didChangeAppLifecycleState method

  1. @override
void didChangeAppLifecycleState(
  1. AppLifecycleState state
)
override

Called when the system puts the app in the background or returns the app to the foreground.

An example of implementing this method is provided in the class-level documentation for the WidgetsBindingObserver class.

This method exposes notifications from SystemChannels.lifecycle.

See also:

Implementation

@override
void didChangeAppLifecycleState(AppLifecycleState state) => switch (state) {
      AppLifecycleState.resumed => onResumed(),
      AppLifecycleState.inactive => onInactive(),
      AppLifecycleState.paused => onPaused(),
      AppLifecycleState.detached => onDetached(),
      AppLifecycleState.hidden => onHidden(),
    };