Example usage for android.app FragmentTransaction commit

List of usage examples for android.app FragmentTransaction commit

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  2. Java
  3. android
  4. android.app.*
  5. FragmentTransaction
  6. commit

Introduction

In this page you can find the example usage for android.app FragmentTransaction commit.

Prototype

public abstract int commit();

Source Link

Document

Schedules a commit of this transaction.

Usage

From source file:com.android.purenexussettings.TinkerActivity.java

private void displayView(int position) {
    // before anything else - check to see if position matches intent-launching "frags" - for example
    // if ( navMenuTitles[position].equals("TARGETNAME") ) { position = 0; do something}
    boolean mKeepStack = checkPosition(position);

    // update the main content by replacing fragments
    Fragment frags = null;//from  ww w.j av a2s.  c o  m
    String fragname = navMenuFrags[position];
    try {
        frags = (Fragment) Class.forName(mPackageName + "." + fragname).newInstance();
    } catch (Exception e) {
        frags = null;
    }
    if (frags != null) {
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);

        try {
            FragmentTransaction fragtrans = fragmentManager.beginTransaction();
            if (mFromClick || mMenu || mBackPress) {
                fragtrans.setCustomAnimations(R.anim.fadein, R.anim.fadeout, R.anim.fadein, R.anim.fadeout);
            }
            fragtrans.add(R.id.frame_container, frags);
            // The backstack should be cleared if not coming from a fragment flagged as stack keeping or from a backpress
            // After clearing the only entry should be About/main
            if (!mKeepStack && !mBackPress) {
                fragmentStack.clear();
                fragmentStack.push(navMenuFrags[0]);
            }
            // add fragment name to custom stack for backstack tracking
            // only do it if not a backpress, flagged as stack keeping, or dup of last entry
            if (!mBackPress && !mKeepStack
                    && !(fragmentStack.size() >= 1 && fragmentStack.peek().equals(navMenuFrags[position]))) {
                fragmentStack.push(navMenuFrags[position]);
            }

            fragtrans.commit();
        } catch (Exception e) {
        }

        // update selected item and title, then close the drawer
        if (mFromClick || mBackPress) {
            mFromClick = false;
            mBackPress = false;
        } else {
            setTitle(navMenuTitles[position]);
            if (mMenu) {
                mMenu = false;
                mItemPosition = position;
            } else {
                mDrawerLayout.closeDrawer(mNavView);
            }
        }
        invalidateOptionsMenu(); // calls onPrepareOptionsMenu()
    } else {
        // error in creating fragment
        Log.e("TinkerActivity", "Error in creating fragment");
    }
}

From source file:com.android.dialer.DialtactsActivity.java

/**
 * Initiates a fragment transaction to show the dialpad fragment. Animations and other visual
 * updates are handled by a callback which is invoked after the dialpad fragment is shown.
 * @see #onDialpadShown/*  ww  w .  j  a v  a 2s .c om*/
 */
private void showDialpadFragment(boolean animate) {
    if (mIsDialpadShown || mStateSaved) {
        return;
    }
    mIsDialpadShown = true;

    mListsFragment.setUserVisibleHint(false);

    final FragmentTransaction ft = getFragmentManager().beginTransaction();
    if (mDialpadFragment == null) {
        mDialpadFragment = new DialpadFragment();
        ft.add(R.id.dialtacts_container, mDialpadFragment, TAG_DIALPAD_FRAGMENT);
    } else {
        ft.show(mDialpadFragment);
    }

    mDialpadFragment.setAnimate(animate);
    Logger.logScreenView(ScreenEvent.DIALPAD, this);
    ft.commit();

    if (animate) {
        mFloatingActionButtonController.scaleOut();
    } else {
        mFloatingActionButtonController.setVisible(false);
        maybeEnterSearchUi();
    }
    mActionBarController.onDialpadUp();

    mListsFragment.getView().animate().alpha(0).withLayer();

    //adjust the title, so the user will know where we're at when the activity start/resumes.
    setTitle(R.string.launcherDialpadActivityLabel);
}

From source file:com.geecko.QuickLyric.MainActivity.java

private LyricsViewFragment init(FragmentManager fragmentManager, boolean startEmpty) {
    LyricsViewFragment lyricsViewFragment = (LyricsViewFragment) fragmentManager
            .findFragmentByTag(LYRICS_FRAGMENT_TAG);
    if (lyricsViewFragment == null || lyricsViewFragment.isDetached())
        lyricsViewFragment = new LyricsViewFragment();
    lyricsViewFragment.startEmpty(startEmpty);
    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
    fragmentTransaction.setCustomAnimations(R.animator.slide_in_end, R.animator.slide_out_start,
            R.animator.slide_in_start, R.animator.slide_out_end);
    if (!lyricsViewFragment.isAdded()) {
        fragmentTransaction.add(id.main_fragment_container, lyricsViewFragment, LYRICS_FRAGMENT_TAG);
    }//  www. java  2  s.  com

    Fragment[] activeFragments = getActiveFragments();
    displayedFragment = getDisplayedFragment(activeFragments);

    for (Fragment fragment : activeFragments)
        if (fragment != null) {
            if (fragment != displayedFragment && !fragment.isHidden()) {
                fragmentTransaction.hide(fragment);
                fragment.onHiddenChanged(true);
            } else if (fragment == displayedFragment)
                fragmentTransaction.show(fragment);
        }
    fragmentTransaction.commit();
    return lyricsViewFragment;
}

From source file:itcr.gitsnes.MainActivity.java

/**
 * OnCreate methods do that things://  w ww . j  a  v  a2  s .  com
 *      - Inflate Login formulary frame (hide action bar)
 *      - Init Accelerometer intent (onShake)
 *      - Create login method (auth with FB)
 *      - Handle exceptions of previously methods
 */
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    /* -- Shows action bar and inflate main Listview from JSON (see BackendHandler) --- */
    getActionBar().hide();
    setContentView(R.layout.activity_main);
    FragmentManager fm = getFragmentManager();
    FragmentTransaction transaction = fm.beginTransaction();

    /* Add transaction and login FB intent to mainActivity*/
    Login login = new Login();
    transaction.add(R.id.placeholder, login).commit();

    /* Init shake sensor and create event to get random game from DB (Backend on app-engine)*/
    mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
    mAccelerometer = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    mShakeDetector = new ShakeDetector();
    mShakeDetector.setOnShakeListener(new ShakeDetector.OnShakeListener() {

        @Override
        public void onShake(int count) {
            /* Inflate random-game detail */
            Toast.makeText(getApplicationContext(), "Buscando juego aleatorio!!", Toast.LENGTH_SHORT).show();
            MasterGames new_fragment = new MasterGames(json_arr);
            new_fragment.setRandomgame("random");
            FragmentTransaction transaction = getFragmentManager().beginTransaction();
            transaction.replace(R.id.placeholder, new_fragment);
            transaction.addToBackStack(null);
            transaction.commit();

        }
    });

    mSensorManager.registerListener(mShakeDetector, mAccelerometer, SensorManager.SENSOR_DELAY_UI);

    /*Initialize FB API helper methods and listen callback from fb_loginbutton*/

    uiHelper = new UiLifecycleHelper(this, callback);
    uiHelper.onCreate(savedInstanceState);
    authButton = (LoginButton) findViewById(R.id.authButton);
    authButton.setOnErrorListener(new LoginButton.OnErrorListener() {
        @Override
        public void onError(FacebookException error) {
            Log.i(TAG, "Error " + error.getMessage());
        }
    });

    /*Obtaining data from successfully FB API callback using GraphUser*/
    authButton.setReadPermissions(Arrays.asList("email"));
    authButton.setSessionStatusCallback(new Session.StatusCallback() {

        @Override
        public void call(Session session, SessionState state, Exception exception) {
            Log.i(TAG, "Accesssss Token");
            if (session.isOpened()) {
                Log.i(TAG, "Access Token" + session.getAccessToken());
                Request.executeMeRequestAsync(session, new Request.GraphUserCallback() {
                    @Override
                    public void onCompleted(GraphUser user, Response response) {
                        if (user != null) {
                            Log.i(TAG, "User ID " + user.getId());
                            Log.i(TAG, "Email " + user.asMap().get("email"));
                            /* Inflate main-Listview from JSON (see BackendHandler) and saving current user*/
                            back_stage();
                            getActionBar().show();
                            KS.setCurrent_user(user.asMap().get("email").toString());
                            Toast.makeText(getApplicationContext(), "Welcome!! " + KS.getCurrent_user(),
                                    Toast.LENGTH_SHORT).show();
                            new BackendHandler().sendUser(KS.getCurrent_user(),
                                    user.asMap().get("email").toString());
                            //lblEmail.setText(user.asMap().get("email").toString());
                        }
                    }
                });
            } else
                Log.i(TAG, "Nopes Token");
        }
    });
}

