late modifier can be used while declaring a non-nullable variable that’s initialized after its declaration . Declaration of variables that will be initialize later is done using late modifier.
Read moreHow do you use the late modifier on a Flutter?
late modifier can be used while declaring a non-nullable variable that’s initialized after its declaration . Declaration of variables that will be initialize later is done using late modifier.
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 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 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 moreHow do you define setState in flutter?
Summary. setState is a way to dynamically change the UI . We call it inside the State Object class of the StatefulWidget. Calling setState marks the corresponding Widget dirty .
Read more