void dispose() Called when this object is removed from the tree permanently . The framework calls this method when this State object will never build again. After the framework calls dispose, the State object is considered unmounted and the mounted property is false.
Read moreHow do you dispose of initState in flutter?
dispose method Null safety
Read moreWhat are Globalkeys in flutter?
A key that is unique across the entire app . Global keys uniquely identify elements. Global keys provide access to other objects that are associated with those elements, such as BuildContext. For StatefulWidgets, global keys also provide access to State.
Read moreWhat is flutter super?
super is used to call the constructor of the base class . So in your example, the constructor of CardTitle is calling the constructor of StatelessWidget .3 Mar 2019
Read moreWhat is the super in Dart?
Super Keyword in Dart: In Dart, super keyword is used to refer immediate parent class object . It is used to call properties and methods of the superclass. It does not call the method, whereas when we create an instance of subclass than that of the parent class is created implicitly so super keyword calls that instance.8 Mar 2022
Read moreWhat is super constructor in flutter?
The superclass constructor can only be invoked with the use of the super() constructor. The super() constructor allows a subclass constructor to explicitly call the no arguments and parametrized constructor of superclass .24 May 2021
Read moreHow do I use setState in widget flutter?
When you change the state of a Stateful Widget, use setState() to cause a rebuild of the widget and its descendants . You don’t need to call setState() in the constructor or initState() of the widget, because build() will be run afterward anyway. Also don’t call setState() in synchronous code inside build().28 May 2021
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