From source file:com.android.calendar.AllInOneActivity.java

@Override
public void handleEvent(EventInfo event) {
    long displayTime = -1;
    if (event.eventType == EventType.GO_TO) {
        if ((event.extraLong & CalendarController.EXTRA_GOTO_BACK_TO_PREVIOUS) != 0) {
            mBackToPreviousView = true;/*from   www  .j a  v  a  2 s . c o  m*/
        } else if (event.viewType != mController.getPreviousViewType() && event.viewType != ViewType.EDIT) {
            // Clear the flag is change to a different view type
            mBackToPreviousView = false;
        }

        setMainPane(null, R.id.main_pane, event.viewType, event.startTime.toMillis(false), false);
        if (mSearchView != null) {
            mSearchView.clearFocus();
        }
        if (mShowCalendarControls) {
            int animationSize = (mOrientation == Configuration.ORIENTATION_LANDSCAPE) ? mControlsAnimateWidth
                    : mControlsAnimateHeight;
            boolean noControlsView = event.viewType == ViewType.MONTH || event.viewType == ViewType.AGENDA;
            if (mControlsMenu != null) {
                mControlsMenu.setVisible(!noControlsView);
                mControlsMenu.setEnabled(!noControlsView);
            }
            if (noControlsView || mHideControls) {
                // hide minimonth and calendar frag
                mShowSideViews = false;
                if (!mHideControls) {
                    final ObjectAnimator slideAnimation = ObjectAnimator.ofInt(this, "controlsOffset", 0,
                            animationSize);
                    slideAnimation.addListener(mSlideAnimationDoneListener);
                    slideAnimation.setDuration(mCalendarControlsAnimationTime);
                    ObjectAnimator.setFrameDelay(0);
                    slideAnimation.start();
                } else {
                    mMiniMonth.setVisibility(View.GONE);
                    mCalendarsList.setVisibility(View.GONE);
                    mMiniMonthContainer.setVisibility(View.GONE);
                }
            } else {
                // show minimonth and calendar frag
                mShowSideViews = true;
                mMiniMonth.setVisibility(View.VISIBLE);
                mCalendarsList.setVisibility(View.VISIBLE);
                mMiniMonthContainer.setVisibility(View.VISIBLE);
                if (!mHideControls && (mController.getPreviousViewType() == ViewType.MONTH
                        || mController.getPreviousViewType() == ViewType.AGENDA)) {
                    final ObjectAnimator slideAnimation = ObjectAnimator.ofInt(this, "controlsOffset",
                            animationSize, 0);
                    slideAnimation.setDuration(mCalendarControlsAnimationTime);
                    ObjectAnimator.setFrameDelay(0);
                    slideAnimation.start();
                }
            }
        }
        displayTime = event.selectedTime != null ? event.selectedTime.toMillis(true)
                : event.startTime.toMillis(true);
        if (!mIsTabletConfig) {
            refreshActionbarTitle(displayTime);
        }
    } else if (event.eventType == EventType.VIEW_EVENT) {

        // If in Agenda view and "show_event_details_with_agenda" is "true",
        // do not create the event info fragment here, it will be created by the Agenda
        // fragment

        if (mCurrentView == ViewType.AGENDA && mShowEventDetailsWithAgenda) {
            if (event.startTime != null && event.endTime != null) {
                // Event is all day , adjust the goto time to local time
                if (event.isAllDay()) {
                    Utils.convertAlldayUtcToLocal(event.startTime, event.startTime.toMillis(false), mTimeZone);
                    Utils.convertAlldayUtcToLocal(event.endTime, event.endTime.toMillis(false), mTimeZone);
                }
                mController.sendEvent(this, EventType.GO_TO, event.startTime, event.endTime, event.selectedTime,
                        event.id, ViewType.AGENDA, CalendarController.EXTRA_GOTO_TIME, null, null);
            } else if (event.selectedTime != null) {
                mController.sendEvent(this, EventType.GO_TO, event.selectedTime, event.selectedTime, event.id,
                        ViewType.AGENDA);
            }
        } else {
            // TODO Fix the temp hack below: && mCurrentView !=
            // ViewType.AGENDA
            if (event.selectedTime != null && mCurrentView != ViewType.AGENDA) {
                mController.sendEvent(this, EventType.GO_TO, event.selectedTime, event.selectedTime, -1,
                        ViewType.CURRENT);
            }
            int response = event.getResponse();
            if ((mCurrentView == ViewType.AGENDA && mShowEventInfoFullScreenAgenda)
                    || ((mCurrentView == ViewType.DAY || (mCurrentView == ViewType.WEEK)
                            || mCurrentView == ViewType.MONTH) && mShowEventInfoFullScreen)) {
                // start event info as activity
                Intent intent = new Intent(Intent.ACTION_VIEW);
                Uri eventUri = ContentUris.withAppendedId(Events.CONTENT_URI, event.id);
                intent.setData(eventUri);
                intent.setClass(this, EventInfoActivity.class);
                intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_SINGLE_TOP);
                intent.putExtra(EXTRA_EVENT_BEGIN_TIME, event.startTime.toMillis(false));
                intent.putExtra(EXTRA_EVENT_END_TIME, event.endTime.toMillis(false));
                intent.putExtra(ATTENDEE_STATUS, response);
                startActivity(intent);
            } else {
                // start event info as a dialog
                EventInfoFragment fragment = new EventInfoFragment(this, event.id,
                        event.startTime.toMillis(false), event.endTime.toMillis(false), response, true,
                        EventInfoFragment.DIALOG_WINDOW_STYLE, null /* No reminders to explicitly pass in. */);
                fragment.setDialogParams(event.x, event.y, mActionBar.getHeight());
                FragmentManager fm = getFragmentManager();
                FragmentTransaction ft = fm.beginTransaction();
                // if we have an old popup replace it
                Fragment fOld = fm.findFragmentByTag(EVENT_INFO_FRAGMENT_TAG);
                if (fOld != null && fOld.isAdded()) {
                    ft.remove(fOld);
                }
                ft.add(fragment, EVENT_INFO_FRAGMENT_TAG);
                ft.commit();
            }
        }
        displayTime = event.startTime.toMillis(true);
    } else if (event.eventType == EventType.UPDATE_TITLE) {
        setTitleInActionBar(event);
        if (!mIsTabletConfig) {
            refreshActionbarTitle(mController.getTime());
        }
    }
    updateSecondaryTitleFields(displayTime);
}

From source file:com.concentricsky.android.khanacademy.app.VideoDetailActivity.java

private void createAndAttachCaptionFragment(int containerId) {
    FragmentTransaction tx = getFragmentManager().beginTransaction();

    if (captionFragment != null) {
        tx.remove(captionFragment);//from   ww  w .  j a v  a 2s  .  c  o  m
    }

    captionFragment = new CaptionFragment();
    Bundle args = new Bundle();
    if (video != null) {
        args.putString(Constants.PARAM_VIDEO_ID, video.getId());
        if (videoFragment != null) {
            args.putInt(PARAM_VIDEO_POSITION, videoFragment.getVideoPosition());
        }
    }
    // Set args even if empty to avoid possible NPE inside CaptionFragment.
    captionFragment.setArguments(args);
    captionFragment.registerCallbacks(this);

    tx.replace(containerId, captionFragment);
    tx.commit();
    // Force execute, so we can populateHeader afterward.
    getFragmentManager().executePendingTransactions();
}

From source file:com.concentricsky.android.khanacademy.app.VideoDetailActivity.java

private void setupUIForCurrentVideo() {
    if (videoFragment != null) {
        videoFragment.dispose();/* w  ww  .j  a  va  2 s. c  o  m*/
    }

    Bundle args = new Bundle();
    args.putString(Constants.PARAM_VIDEO_ID, videoId);

    videoFragment = new VideoFragment();
    videoFragment.registerCallbacks(this);
    videoFragment.setArguments(args);

    FragmentTransaction tx = getFragmentManager().beginTransaction().replace(R.id.video_fragment_container,
            videoFragment, TAG_VIDEO_FRAGMENT);

    currentOrientation = getResources().getConfiguration().orientation;
    onOrientationChanged(currentOrientation);

    if (isPortrait()) {
        captionFragment = new CaptionFragment();
        captionFragment.registerCallbacks(this);
        if (userVideo != null && userVideo.getUser() != null) {
            args.putInt(PARAM_USERVIDEO_POINTS, userVideo.getPoints());
        }
        captionFragment.setArguments(args);

        tx.replace(R.id.detail_bottom_container, captionFragment, TAG_CAPTION_FRAGMENT);
    }

    tx.commit();
}

From source file:org.symptomcheck.capstone.ui.SettingsActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mUser = DAOManager.get().getUser();/*from www  . j  a  v a  2s  .  c om*/

    setContentView(R.layout.activity_settings);

    toolbar = (Toolbar) findViewById(R.id.app_bar);
    setSupportActionBar(toolbar);
    toolbarTitle = (TextView) findViewById(R.id.txt_toolbar_title);
    mToolBarImageView = (ImageView) findViewById(R.id.imageToolBar);
    // enable ActionBar app icon to behave as action to toggle nav drawer
    if (getSupportActionBar() != null) {
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayShowTitleEnabled(false);
    }

    if (toolbarTitle != null)
        toolbarTitle.setText(getString(R.string.action_settings));
    // Display the fragment as the main content.
    if (mToolBarImageView != null) {
        mToolBarImageView.setVisibility(View.GONE);
        //mToolBarImageView.setOval(false);
        Picasso.with(this).load(R.drawable.ic_action_settings)
                //.resize(96, 96)
                //.centerCrop()
                //.transform(transformation)
                .into(mToolBarImageView);
    }
    // here we would customize Settings Screen according to User type (PATIENT, DOCTOR, ADMIN)
    FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
    if (mUser != null) {
        //TODO#BPR_1
        switch (mUser.getUserType()) {
        case PATIENT:
            fragmentTransaction
                    .replace(R.id.content_settings_checkin_reminder, new CheckInReminderPreferenceFragment()) //TODO#FDAR_2
                    .replace(R.id.content_settings_data_sync, new DataSyncPreferenceFragment())
                    .replace(R.id.content_settings_notification, new NotificationPreferenceFragment());
            break;
        case DOCTOR:
            fragmentTransaction.replace(R.id.content_settings_data_sync, new DataSyncPreferenceFragment())
                    .replace(R.id.content_settings_notification, new NotificationPreferenceFragment());
            break;
        case ADMIN:
            fragmentTransaction
                    .replace(R.id.content_settings_checkin_reminder, new CheckInReminderPreferenceFragment())
                    .replace(R.id.content_settings_data_sync, new DataSyncPreferenceFragment())
                    .replace(R.id.content_settings_notification, new NotificationPreferenceFragment());
            break;
        case UNKNOWN:
            fragmentTransaction.replace(R.id.content_settings_notification,
                    new NotificationPreferenceFragment());
            break;
        }
    } else {
        fragmentTransaction.replace(R.id.content_settings_notification, new NotificationPreferenceFragment());
    }
    fragmentTransaction.commit();
}

From source file:com.esri.android.mapsapp.MapFragment.java

/**
 * Opens the map represented by the specified portal item or if null, opens
 * a default map.// w ww .ja v a  2  s.  c  o m
 */
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();

