groovy
dependencies {
implementation 'androidx.lifecycle:lifecycle-extensions:2.3.1'
}
public class MyLifecycleObserver implements LifecycleObserver {
@OnLifecycleEvent(Lifecycle.Event.ON_STOP)
public void saveData() {
}
}
public class MyActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getLifecycle().addObserver(new MyLifecycleObserver());
}
}
