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:pl.openrnd.managers.fragmentsswapper.SingleContainerFragmentSwapper.java

private boolean findCurrentFragment() {
    mContentFragment = (F) getFragmentManager().findFragmentById(mInitializationParams.getContentFrame());

    if (mContentFragment != null) {
        mContentFragment.assignFragmentSwapper(this);
    }//from   w ww . ja  va2 s . co  m

    FragmentManager fragmentManager = getFragmentManager();
    int entryCount = fragmentManager.getBackStackEntryCount();
    Log.v(TAG, String.format("findCurrentFragment()... entries [%d]", entryCount));
    return mContentFragment != null;
}

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From source file:com.dwdesign.tweetings.activity.SearchActivity.java

@Override
public void onBackStackChanged() {
    super.onBackStackChanged();
    if (!isDualPaneMode())
        return;/*from  w w  w . j  a va2 s .  c o  m*/
    final FragmentManager fm = getSupportFragmentManager();
    final Fragment left_pane_fragment = fm.findFragmentById(PANE_LEFT);
    final boolean left_pane_used = left_pane_fragment != null && left_pane_fragment.isAdded();
    setPagingEnabled(!left_pane_used);
    final int count = fm.getBackStackEntryCount();
    if (mActionBar != null && mDisplayAppIcon) {
        mActionBar.setDisplayHomeAsUpEnabled(count > 0);
    }
    if (count == 0) {
        bringLeftPaneToFront();
    }
}

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From source file:pl.openrnd.managers.fragmentsswapper.SingleContainerFragmentSwapper.java

/**
 * Clears fragments back stack removing all fragments from the hierarchy.
 *///from  ww  w  . j a v  a  2s .  c  o m
public void clearStack() {
    mPopInProgress = true;
    setAnimationEnabled(false);

    FragmentManager fragmentManager = getFragmentManager();
    int entryCount = fragmentManager.getBackStackEntryCount();
    Log.v(TAG, String.format("clearStack()... entries [%d]", entryCount));
    for (int i = 0; i < entryCount; ++i) {
        try {
            fragmentManager.popBackStackImmediate();
        } catch (Exception exc) {
            Log.e(TAG, "clearStack()", exc);
        }
    }

    findCurrentFragment();

    Log.v(TAG, "clearStack()... DONE");
    setAnimationEnabled(true);
    mPopInProgress = false;
}

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

@Override
public boolean onOptionsItemSelected(final MenuItem item) {
    switch (item.getItemId()) {
    case MENU_HOME: {
        final FragmentManager fm = getSupportFragmentManager();
        if (isDualPaneMode()) {
            final int count = fm.getBackStackEntryCount();
            if (count == 0) {
                // NavUtils.navigateUpFromSameTask(this);
                onBackPressed();/*www.  j av a 2  s.co  m*/
            } else if (!FragmentManagerTrojan.isStateSaved(fm)) {
                for (int i = 0; i < count; i++) {
                    fm.popBackStackImmediate();
                }
                setSupportProgressBarIndeterminateVisibility(false);
            }
        } else {
            // NavUtils.navigateUpFromSameTask(this);
            onBackPressed();
        }
        break;
    }
    }
    return super.onOptionsItemSelected(item);
}

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From source file:org.fuusio.api.flow.AbstractFlow.java

@Override
public void onBackStackChanged() {
    final FragmentManager fragmentManager = mFragmentContainer.getSupportFragmentManager();
    final int oldBackStackSize = mBackStackSize;

    mBackStackSize = fragmentManager.getBackStackEntryCount();

    if (mBackStackSize > 0 && oldBackStackSize > mBackStackSize) {
        final FragmentManager.BackStackEntry entry = fragmentManager.getBackStackEntryAt(mBackStackSize - 1);
        final String tag = entry.getName();
        final Fragment fragment = fragmentManager.findFragmentByTag(tag);

        if (fragment instanceof View) {
            onNavigatedBackTo((View) fragment);
        }//w  w w. j  a va 2s.  c  om
    }
}

---

From source file:com.cnm.cnmrc.fragment.vodtvch.Base.java

/**
 * ? depth?  fragment Base ?? loadingData()? addToBackStack?  ?.
 * ? MainActivity onBackPressed()? back key ?.
 *   ? isFirstDepth false .  4? ?(,?,TV,)? .
 * vod (1st selectedCategory arg : 2nd title arg) : (0:) / (1:?) / (2:TV) / (3:)
 *//*from   ww w .j  av a  2s.  c  o m*/
protected void loadingData(int selectedCategory, String title, boolean isFirstDepth, Bundle bundle) {

    //    ft.replace(R.id.loading_data_panel, base)? base?
    //  base? isSldebar? ? ?,  ?  ?, newInstance() ? .
    // this.isFirstDepth = isFirstDepth;

