Switch to using separate PreferenceScreens (so we can later move to AndroidX preference ibrary). (63ad2982) · Commits · e / os / Camera

app/src/main/java/net/sourceforge/opencamera/MainActivity.java

+47 −1

Original line number	Diff line number	Diff line
		@@ -124,7 +124,7 @@ import androidx.appcompat.app.AppCompatActivity;

		/** The main Activity for Open Camera.
		*/
		public class MainActivity extends AppCompatActivity {
		public class MainActivity extends AppCompatActivity implements PreferenceFragment.OnPreferenceStartFragmentCallback {
		private static final String TAG = "MainActivity";

		private static int activity_count = 0;
		@@ -3331,6 +3331,45 @@ public class MainActivity extends AppCompatActivity {
		editor.apply();
		}

		@Override
		public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) {
		if( MyDebug.LOG ) {
		Log.d(TAG, "onPreferenceStartFragment");
		Log.d(TAG, "pref: " + pref.getFragment());
		}

		// instantiate the new fragment
		//final Bundle args = pref.getExtras();
		// we want to pass the caller preference fragment's bundle to the new sub-screen (this will be a
		// copy of the bundle originally created in openSettings()
		final Bundle args = new Bundle(caller.getArguments());

		final Fragment fragment = Fragment.instantiate(this, pref.getFragment(), args);
		fragment.setTargetFragment(caller, 0);
		if( MyDebug.LOG )
		Log.d(TAG, "replace fragment");
		/*getFragmentManager().beginTransaction()
		.replace(R.id.content, fragment)
		.addToBackStack(null)
		.commit();*/
		getFragmentManager().beginTransaction().add(android.R.id.content, fragment, "PREFERENCE_FRAGMENT_"+pref.getFragment()).addToBackStack(null).commitAllowingStateLoss();

		/*
		// AndroidX version:
		final Fragment fragment = getSupportFragmentManager().getFragmentFactory().instantiate(
		getClassLoader(),
		pref.getFragment());
		fragment.setArguments(args);
		fragment.setTargetFragment(caller, 0);
		// replace the existing fragment with the new fragment:
		getSupportFragmentManager().beginTransaction()
		.replace(R.id.content, fragment)
		.addToBackStack(null)
		.commit();
		*/
		return true;
		}

		public void updateForSettings(boolean update_camera) {
		updateForSettings(update_camera, null);
		}
		@@ -3689,6 +3728,13 @@ public class MainActivity extends AppCompatActivity {
		}
		}

		public boolean isSettingsOnBackPressedCallbackEnabled() {
		if( settingsOnBackPressedCallback != null ) {
		return settingsOnBackPressedCallback.isEnabled();
		}
		return false;
		}

		public void enableSettingsOnBackPressedCallback(boolean enabled) {
		if( MyDebug.LOG )
		Log.d(TAG, "enableSettingsOnBackPressedCallback: " + enabled);