unregisterAll method
Implementation
@override
Future<void> unregisterAll() {
cancelPendingRegistration();
return _enqueue(() async {
try {
_backend.unregisterAll();
} finally {
// Failed native resources remain owned by the backend for retry. Do
// not reuse IDs for resources already released by a partial cleanup.
_hotKeys.clear();
_accelerators.clear();
}
});
}