BuildContext class abstract

An abstract interface for locating ancestor widgets, analogous to Flutter's BuildContext.

BuildContext objects are passed to Widget.build methods and can be used to look up inherited widgets and other ancestors in the tree.

Implementers

• ComponentElement
• RenderObjectElement

Available extensions

• BuildContextNavigation

Constructors

BuildContext()

Properties

focusManager → FocusManager

Available on BuildContext, provided by the BuildContextNavigation extension

Returns the singleton FocusManager instance.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

navigator → NavigatorState

Available on BuildContext, provided by the BuildContextNavigation extension

Returns the NavigatorState of the nearest Navigator ancestor.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

dependOnInheritedWidgetOfExactType<T extends InheritedWidget>() → T?

Obtains the nearest InheritedWidget of type T, registering the caller as a dependent.

findAncestorElementOfExactType<T extends InheritedWidget>() → InheritedElement?

Returns the nearest InheritedElement of type T.

findAncestorWidgetOfExactType<T extends Widget>() → T?

Returns the nearest ancestor widget of the given type T.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited