _myState = newValue; }); The provided callback is immediately called synchronously.
Read moreHow do you rebuild a stateful widget 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 moreHow do you refresh current state in flutter?
Force Flutter navigator to reload state when popping
Read moreWhat is inherited model?
Inheritance in the object model is a means of defining one class in terms of another . This is common usage for most of us. For example, a conifer is a type of tree. There are certain characteristics that are true for all trees, yet there are specific characteristics for conifers.
Read moreWhat are inherited widget in Flutter?
In flutter, the inherited widget is a base class that allows those classes to extend the information under the tree from it . Inherited widgets are also a kind of state management technique. It works by telling registered build references when a change occurs.
Read moreWhat is good code and what is a clean architecture?
The main rule of clean architecture is that code dependencies can only move from the outer levels inward . Code on the inner layers can have no knowledge of functions on the outer layers.
Read moreHow do you keep app State in Flutter?
Model encapsulates the state of an application. We can use as many Model (by inheriting Model class) as needed to maintain the application state . It has a single method, notifyListeners, which needs to be called whenever the Model state changes. notifyListeners will do necessary things to update the UI.
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