Flutter BuildContext

Every Flutter widget has @override build() method with the argument of BuildContext.

Simply, BuildContext is a handle to the location of a widget in the widget tree.

1. What's really mean by "build location" ?

• when the framework builds a widget object by calling its constructor will correspondingly need to create an element object for that widget object.

• And this element object represents the build location of that widget.

• This element object has many useful instance methods.




2. What is BuildContext object ?

BuildContext objects are actually Element objects. The BuildContext interface is used to discourage direct manipulation of Element objects.

Sources :

What does BuildContext do in Flutter?

BuildContext class