本文整理了Java中androidx.fragment.app.Fragment.onAttach()方法的一些代码示例，展示了Fragment.onAttach()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Fragment.onAttach()方法的具体详情如下：
包路径：androidx.fragment.app.Fragment
类名称：Fragment
方法名：onAttach

Fragment.onAttach介绍

暂无

代码示例

代码示例来源：origin: PhilJay/MPAndroidChart

@Override
public void onAttach(Context context) {
  super.onAttach(context);
  this.context = context;
}

代码示例来源：origin: ankidroid/Anki-Android

@Override
public void onAttach(Context context) {
  super.onAttach(context);
  try {
    mListener = (StudyOptionsListener) context;
  } catch (ClassCastException e) {
    throw new ClassCastException(context.toString() + " must implement StudyOptionsListener");
  }
}

代码示例来源：origin: trello/RxLifecycle

@Override
public void onAttach(android.app.Activity activity) {
  super.onAttach(activity);
  lifecycleSubject.onNext(FragmentEvent.ATTACH);
}

代码示例来源：origin: ArthurHub/Android-Image-Cropper

@Override
public void onAttach(Activity activity) {
 super.onAttach(activity);
 mDemoPreset = CropDemoPreset.valueOf(getArguments().getString("DEMO_PRESET"));
 ((MainActivity) activity).setCurrentFragment(this);
}

代码示例来源：origin: westnordost/StreetComplete

@Override public void onAttach(Context context)
{
  super.onAttach(context);
  listener = (Listener) context;
}

代码示例来源：origin: westnordost/StreetComplete

@Override public void onAttach(Context context)
{
  super.onAttach(context);
  compass.onCreate(
      (SensorManager) context.getSystemService(SENSOR_SERVICE),
      ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay());
  lostApiClient = new LostApiClient.Builder(context).addConnectionCallbacks(this).build();
  listener = (Listener) context;
}

代码示例来源：origin: trello/RxLifecycle

private void testLifecycle(LifecycleProvider<FragmentEvent> provider) {
  Fragment fragment = (Fragment) provider;
  startFragment(fragment);
  TestObserver<FragmentEvent> testObserver = provider.lifecycle().skip(1).test();
  fragment.onAttach(null);
  fragment.onCreate(null);
  fragment.onViewCreated(null, null);
  fragment.onStart();
  fragment.onResume();
  fragment.onPause();
  fragment.onStop();
  fragment.onDestroyView();
  fragment.onDestroy();
  fragment.onDetach();
  testObserver.assertValues(
    FragmentEvent.ATTACH,
    FragmentEvent.CREATE,
    FragmentEvent.CREATE_VIEW,
    FragmentEvent.START,
    FragmentEvent.RESUME,
    FragmentEvent.PAUSE,
    FragmentEvent.STOP,
    FragmentEvent.DESTROY_VIEW,
    FragmentEvent.DESTROY,
    FragmentEvent.DETACH
  );
}

代码示例来源：origin: trello/RxLifecycle

private void testLifecycle(LifecycleProvider<FragmentEvent> provider) {
  Fragment fragment = (Fragment) provider;
  startFragment(fragment);
  TestObserver<FragmentEvent> testObserver = provider.lifecycle().skip(1).test();
  fragment.onAttach(null);
  fragment.onCreate(null);
  fragment.onViewCreated(null, null);
  fragment.onStart();
  fragment.onResume();
  fragment.onPause();
  fragment.onStop();
  fragment.onDestroyView();
  fragment.onDestroy();
  fragment.onDetach();
  testObserver.assertValues(
    FragmentEvent.ATTACH,
    FragmentEvent.CREATE,
    FragmentEvent.CREATE_VIEW,
    FragmentEvent.START,
    FragmentEvent.RESUME,
    FragmentEvent.PAUSE,
    FragmentEvent.STOP,
    FragmentEvent.DESTROY_VIEW,
    FragmentEvent.DESTROY,
    FragmentEvent.DETACH
  );
}

