didChangeAppLifecycleState method
Called when the system puts the app in the background or returns the app to the foreground.
Implements the WidgetsBindingObserver.
Implementation
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
debug('$runtimeType - App lifecycle state changed: $state');
switch (state) {
case AppLifecycleState.inactive:
case AppLifecycleState.hidden:
break;
case AppLifecycleState.paused:
case AppLifecycleState.detached:
deactivate();
break;
case AppLifecycleState.resumed:
activate();
break;
}
}