AppLifecycleObserver<T extends StatefulWidget> mixin

Allows to observe app lifecycle without any boilerplate code. It registers a listener to receive lifecycle events and auto disposes it when the widget is disposed.

Superclass Constraints
  1. @optionalTypeArgs

Properties

context BuildContext
The location in the tree where this widget builds.
no setterinherited
hashCode int
The hash code for this object.
no setterinherited
mounted bool
Whether this State object is currently in a tree.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
widget → T
The current configuration.
no setterinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
inherited
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeAppLifecycleState(AppLifecycleState state) → void
Called when app lifecycle state changes. state is the current state of the app.
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didUpdateWidget(covariant T oldWidget) → void
Called whenever the widget configuration changes.
inherited
dispose() → void
Called when this object is removed from the tree permanently.
override
initState() → void
Called when this object is inserted into the tree.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onDetach() → void
Called when app lifecycle state is changed to AppLifecycleState.detached
onHidden() → void
Called when app lifecycle state is changed to AppLifecycleState.hidden
onInactive() → void
Called when app lifecycle state is changed to AppLifecycleState.inactive
onPause() → void
Called when app lifecycle state is changed to AppLifecycleState.paused
onResume() → void
Called when app lifecycle state is changed to AppLifecycleState.resumed
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object.
inherited
toStringShort() String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited