/*
* We call super.onBackPressed(); when the stack entry count is > 0. if it
* is instanceof ProductListFragment or if the stack entry count is == 0, then
* we finish the activity.
* In other words, from ProductListFragment on back press it quits the app.
*/
@Override
public void onBackPressed() {
FragmentManager fm = getSupportFragmentManager();
if (fm.getBackStackEntryCount() > 0) {
super.onBackPressed();
} else if (contentFragment instanceof ProductListFragment || fm.getBackStackEntryCount() == 0) {
finish();
}
}
public void clearBackStack() {
FragmentManager manager = getSupportFragmentManager();
if (manager.getBackStackEntryCount() > 0) {
FragmentManager.BackStackEntry first = manager.getBackStackEntryAt(0);
manager.popBackStack(first.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemId = item.getItemId();
if (itemId == android.R.id.home) {
FragmentManager fm = getSupportFragmentManager();
if (fm.getBackStackEntryCount() > 0) {
fm.popBackStack();
setupBaseLayout();
return true;
}
} else if (itemId == R.id.menu_search) {
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
if (mSearchFragment == null) {
mSearchFragment = ThemeSearchFragment.newInstance();
}
ft.add(R.id.theme_browser_container, mSearchFragment, ThemeSearchFragment.TAG);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.addToBackStack(null);
ft.commit();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onBackPressed() {
FragmentManager manager = getSupportFragmentManager();
long currentTimeMillis = System.currentTimeMillis();
if (manager.getBackStackEntryCount() == 0) {
boolean shouldExit = ((currentTimeMillis - lastBackPressTime) / 1000) < 3000;
if (shouldExit) {
super.onBackPressed();
} else {
Toast.makeText(this, "Press back again to exit", Toast.LENGTH_LONG).show();
}
} else {
// If there are back-stack entries, leave the FragmentActivity
// implementation take care of them.
// super.onBackPressed();
manager.popBackStack();
if (preTitle1 != null) {
tv_thu_menu.setText(preTitle1);
preTitle1 = null;
} else if (preTitle != null) {
tv_thu_menu.setText(preTitle);
if (preTitle.equalsIgnoreCase(weekDay)) {
tv_ngay_menu.setVisibility(View.VISIBLE);
} else {
tv_ngay_menu.setVisibility(View.GONE);
}
preTitle = null;
}
}
lastBackPressTime = currentTimeMillis;
}
@Override
public void onBackPressed() {
if (fragmentManager.getBackStackEntryCount() > 0) {
fragmentManager.popBackStackImmediate();
return;
}
super.onBackPressed();
}
private void pushBackStackEntry() {
if (mBackStackLevel != null) {
return;
}
FragmentManager fragMan = getFragmentManager();
mBackStackLevel = fragMan.getBackStackEntryCount();
fragMan.beginTransaction().addToBackStack(BACK_STACK_INPUT).commit();
fragMan.addOnBackStackChangedListener(this);
}
private void clearBackStack() {
FragmentManager fragmentManager = MainActivity.getInstance().getSupportFragmentManager();
int count = fragmentManager.getBackStackEntryCount();
if (count > 0) {
BackStackEntry entry = fragmentManager.getBackStackEntryAt(0);
fragmentManager.popBackStack(entry.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
popAllFragment();
}
}
@Override
public void onBackPressed() {
if (drawer.isDrawerOpen()) {
drawer.closeDrawer();
} else if (!curFrag.onBackPressed()) {
if (fragmentManager.getBackStackEntryCount() == 0) drawer.openDrawer();
else super.onBackPressed();
}
}
@Override
public void onBackPressed() {
FragmentManager fragmentManager = getSupportFragmentManager();
if (fragmentManager.getBackStackEntryCount() > 0) {
fragmentManager.popBackStack();
} else {
super.onBackPressed();
}
}
@Override
public void switchToWelcome() {
for (int i = 0; i < fm.getBackStackEntryCount(); ++i) {
fm.popBackStack();
}
Intent intent = new Intent(this, WelcomeActivity.class);