    getActivity().invalidateOptionsMenu(); // reload the options menu
}

From source file:org.opendatakit.survey.android.activities.MainMenuActivity.java

public void swapToFragmentView(ScreenList newFragment) {
    WebLogger.getLogger(getAppName()).i(t, "swapToFragmentView: " + newFragment.toString());
    FragmentManager mgr = getFragmentManager();
    Fragment f;/*  w  ww  .  ja  v a2 s .co m*/
    if (newFragment == ScreenList.MAIN_SCREEN) {
        throw new IllegalStateException("unexpected reference to generic main screen");
    } else if (newFragment == ScreenList.CUSTOM_VIEW) {
        WebLogger.getLogger(getAppName()).w(t,
                "swapToFragmentView: changing navigation to move to WebKit (was custom view)");
        f = mgr.findFragmentById(WebViewFragment.ID);
        if (f == null) {
            f = new WebViewFragment();
        }
        newFragment = ScreenList.WEBKIT;
    } else if (newFragment == ScreenList.FORM_CHOOSER) {
        f = mgr.findFragmentById(FormChooserListFragment.ID);
        if (f == null) {
            f = new FormChooserListFragment();
        }
    } else if (newFragment == ScreenList.INITIALIZATION_DIALOG) {
        if (currentFragment == ScreenList.INITIALIZATION_DIALOG) {
            WebLogger.getLogger(getAppName()).e(t, "Unexpected: currentFragment == INITIALIZATION_DIALOG");
            return;
        } else {
            f = mgr.findFragmentById(InitializationFragment.ID);
            if (f == null) {
                f = new InitializationFragment();
            }
            ((InitializationFragment) f).setFragmentToShowNext(
                    (currentFragment == null) ? ScreenList.FORM_CHOOSER.name() : currentFragment.name());
        }
    } else if (newFragment == ScreenList.FORM_DELETER) {
        f = mgr.findFragmentById(FormDeleteListFragment.ID);
        if (f == null) {
            f = new FormDeleteListFragment();
        }
    } else if (newFragment == ScreenList.FORM_DOWNLOADER) {
        f = mgr.findFragmentById(FormDownloadListFragment.ID);
        if (f == null) {
            f = new FormDownloadListFragment();
        }
    } else if (newFragment == ScreenList.INSTANCE_UPLOADER_TABLE_CHOOSER) {
        f = mgr.findFragmentById(InstanceUploaderTableChooserListFragment.ID);
        if (f == null) {
            f = new InstanceUploaderTableChooserListFragment();
        }
    } else if (newFragment == ScreenList.INSTANCE_UPLOADER) {
        f = mgr.findFragmentById(InstanceUploaderListFragment.ID);
        if (f == null) {
            f = new InstanceUploaderListFragment();
        }
        ((InstanceUploaderListFragment) f).changeUploadTableId();
    } else if (newFragment == ScreenList.WEBKIT) {
        f = mgr.findFragmentById(WebViewFragment.ID);
        if (f == null) {
            f = new WebViewFragment();
        }
    } else if (newFragment == ScreenList.ABOUT_MENU) {
        f = mgr.findFragmentById(AboutMenuFragment.ID);
        if (f == null) {
            f = new AboutMenuFragment();
        }

    } else {
        throw new IllegalStateException("Unrecognized ScreenList type");
    }

    FrameLayout shadow = (FrameLayout) findViewById(R.id.shadow_content);
    View frags = findViewById(R.id.main_content);
    View wkt = findViewById(R.id.webkit_view);
    shadow.setVisibility(View.GONE);
    shadow.removeAllViews();
    if (newFragment == ScreenList.WEBKIT) {
        frags.setVisibility(View.GONE);
        wkt.setVisibility(View.VISIBLE);
        wkt.invalidate();
    } else {
        wkt.setVisibility(View.GONE);
        frags.setVisibility(View.VISIBLE);
    }

    currentFragment = newFragment;
    BackStackEntry entry = null;
    for (int i = 0; i < mgr.getBackStackEntryCount(); ++i) {
        BackStackEntry e = mgr.getBackStackEntryAt(i);
        if (e.getName().equals(currentFragment.name())) {
            entry = e;
            break;
        }
    }
    if (entry != null) {
        // flush backward, including the screen want to go back to
        mgr.popBackStackImmediate(currentFragment.name(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }

    // add transaction to show the screen we want
    FragmentTransaction trans = mgr.beginTransaction();
    trans.replace(R.id.main_content, f);
    trans.addToBackStack(currentFragment.name());
    trans.commit();

    // and see if we should re-initialize...
    if ((currentFragment != ScreenList.INITIALIZATION_DIALOG)
            && Survey.getInstance().shouldRunInitializationTask(getAppName())) {
        WebLogger.getLogger(getAppName()).i(t, "swapToFragmentView -- calling clearRunInitializationTask");
        // and immediately clear the should-run flag...
        Survey.getInstance().clearRunInitializationTask(getAppName());
        // OK we should swap to the InitializationFragment view
        swapToFragmentView(ScreenList.INITIALIZATION_DIALOG);
    } else {
        levelSafeInvalidateOptionsMenu();
    }
}