Interface for classes that register with the Widgets layer binding.
See WidgetsBinding.addObserver and WidgetsBinding.removeObserver.
Constructors
Properties
- hashCode → int
-
Get a hash code for this object.
read-only, inherited - runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Operators
-
operator ==(
other) → bool -
The equality operator.
inherited
Methods
-
didChangeAppLifecycleState(
AppLifecycleState state) → void -
Called when the system puts the app in the background or returns the app to the foreground.
-
didChangeLocale(
Locale locale) → void -
Called when the system tells the app that the user's locale has changed. For example, if the user changes the system language settings.
-
didChangeMetrics(
) → void -
Called when the application's dimensions change. For example, when a phone is rotated.
-
didPopRoute(
) → bool -
Called when the system tells the app to pop the current route. For example, on Android, this is called when the user presses the back button.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited -
toString(
) → String -
Returns a string representation of this object.
inherited