startActivity(intent);
}
@Override
public void onBackStackChanged() {
FragmentManager fragMan = getFragmentManager();
if (mBackStackLevel != null && fragMan.getBackStackEntryCount() == mBackStackLevel) {
fragMan.removeOnBackStackChangedListener(this);
switchState(BackupCodeState.STATE_DISPLAY, true);
mBackStackLevel = null;
}
}
// 返回键返回事件
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (KeyEvent.KEYCODE_BACK == keyCode) {
if (mFragmentManager.getBackStackEntryCount() == 1) {
finish();
return true;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
public void customOnNavigateUp() {
final FragmentManager manager = getSupportFragmentManager();
if (manager.getBackStackEntryCount() == 0) {
NavUtils.navigateUpFromSameTask(this);
return;
}
manager.popBackStack();
}
// 切界面
public void changeFrament(Fragment fragment, Bundle bundle, String tag) {
for (int i = 0, count = fragmentManager.getBackStackEntryCount(); i < count; i++) {
fragmentManager.popBackStack();
}
FragmentTransaction fg = fragmentManager.beginTransaction();
fragment.setArguments(bundle);
fg.add(R.id.fragmentRootLinearLayout, fragment, tag);
fg.addToBackStack(tag);
fg.commitAllowingStateLoss();
}
private void popFragmentStack() {
if (((MainActivity) getActivity()).getOnKeyBackPressedListener() instanceof FanFragment) {
if (mFM.getBackStackEntryCount() > 0) {
mFM.popBackStack();
} else {
MainActivity activity = (MainActivity) getActivity();
activity.setOnKeyBackPressedListener(null);
activity.onBackPressed();
}
}
}
public void clearTop() {
FragmentManager fm = getSupportFragmentManager();
if (fm.getBackStackEntryCount() > 0)
try {
fm.popBackStackImmediate(
fm.getBackStackEntryAt(0).getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
} catch (IllegalStateException e) {
// Random error clearing to top. Not critical if this did not succeed, no need to crash.
if (ConnectedApp.DEBUG) throw e;
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
FragmentManager fragmentManager = getSupportFragmentManager();
if (fragmentManager.getBackStackEntryCount() > 1) {
fragmentManager.popBackStack();
return false;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
public void onNavigationDrawerItemSelected(int position) {
FragmentManager fragmentManager = getSupportFragmentManager();
Fragment nextFragment;
// Bug Fix: if the last fragment was the movie detail frag and you are in portrait mode on a
// tablet clicking on the list view item will only reload the detail fragment
if (fragmentManager.getBackStackEntryCount() != 0) {
FragmentManager.BackStackEntry fragEntry =
fragmentManager.getBackStackEntryAt(fragmentManager.getBackStackEntryCount() - 1);
if (fragEntry != null) {
String fragName = fragEntry.getName();
if (fragName != null && fragName.equalsIgnoreCase("Book Detail")) {
int currentOrientation = getResources().getConfiguration().orientation;
if (currentOrientation == Configuration.ORIENTATION_PORTRAIT) {
getSupportFragmentManager().popBackStackImmediate();
}
}
}
}
switch (position) {
default:
case 0:
nextFragment = new ListOfBooks();
break;
case 1:
nextFragment = new AddBook();
break;
case 2:
nextFragment = new About();
break;
}
fragmentManager
.beginTransaction()
.replace(R.id.container, nextFragment)
.addToBackStack((String) title)
.commit();
}
// ======================== FRAGMENT CALLBACKS ====================
@Override
public void onBackStackChanged() {
boolean canback = fragmentManager.getBackStackEntryCount() > 0;
getSupportActionBar().setDisplayHomeAsUpEnabled(canback);
Log.d("", "onBackStackChanged");
if (!canback) {
TextView tv =
(TextView) getSupportActionBar().getCustomView().findViewById(R.id.action_bar_title);
tv.setText("Albums");
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
if (HAS_ACTIONBAR) {
