Example usage for android.support.v4.app FragmentManager getBackStackEntryCount

Introduction

In this page you can find the example usage for android.support.v4.app FragmentManager getBackStackEntryCount.

Prototype

public abstract int getBackStackEntryCount();

Source Link

Document

Return the number of entries currently in the back stack.

Usage

From source file:poche.fm.potunes.ActionBarCastActivity.java

@Override
public void onBackPressed() {
    if (result != null && result.isDrawerOpen()) {
        result.closeDrawer();/* w  ww .  j  a  va 2 s  .co  m*/
    } else {
        // If the drawer is open, back will close it
        // Otherwise, it may return to the previous fragment stack
        FragmentManager fragmentManager = getSupportFragmentManager();
        if (fragmentManager.getBackStackEntryCount() > 0) {
            fragmentManager.popBackStackImmediate();
        } else {
            // Lastly, it will rely on the system behavior for back
            moveTaskToBack(true);
        }
    }

}

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From source file:com.recurly.androidsdk.BaseActivity.java

public BaseFragment pushFragment(Class fragmentClass) {

    FragmentManager fragmentManager = getSupportFragmentManager();

    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();

    BaseFragment currentFragment = (BaseFragment) fragmentManager
            .findFragmentByTag("" + fragmentManager.getBackStackEntryCount());

    BaseFragment fragment = makeInstance(fragmentClass);

    if (currentFragment != null) {
        fragmentTransaction.hide(currentFragment);
    }/*from   ww  w. j  a v a 2  s. com*/
    fragmentTransaction.add(R.id.container, fragment, "" + (fragmentManager.getBackStackEntryCount() + 1));

    // add new fragment to the back stack
    fragmentTransaction.addToBackStack(fragmentClass.getName());

    fragmentTransaction.commit();

    return fragment;
}

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From source file:org.mariotaku.twidere.activity.DualPaneActivity.java

@Override
protected void onStart() {
    final FragmentManager fm = getSupportFragmentManager();
    if (!isDualPaneMode() && !FragmentManagerTrojan.isStateSaved(fm)) {
        final int count = fm.getBackStackEntryCount();
        for (int i = 0; i < count; i++) {
            fm.popBackStackImmediate();/*w  w w  . jav  a2  s  .  c o  m*/
        }
    }
    super.onStart();
    final boolean dual_pane_in_portrait = mPreferences.getBoolean(PREFERENCE_KEY_DUAL_PANE_IN_PORTRAIT, false);
    final boolean dual_pane_in_landscape = mPreferences.getBoolean(PREFERENCE_KEY_DUAL_PANE_IN_LANDSCAPE,
            false);
    final Resources res = getResources();
    final int orientation = res.getConfiguration().orientation;
    switch (orientation) {
    case Configuration.ORIENTATION_LANDSCAPE:
        if (mDualPaneInLandscape != dual_pane_in_landscape) {
            restart();
        }
        break;
    case Configuration.ORIENTATION_PORTRAIT:
        if (mDualPaneInPortrait != dual_pane_in_portrait) {
            restart();
        }
        break;
    }
}

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From source file:com.cw.litenote.drawer.Drawer.java

public Drawer(AppCompatActivity activity) {
    drawerLayout = (DrawerLayout) activity.findViewById(R.id.drawer_layout);

    mNavigationView = (NavigationView) activity.findViewById(R.id.nav_view);
    mNavigationView.setItemIconTintList(null);// use original icon color

    // set icon for folder draggable: portrait
    if (Util.isPortraitOrientation(MainAct.mAct) && (MainAct.mPref_show_note_attribute != null)) {
        if (MainAct.mPref_show_note_attribute.getString("KEY_ENABLE_FOLDER_DRAGGABLE", "no")
                .equalsIgnoreCase("yes"))
            mNavigationView.getMenu().findItem(R.id.ENABLE_FOLDER_DRAG_AND_DROP)
                    .setIcon(R.drawable.btn_check_on_holo_light);
        else//  ww w  . j a v  a 2 s  . com
            mNavigationView.getMenu().findItem(R.id.ENABLE_FOLDER_DRAG_AND_DROP)
                    .setIcon(R.drawable.btn_check_off_holo_light);
    }

    mNavigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
        @Override
        public boolean onNavigationItemSelected(MenuItem menuItem) {

            menuItem.setChecked(true);
            switch (menuItem.getItemId()) {
            case R.id.ADD_NEW_FOLDER:
                FolderUi.renewFirstAndLast_folderId();
                FolderUi.addNewFolder(MainAct.mAct, FolderUi.mLastExist_folderTableId + 1,
                        MainAct.mFolder.getAdapter());
                return true;

            case R.id.ENABLE_FOLDER_DRAG_AND_DROP:
                if (MainAct.mPref_show_note_attribute.getString("KEY_ENABLE_FOLDER_DRAGGABLE", "no")
                        .equalsIgnoreCase("yes")) {
                    menuItem.setIcon(R.drawable.btn_check_off_holo_light);
                    MainAct.mPref_show_note_attribute.edit().putString("KEY_ENABLE_FOLDER_DRAGGABLE", "no")
                            .apply();
                    DragSortListView listView = (DragSortListView) act.findViewById(R.id.drawer_listview);
                    listView.setDragEnabled(false);
                    Toast.makeText(act,
                            act.getResources().getString(R.string.drag_folder) + ": "
                                    + act.getResources().getString(R.string.set_disable),
                            Toast.LENGTH_SHORT).show();
                } else {
                    menuItem.setIcon(R.drawable.btn_check_on_holo_light);
                    MainAct.mPref_show_note_attribute.edit().putString("KEY_ENABLE_FOLDER_DRAGGABLE", "yes")
                            .apply();
                    DragSortListView listView = (DragSortListView) act.findViewById(R.id.drawer_listview);
                    listView.setDragEnabled(true);
                    Toast.makeText(act,
                            act.getResources().getString(R.string.drag_folder) + ": "
                                    + act.getResources().getString(R.string.set_enable),
                            Toast.LENGTH_SHORT).show();
                }
                MainAct.mFolder.getAdapter().notifyDataSetChanged();
                act.invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
                return true;

            case R.id.DELETE_FOLDERS:

                DB_drawer dB_drawer = new DB_drawer(act);
                if (dB_drawer.getFoldersCount(true) > 0) {
                    closeDrawer();
                    MainAct.mMenu.setGroupVisible(R.id.group_notes, false); //hide the menu
                    DeleteFolders delFoldersFragment = new DeleteFolders();
                    MainAct.mFragmentTransaction = MainAct.mAct.getSupportFragmentManager().beginTransaction();
                    MainAct.mFragmentTransaction.setCustomAnimations(R.anim.fragment_slide_in_left,
                            R.anim.fragment_slide_out_left, R.anim.fragment_slide_in_right,
                            R.anim.fragment_slide_out_right);
                    MainAct.mFragmentTransaction.replace(R.id.content_frame, delFoldersFragment)
                            .addToBackStack("delete_folders").commit();
                } else {
                    Toast.makeText(act, R.string.config_export_none_toast, Toast.LENGTH_SHORT).show();
                }
                return true;

            default:
                return true;
            }
        }
    });

    act = activity;
    listView = (DragSortListView) act.findViewById(R.id.drawer_listview);
    // ActionBarDrawerToggle ties together the the proper interactions
    // between the sliding drawer and the action bar app icon
    drawerToggle = new ActionBarDrawerToggle(act, /* host Activity */
            drawerLayout, /* DrawerLayout object */
            MainAct.mToolbar, /* tool bar */
            R.string.drawer_open, /* "open drawer" description for accessibility */
            R.string.drawer_close /* "close drawer" description for accessibility */
    ) {
        public void onDrawerOpened(View drawerView) {
            System.out.println("Drawer / _onDrawerOpened ");

            if (act.getSupportActionBar() != null) {
                act.getSupportActionBar().setTitle(R.string.app_name);
                MainAct.mToolbar.setLogo(R.drawable.ic_launcher);
            }

            act.invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()

            if (listView.getCount() > 0) {
                // will call Folder_adapter _getView to update audio playing high light
                listView.invalidateViews();
            }
        }

        public void onDrawerClosed(View view) {
            System.out.println("Drawer / _onDrawerClosed / FolderUi.getFocus_folderPos() = "
                    + FolderUi.getFocus_folderPos());

            FragmentManager fragmentManager = act.getSupportFragmentManager();
            if (fragmentManager.getBackStackEntryCount() == 0) {
                act.invalidateOptionsMenu(); // creates a call to onPrepareOptionsMenu()

                DB_drawer dB_drawer = new DB_drawer(act);
                if (dB_drawer.getFoldersCount(true) > 0) {
                    int pos = listView.getCheckedItemPosition();
                    MainAct.mFolderTitle = dB_drawer.getFolderTitle(pos, true);

                    if (act.getSupportActionBar() != null) {
                        act.getSupportActionBar().setTitle(MainAct.mFolderTitle);
                        MainAct.mToolbar.setLogo(null);
                    }
                }

                MainAct.openFolder();
            }
        }
    };
}

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From source file:sample.multithreading.DownloaderActivity.java

/**
 * This works with the compatible action bar as well as with menus on
 * pre-Honeycomb devices.//from  ww w . j av  a 2s. com
 */
@Override
public boolean onOptionsItemSelected(MenuItem paramMenuItem) {
    switch (paramMenuItem.getItemId()) {
    case android.R.id.home: {
        FragmentManager localFragmentManager = getSupportFragmentManager();
        int count = localFragmentManager.getBackStackEntryCount();
        if (count > 0) {
            localFragmentManager.popBackStack();
        }
    }
    default:
        return super.onOptionsItemSelected(paramMenuItem);
    }
}

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From source file:com.inter.trade.ui.fragment.buylicensekey.BuyLicenseKeyBindFragment.java

/**
 * ?????  BuyLicenseKeyMainFragment//w w  w.j  ava  2 s.  c om
 */
private void goBack() {
    if (getActivity() == null) {
        Logger.d(TAG, "goBack()-->getActivity()==null");
        return;
    }

    FragmentManager manager = getActivity().getSupportFragmentManager();

    if (manager == null) {
        Logger.d(TAG, "goBack()-->getSupportFragmentManager()==null");
        return;
    }

    int len = manager.getBackStackEntryCount();
    if (len > 0) {
        manager.popBackStack();
    }
}

---

From source file:sample.multithreading.DownloaderActivity.java

@Override
public void onBackStackChanged() {
    int previousStackCount = mPreviousStackCount;
    FragmentManager localFragmentManager = getSupportFragmentManager();
    int currentStackCount = localFragmentManager.getBackStackEntryCount();
    mPreviousStackCount = currentStackCount;
    boolean popping = currentStackCount < previousStackCount;
    Log.d(LOG_TAG, "backstackchanged: popping = " + popping);
    if (popping) {
        setFullScreen(false);//w ww .  j  a v  a  2  s. c o m
    }
}

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From source file:org.jnrain.mobile.ui.MainActivity.java

@Override
public void onBackPressed() {
    FragmentManager fm = getSupportFragmentManager();
    int fragCount = fm.getBackStackEntryCount();

    Log.d(TAG, "[onBackPressed] getBackStackEntryCount() = " + Integer.toString(fragCount));

    if (fragCount > 0) {
        // navigate to previous fragment
        fm.popBackStack();//w w  w .ja  v  a2s  . c om

        // update SlidingMenu Back behavior
        if (fragCount == 1) {
            // we've just popped the last entry, restore to
            // BACK_TO_MENU
            setBackAction(SlidingActivityBackAction.BACK_TO_MENU);
        }

        return;
    }

    super.onBackPressed();
}

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From source file:org.dmfs.android.microfragments.transitions.BackTransition.java

@Override
public void prepare(@NonNull Context context, @NonNull FragmentManager fragmentManager,
        @NonNull MicroFragmentHost host, @NonNull MicroFragment<?> previousStep) {
    boolean result = fragmentManager.popBackStackImmediate();
    // make sure we also skip all skipable steps.
    if (result && fragmentManager.getBackStackEntryCount() > 0 && "skip".equals(
            fragmentManager.getBackStackEntryAt(fragmentManager.getBackStackEntryCount() - 1).getName())) {
        fragmentManager.popBackStackImmediate("skip", FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }/*from  www. j  ava  2  s .c o m*/

    mResponseCage.pigeon(result).send(context);
}

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From source file:net.peterkuterna.android.apps.devoxxfrsched.ui.tablet.ScheduleMultiPaneActivity.java

@Override
public void onBeforeCommitReplaceFragment(FragmentManager fm, FragmentTransaction ft, Fragment fragment) {
    super.onBeforeCommitReplaceFragment(fm, ft, fragment);

    if (fragment instanceof SessionsFragment) {
        fm.popBackStack();/*  w w  w . jav a 2  s.c  o  m*/
    } else if (fragment instanceof SessionDetailFragment) {
        if (fm.getBackStackEntryCount() > 0) {
            fm.popBackStack();
        }
        ft.addToBackStack(null);
    }
    updateBreadCrumb();
}

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