代码示例来源：origin: trello/RxLifecycle

private void testBindUntilEvent(LifecycleProvider<FragmentEvent> provider) {
  Fragment fragment = (Fragment) provider;
  startFragment(fragment);
  TestObserver<Object> testObserver = observable.compose(provider.bindUntilEvent(STOP)).test();
  fragment.onAttach(null);
  testObserver.assertNotComplete();
  fragment.onCreate(null);
  testObserver.assertNotComplete();
  fragment.onViewCreated(null, null);
  testObserver.assertNotComplete();
  fragment.onStart();
  testObserver.assertNotComplete();
  fragment.onResume();
  testObserver.assertNotComplete();
  fragment.onPause();
  testObserver.assertNotComplete();
  fragment.onStop();
  testObserver.assertComplete();
}

代码示例来源：origin: trello/RxLifecycle

private void testBindUntilEvent(LifecycleProvider<FragmentEvent> provider) {
  Fragment fragment = (Fragment) provider;
  startFragment(fragment);
  TestObserver<Object> testObserver = observable.compose(provider.bindUntilEvent(STOP)).test();
  fragment.onAttach(null);
  testObserver.assertNotComplete();
  fragment.onCreate(null);
  testObserver.assertNotComplete();
  fragment.onViewCreated(null, null);
  testObserver.assertNotComplete();
  fragment.onStart();
  testObserver.assertNotComplete();
  fragment.onResume();
  testObserver.assertNotComplete();
  fragment.onPause();
  testObserver.assertNotComplete();
  fragment.onStop();
  testObserver.assertComplete();
}

代码示例来源：origin: proninyaroslav/libretorrent

@Override
public void onAttach(Context context)
{
  super.onAttach(context);
  if (context instanceof AppCompatActivity)
    activity = (AppCompatActivity)context;
}

代码示例来源：origin: proninyaroslav/libretorrent

@Override
public void onAttach(Context context)
{
  super.onAttach(context);
  if (context instanceof AppCompatActivity) {
    activity = (AppCompatActivity)context;
    if (context instanceof DetailTorrentFragment.Callback)
      callback = (DetailTorrentFragment.Callback)context;
  }
}

代码示例来源：origin: proninyaroslav/libretorrent

@Override
public void onAttach(Context context)
{
  super.onAttach(context);
  if (context instanceof AppCompatActivity)
    activity = (AppCompatActivity)context;
}

代码示例来源：origin: proninyaroslav/libretorrent

@Override
public void onAttach(Context context)
{
  super.onAttach(context);
  if (context instanceof AppCompatActivity) {
    activity = (AppCompatActivity)context;
    if (context instanceof DetailTorrentFragment.Callback)
      callback = (DetailTorrentFragment.Callback)context;
  }
}

代码示例来源：origin: proninyaroslav/libretorrent

@Override
public void onAttach(Context context)
{
  super.onAttach(context);
  if (context instanceof AppCompatActivity)
    activity = (AppCompatActivity)context;
}

代码示例来源：origin: proninyaroslav/libretorrent

@Override
public void onAttach(Context context)
{
  super.onAttach(context);
  if (context instanceof AppCompatActivity)
    this.activity = (AppCompatActivity)context;
}

代码示例来源：origin: proninyaroslav/libretorrent

@Override
public void onAttach(Context context)
{
  super.onAttach(context);
  if (context instanceof AppCompatActivity) {
    activity = (AppCompatActivity)context;
    callback = (Callback)context;
  }
}

代码示例来源：origin: esafirm/android-image-picker

@Override
public void onAttach(Context context) {
  super.onAttach(context);
  if (context instanceof ImagePickerInteractionListener) {
    interactionListener = (ImagePickerInteractionListener) context;
  }
}

代码示例来源：origin: trello/RxLifecycle

startFragment(fragment);
fragment.onAttach(null);
TestObserver<Object> attachObserver = observable.compose(provider.bindToLifecycle()).test();

代码示例来源：origin: trello/RxLifecycle

startFragment(fragment);
fragment.onAttach(null);
TestObserver<Object> attachObserver = observable.compose(provider.bindToLifecycle()).test();