boolean hasBackStack = mFragmentManager.getBackStackEntryCount() > 0;
ActionBar actionBar = getActionBar();
actionBar.setDisplayHomeAsUpEnabled(hasBackStack);
actionBar.setHomeButtonEnabled(hasBackStack);
}
return true;
}
public void clear() {
FragmentElement fragmentElement = popInternal();
while (fragmentElement != null) {
hide(fragmentElement.getFragment());
fragmentElement = popInternal();
}
int backStackSize = fm.getBackStackEntryCount();
for (int i = 0; i < backStackSize; i++) {
fm.popBackStack();
}
}
@Override
public void onBackPressed() {
FragmentManager fm = getSupportFragmentManager();
if (mMenuDrawer.isMenuVisible()) {
super.onBackPressed();
} else if (fm.getBackStackEntryCount() > 0) {
fm.popBackStack();
setupBaseLayout();
} else {
super.onBackPressed();
}
}
@Override
public void onBackStackChanged() {
mPath = EXTERNAL_BASE_PATH;
int count = mFragmentManager.getBackStackEntryCount();
if (count > 0) {
BackStackEntry fragment = mFragmentManager.getBackStackEntryAt(count - 1);
mPath = fragment.getName();
}
setTitle(mPath);
}
private void checkBackStack() {
int stackHeight = mFM.getBackStackEntryCount();
if (stackHeight
> 0) { // if we have something on the stack (doesn't include the current shown fragment)
((MainActivity) getActivity()).getSupportActionBar().setHomeButtonEnabled(true);
((MainActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
actionSearch.setVisibility(View.GONE);
} else {
((MainActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(false);
((MainActivity) getActivity()).getSupportActionBar().setHomeButtonEnabled(false);
actionSearch.setVisibility(View.VISIBLE);
}
}
@Override
public void onBackPressed() {
if (binding.drawer.isDrawerOpen(GravityCompat.START)) {
binding.drawer.closeDrawer(GravityCompat.START);
return;
}
FragmentManager fm = getSupportFragmentManager();
if (fm.getBackStackEntryCount() > 0) {
fm.popBackStack();
return;
}
super.onBackPressed();
}
@Override
public void onBack() {
if (((MainActivity) getActivity()).getOnKeyBackPressedListener()
instanceof NotificationFragment) {
if (mFM.getBackStackEntryCount() > 0) {
mFM.popBackStack();
} else {
MainActivity activity = (MainActivity) getActivity();
activity.setOnKeyBackPressedListener(null);
activity.onBackPressed();
}
}
}
@Override
public void onBackStackChanged() {
int count = mFragmentManager.getBackStackEntryCount();
if (count > 0) {
FragmentManager.BackStackEntry fragment = mFragmentManager.getBackStackEntryAt(count - 1);
mPath = fragment.getName();
} else {
mPath = EXTERNAL_BASE_PATH;
}
setTitle(mPath);
if (HAS_ACTIONBAR) invalidateOptionsMenu();
}
@Override
public void popFragment() throws Exception {
boolean isLast = false;
FragmentManager fm = getSupportFragmentManager();
if (fm.getBackStackEntryAt(fm.getBackStackEntryCount() - 1)
.getName()
.equals(FIRST_POPOVER_FRAGMENT_FLAG)) {
isLast = true;
}
fm.popBackStack();
if (isLast) {
viewHolder.showHideExtendFragment(View.GONE);
}
}
private void onSessionStateChange(Session session, SessionState state, Exception exception) {
if (isResumed) {
FragmentManager manager = getSupportFragmentManager();
int backStackSize = manager.getBackStackEntryCount();
for (int i = 0; i < backStackSize; i++) {
manager.popBackStack();
}
if (state.isOpened()) {
showFragment(SELECTION, false);
} else if (state.isClosed()) {
showFragment(SPLASH, false);
}
}
}
@Override
public void goBack() {
FragmentManager fragmentManager = getSupportFragmentManager();
if (mDisplayMode == DisplayMode.MESSAGE_VIEW) {
showMessageList();
} else if (fragmentManager.getBackStackEntryCount() > 0) {
fragmentManager.popBackStack();
} else if (mMessageListFragment.isManualSearch()) {
finish();
} else if (!mSingleFolderMode) {
onAccounts();
} else {
onShowFolderList();
}
}
