Question

我已经阅读了以下帖子

但是我无法弄清楚如何进行深层链接，以便加载特定的屏幕。这是我的用例。我已经设置了具有意图过滤器的深层链接活动处理程序，以按以下步骤深层链接到特定活动。对于以下深层链接

adb -e shell启动-a“ android.intent.action.VIEW” -d“ myapp：// link？nav = user.settings.push \＆preference = notifications”

我有如下活动来处理传入的深层链接。

Uri ur = getIntent().getData();
String preference = uri.getQueryParameter("preference");
Intent processorIntent = new Intent(this, SettingsActivity.class);
processorIntent.putExtra("preference", preference);
. . . . other attributes are added as such ONE_SHOT_FLAG etc.
startActivity(processorIntent);

在我的SettingsActivity中，我有以下内容

public class SettingsActivity extends AppCompatActivity
    implements PreferenceFragmentCompat.OnPreferenceStartFragmentCallback {

    @Override
protected void onCreate(Bundle savedInstanceState)
{

    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_settings);

    final FragmentManager fragmentManager = getSupportFragmentManager();
    if (fragmentManager != null)
    {

        String settingsPreference =
            getIntent().getStringExtra("preference");
              final Fragment fragment
            if (preference != null) {
              fragment =  new NotificationPreferencesFragment();
            } else {
              fragment = new RootPreferences();
            }
            fragment.setArguments(savedInstanceState);
            fragmentManager.beginTransaction()
                .add(R.id.master_container, fragment, "root_fragment")
                .commit();
     }
   }
 }

RootPreferenceFragment

这是我定义偏好的地方

    public class RootPreferencesFragment extends PreferenceFragmentCompat 
    {
                @Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey)
{
  final Activity activity = getActivity();

  // Initialize view models
  final ViewModelProvider viewModelProvider = ViewModelProviders.of(activity, viewModelProviderFactory);
  RootViewModel rootViewModel = viewModelProvider.get(RootViewModel.class);


   . . . . Initialise Other Preferences . . . . 

  // Notifications
  final Preference notificationsPreference = preferencesFactory.create(
    accountCategory,
    Preference.class,
    RootViewModel.ACCOUNT_NOTIFICATIONS_PREFERENCE_KEY,
    R.string.PushNotifications,
    RootViewModel.ACCOUNT_CATEGORY_KEY);
  notificationsPreference.setFragment(NotificationPreferencesFragment.class.getName());
  // I want to deep link into this one.


}
    }

这是我的屏幕外观。我可以进入“通知”屏幕，但无法通过“后退”按钮进入此屏幕。此屏幕由RootPreferencesFragment管理。

我该怎么办？

Android：深入链接到“返回”按钮上的特定首选项屏幕

0 个答案: