下面列出了android.app.FragmentTransaction#addToBackStack ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
public void onClick(View view) {
android.app.FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
switch (view.getId()) {
case R.id.error_btn_retry:
ShoppingListFragment listFR = new ShoppingListFragment();
transaction.replace(R.id.fragment_container, listFR);
transaction.addToBackStack(null);
transaction.commit();
break;
case R.id.error_btn_cache:
CacheListFragment cacheFR = new CacheListFragment();
transaction.replace(R.id.fragment_container, cacheFR, "CACHE_FRAGMENT");
transaction.addToBackStack(null);
transaction.commit();
break;
case R.id.error_btn_settings:
Intent intent = new Intent(getActivity(), SettingsActivity.class);
startActivity(intent);
}
}
/**
* Opens the map represented by the specified portal item or if null, opens
* a default map.
*
* @param portalItemId
* - String representing a portal resource
* @param basemapPortalItemId
* - String representing a basemap portal item
*/
public void showMap(String portalItemId, String basemapPortalItemId) {
// remove existing MapFragment explicitly, simply replacing it can cause
// the app to freeze when switching basemaps
FragmentTransaction transaction;
FragmentManager fragmentManager = getFragmentManager();
Fragment currentMapFragment = fragmentManager.findFragmentByTag(MapFragment.TAG);
if (currentMapFragment != null) {
transaction = fragmentManager.beginTransaction();
transaction.remove(currentMapFragment);
transaction.commit();
}
MapFragment mapFragment = MapFragment.newInstance(portalItemId, basemapPortalItemId);
transaction = fragmentManager.beginTransaction();
transaction.replace(R.id.maps_app_activity_content_frame, mapFragment, MapFragment.TAG);
transaction.addToBackStack(null);
transaction.commit();
invalidateOptionsMenu(); // reload the options menu
}
@Override
public void onRssItemSelected(String link) {
if (getResources().getBoolean(R.bool.twoPaneMode)) {
DetailFragment fragment = (DetailFragment) getFragmentManager()
.findFragmentById(R.id.detailFragment);
fragment.setText(link);
} else {
// replace the fragment
// Create fragment and give it an argument for the selected article
DetailFragment newFragment = new DetailFragment();
Bundle args = new Bundle();
args.putString(DetailFragment.EXTRA_URL, link);
newFragment.setArguments(args);
FragmentTransaction transaction = getFragmentManager().beginTransaction();
// Replace whatever is in the fragment_container view with this fragment,
// and add the transaction to the back stack so the user can navigate back
transaction.replace(R.id.fragment_container, newFragment);
transaction.addToBackStack(null);
// Commit the transaction
transaction.commit();
}
}
@Override
public boolean onPreferenceClick(Preference pref) {
// TODO Auto-generated method stub
Fragment f = null;
if(pref == mAdvancedGovernor) {
f = new CpuGovernorPreferenceFragment();
}
if(pref == mAdvancedCpuquiet) {
f = new CpuquietGovernorPreferenceFragment();
}
FragmentTransaction ft = getFragmentManager().beginTransaction();
// This adds the newly created Preference fragment to my main layout, shown below
ft.replace(R.id.activity_container,f);
// By hiding the main fragment, transparency isn't an issue
ft.addToBackStack("TAG");
ft.commit();
return false;
}
private void showFragment(final FragmentManager fragmentManager,
final Fragment fragment,
final boolean addToBackStack,
final String tag) {
// hide the full screen container
hideFullScreenView();
if (fragmentManager.findFragmentByTag(tag) == null) {
final int viewId = mContentContainer.addBorderView(this);
updateCurrentPresenterClass(fragment, viewId);
final FragmentTransaction transaction = fragmentManager.beginTransaction();
transaction.replace(viewId, fragment, tag);
if (addToBackStack) {
transaction.addToBackStack(tag);
}
transaction.commitAllowingStateLoss();
} else {
fragmentManager
.beginTransaction()
.detach(fragment)
.attach(fragment)
.commitAllowingStateLoss();
}
}
public static void showAboutDialog(Activity activity) {
FragmentManager fm = activity.getFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
Fragment prev = fm.findFragmentByTag("dialog_about");
if (prev != null) {
ft.remove(prev);
}
ft.addToBackStack(null);
new AboutDialog().show(ft, "dialog_about");
}
private void displayFavorites() {
FavoriteListFragment favFR = new FavoriteListFragment();
android.app.FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
transaction.replace(R.id.fragment_container, favFR);
transaction.addToBackStack(null);
transaction.commit();
}
private void openConversation(Conversation conversation, Bundle extras) {
ConversationFragment conversationFragment = (ConversationFragment) getFragmentManager().findFragmentById(R.id.secondary_fragment);
final boolean mainNeedsRefresh;
if (conversationFragment == null) {
mainNeedsRefresh = false;
Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);
if (mainFragment instanceof ConversationFragment) {
conversationFragment = (ConversationFragment) mainFragment;
} else {
conversationFragment = new ConversationFragment();
FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.main_fragment, conversationFragment);
fragmentTransaction.addToBackStack(null);
try {
fragmentTransaction.commit();
} catch (IllegalStateException e) {
Log.w(Config.LOGTAG, "sate loss while opening conversation", e);
//allowing state loss is probably fine since view intents et all are already stored and a click can probably be 'ignored'
return;
}
}
} else {
mainNeedsRefresh = true;
}
conversationFragment.reInit(conversation, extras == null ? new Bundle() : extras);
if (mainNeedsRefresh) {
refreshFragment(R.id.main_fragment);
} else {
invalidateActionBarTitle();
}
}
public static void showFragment(Activity activity, Fragment fragment, int resID, int animationType, boolean addToBackStack) {
// check params and bail if necessary
if (fragment == null || activity == null) {
DUtils.log("bad params: " + DUtils.currentMethod());
return;
}
FragmentManager fragmentManager = activity.getFragmentManager();
FragmentTransaction ft = fragmentManager.beginTransaction();
switch (animationType) {
case 0:
break;
// case 1:
// ft.setCustomAnimations(R.animator.slide_in_left, R.animator.slide_out_left, R.animator.slide_in_right, R.animator.slide_out_right);
// break;
// case 2:
// ft.setCustomAnimations(R.animator.slide_in_down, R.animator.slide_out_down, R.animator.slide_in_up, R.animator.slide_out_up);
// break;
// case 3:
// ft.setCustomAnimations(R.animator.fraggy_enter, R.animator.fraggy_exit, R.animator.fraggy_pop_enter, R.animator.fraggy_pop_exit);
// break;
default:
ft.setCustomAnimations(R.animator.fade_enter, R.animator.fade_exit, R.animator.fade_enter, R.animator.fade_exit);
break;
}
ft.replace(resID, fragment);
if (addToBackStack)
ft.addToBackStack(null);
ft.commit();
}
void addFragmentToStack() {
stackLevel++;
// Instantiate a new fragment.
Fragment newFragment = CountingFragment.newInstance(stackLevel);
// Add the fragment to the activity, pushing this transaction
// on to the back stack.
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.replace(R.id.simple_fragment, newFragment);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
ft.addToBackStack(null);
ft.commit();
}
@Override
public void onItemSelectedHandler(HexDrawer.Item item) {
String collection;
switch (item) {
case Settings:
Intent settingsIntent = new Intent(getApplicationContext(), SettingsActivity.class);
startActivity(settingsIntent);
break;
case About:
Intent aboutIntent = new Intent(getApplicationContext(), AboutActivity.class);
startActivity(aboutIntent);
break;
default:
mCurrentItem = item;
collection = itemToCollection.get(item).toString();
Bundle bundle = new Bundle();
bundle.putString(StoryListFragment.CollectionKey, collection);
StoryListFragment storyListFragment = new StoryListFragment();
storyListFragment.setArguments(bundle);
if (getFragmentManager().getBackStackEntryCount() > 0) {
getFragmentManager().popBackStackImmediate();
}
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.content_wrapper, storyListFragment);
transaction.addToBackStack(item.toString());
transaction.commit();
break;
}
}
/**
* Start a new fragment.
*
* @param fragment The fragment to start
* @param push If true, the current fragment will be pushed onto the back stack. If false,
* the current fragment will be replaced.
*/
public void startPreferenceFragment(Fragment fragment, boolean push) {
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.prefs, fragment);
if (push) {
transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
transaction.addToBackStack(BACK_STACK_PREFS);
} else {
transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
}
transaction.commitAllowingStateLoss();
}
private void displayCached() {
CacheListFragment cacheFR = new CacheListFragment();
android.app.FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
transaction.replace(R.id.fragment_container, cacheFR);
transaction.addToBackStack(null);
transaction.commit();
}
private void onWaypointProperties(Waypoint waypoint) {
mEditedWaypoint = waypoint;
Bundle args = new Bundle(2);
args.putString(WaypointProperties.ARG_NAME, mEditedWaypoint.name);
args.putInt(WaypointProperties.ARG_COLOR, mEditedWaypoint.style.color);
Fragment fragment = Fragment.instantiate(this, WaypointProperties.class.getName(), args);
fragment.setEnterTransition(new Fade());
FragmentTransaction ft = mFragmentManager.beginTransaction();
ft.replace(R.id.contentPanel, fragment, "waypointProperties");
ft.addToBackStack("waypointProperties");
ft.commit();
updateMapViewArea();
}
private void showDialogFragment(final FragmentManager fragmentManager,
final DialogFragment dialogFragment,
final boolean addToBackStack,
final String tag) {
final FragmentTransaction transaction = fragmentManager.beginTransaction();
transaction.add(dialogFragment, tag);
if (addToBackStack) {
transaction.addToBackStack(tag);
}
transaction.commitAllowingStateLoss();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_edit:
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.container, new EditFragment());
transaction.addToBackStack(null);
transaction.commit();
return true;
case R.id.action_menu:
getActivity().openContextMenu(_listView);
return true;
}
return super.onOptionsItemSelected(item);
}
private void initializeFragments() {
FragmentTransaction transaction = getFragmentManager().beginTransaction();
Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);
Fragment secondaryFragment = getFragmentManager().findFragmentById(R.id.secondary_fragment);
if (mainFragment != null) {
if (binding.secondaryFragment != null) {
if (mainFragment instanceof ConversationFragment) {
getFragmentManager().popBackStack();
transaction.remove(mainFragment);
transaction.commit();
getFragmentManager().executePendingTransactions();
transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.secondary_fragment, mainFragment);
transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());
transaction.commit();
return;
}
} else {
if (secondaryFragment instanceof ConversationFragment) {
transaction.remove(secondaryFragment);
transaction.commit();
getFragmentManager().executePendingTransactions();
transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.main_fragment, secondaryFragment);
transaction.addToBackStack(null);
transaction.commit();
return;
}
}
} else {
transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());
}
if (binding.secondaryFragment != null && secondaryFragment == null) {
transaction.replace(R.id.secondary_fragment, new ConversationFragment());
}
transaction.commit();
}
private void initializeFragments() {
FragmentTransaction transaction = getFragmentManager().beginTransaction();
Fragment mainFragment = getFragmentManager().findFragmentById(R.id.main_fragment);
Fragment secondaryFragment = getFragmentManager().findFragmentById(R.id.secondary_fragment);
if (mainFragment != null) {
Log.d(Config.LOGTAG, "initializeFragment(). main fragment exists");
if (binding.secondaryFragment != null) {
if (mainFragment instanceof ConversationFragment) {
Log.d(Config.LOGTAG, "gained secondary fragment. moving...");
getFragmentManager().popBackStack();
transaction.remove(mainFragment);
transaction.commit();
getFragmentManager().executePendingTransactions();
transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.secondary_fragment, mainFragment);
transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());
transaction.commit();
return;
}
} else {
if (secondaryFragment instanceof ConversationFragment) {
Log.d(Config.LOGTAG, "lost secondary fragment. moving...");
transaction.remove(secondaryFragment);
transaction.commit();
getFragmentManager().executePendingTransactions();
transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.main_fragment, secondaryFragment);
transaction.addToBackStack(null);
transaction.commit();
return;
}
}
} else {
transaction.replace(R.id.main_fragment, new ConversationsOverviewFragment());
}
if (binding.secondaryFragment != null && secondaryFragment == null) {
transaction.replace(R.id.secondary_fragment, new ConversationFragment());
}
transaction.commit();
}
/** Open NBT editor fragment for the given editableNBT */
public void openNBTEditor(EditableNBT editableNBT){
// see changeContentFragment(callback)
this.confirmContentClose = getString(R.string.confirm_close_nbt_editor);
EditorFragment editorFragment = new EditorFragment();
editorFragment.setEditableNBT(editableNBT);
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.world_content, editorFragment);
transaction.addToBackStack(null);
transaction.commit();
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
int id = item.getItemId();
if (id == R.id.nav_clear) {
clearAll();
TextView txtAppSelected = (TextView) findViewById(R.id.txtAppSelected);
if(txtAppSelected!=null) {
txtAppSelected.setText("... ");
}
} else if (id == R.id.nav_close) {
clearAll();
stopService();
super.finish();
android.os.Process.killProcess(android.os.Process.myPid());
} else if (id == R.id.nav_config) {
ConfigFragment configFragment = new ConfigFragment(this);
fragmentTransaction.replace(R.id.container, configFragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
} else if (id == R.id.nav_auth) {
AuthFragment authFragment = new AuthFragment(this);
fragmentTransaction.replace(R.id.container, authFragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
} else if (id == R.id.nav_share) {
Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, "https://github.com/ac-pm/Inspeckage");
sendIntent.setType("text/plain");
startActivity(sendIntent);
}else{
MainFragment mainFragment = new MainFragment();
fragmentTransaction.replace(R.id.container, mainFragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}