didChangeAppLifecycleState method
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:
- AppLifecycleListener, an alternative API for responding to application lifecycle changes.
Implementation
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
_isInForeground = [
AppLifecycleState.resumed,
AppLifecycleState.inactive,
].contains(state);
if (currentUser != null) {
if (_isInForeground) {
_onForeground();
} else {
_onBackground();
}
}
}