dependencies { implementation 'androidx.lifecycle:lifecycle-runtime:2.4.0' annotationProcessor 'androidx.lifecycle:lifecycle-compiler:2.4.0' } public class MyActivity extends AppCompatActivity implements LifecycleObserver { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); getLifecycle().addObserver(this); } @OnLifecycleEvent(Lifecycle.Event.ON_RESUME) public void onResumeEvent() { Log.d("MyActivity", "onResumeEvent"); } @OnLifecycleEvent(Lifecycle.Event.ON_PAUSE) public void onPauseEvent() { Log.d("MyActivity", "onPauseEvent"); } } @Override protected void onResume() { super.onResume(); } @Override protected void onPause() { super.onPause(); }


上一篇:
下一篇:
切换中文