    // 1 depth?  ft.replace(R.id.loading_data_panel, base)? base? ?? hide.
    if (this.isFirstDepth) { // ? ??   ?? ?  ? ??.
        Fragment f = getActivity().getSupportFragmentManager().findFragmentById(R.id.loading_data_panel);
        FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
        if (f != null) {
            if (f.isVisible())
                ft.hide(f).commit();
        }

        if (!isFirstDepth)
            setTitle(title);
    } else {
        Fragment f = getActivity().getSupportFragmentManager()
                .findFragmentByTag(((MainActivity) getActivity()).TAG_FRAGMENT_BASE);
        FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
        if (f != null) {
            if (f.isVisible())
                ft.hide(f).commit();
        }

        setTitle(title);
    }

    FragmentManager fm = getActivity().getSupportFragmentManager();
    Log.i("hwang", "before adding base fragment count --> " + Integer.toString(fm.getBackStackEntryCount()));

    FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
    Class<?> classObject;
    try {
        String packageName = this.getClass().getPackage().getName() + ".";

        classObject = Class.forName(packageName + mClassTypeArray[selectedCategory]);
        Object obj = classObject.newInstance();
        Log.v("hwang", "classObject : " + obj.getClass());

        Base base = ((Base) obj).newInstance(selectedCategory, title, isFirstDepth, bundle);

        Fragment f = getActivity().getSupportFragmentManager().findFragmentById(R.id.vod_tvch_panel);
        if (f != null) {

            ft.add(R.id.loading_data_panel, base, ((MainActivity) getActivity()).TAG_FRAGMENT_BASE);
            ft.addToBackStack(null); // push to "fragment stack" for back key operation
        }
        ft.commit();
        fm.executePendingTransactions();

        // ------------------------------------
        // ? bottom menu? depth level 
        // ------------------------------------
        addDepthLevel();

    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } catch (java.lang.InstantiationException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }

    FragmentManager fm1 = getActivity().getSupportFragmentManager();
    Log.i("hwang", "after adding base fragment count --> " + Integer.toString(fm1.getBackStackEntryCount()));
}

---

From source file:com.kayzook.bracediary.BaseActivity.java

@Override
public void onAttachFragment(Fragment fragment) {
    super.onAttachFragment(fragment);
    String fragmentSimpleName = fragment.getClass().getSimpleName();

    if (!fragmentSimpleName.equals("CustomDialogFragment")) {
        FragmentManager fm = getSupportFragmentManager();
        for (int i = 0; i < fm.getBackStackEntryCount(); ++i) {
            fm.popBackStack();/*  w  ww .ja  v a  2s.c om*/
        }
    }
}

---

From source file:com.vinexs.eeb.BaseFragment.java

public void addFragment(int viewId, Fragment fragment) {
    if (fragment.isAdded()) {
        return;/*from   ww w . ja va  2  s .c  om*/
    }
    FragmentManager fragMgr = getActivity().getSupportFragmentManager();
    FragmentTransaction transaction = fragMgr.beginTransaction();
    FragmentManager.BackStackEntry lastEntry = fragMgr.getBackStackEntryCount() == 0 ? null
            : fragMgr.getBackStackEntryAt(fragMgr.getBackStackEntryCount() - 1);
    // Transaction options
    String fragName = fragment.getClass().getSimpleName();
    String breadCrumbTitle;
    String breadCrumbShortTitle;
    int animationEnter = 0;
    int animationExit = 0;
    Boolean addToBackStack = false;
    // Fill options
    Bundle args = fragment.getArguments();
    if (args != null) {
        if (args.containsKey("animationEnter") && args.containsKey("animationExit")) {
            animationEnter = args.getInt("animationEnter");
            animationExit = args.getInt("animationExit");
        }
        if (args.containsKey("breadCrumbTitle")) {
            breadCrumbTitle = args.getString("breadCrumbTitle");
        } else {
            breadCrumbTitle = (lastEntry != null) ? lastEntry.getBreadCrumbTitle().toString()
                    : Utility.getAppName(getActivity());
        }
        if (args.containsKey("breadCrumbShortTitle")) {
            breadCrumbShortTitle = args.getString("breadCrumbShortTitle");
        } else {
            breadCrumbShortTitle = (lastEntry != null) ? lastEntry.getBreadCrumbShortTitle().toString()
                    : Utility.getAppName(getActivity());
        }
        if (args.containsKey("fragmentName")) {
            fragName = args.getString("fragmentName");
        }
        if (args.containsKey("addToBackStack")) {
            addToBackStack = args.getBoolean("addToBackStack");
        }
    } else {
        breadCrumbTitle = (lastEntry != null) ? lastEntry.getBreadCrumbTitle().toString()
                : Utility.getAppName(getActivity());
        breadCrumbShortTitle = (lastEntry != null) ? lastEntry.getBreadCrumbShortTitle().toString()
                : Utility.getAppName(getActivity());
    }
    // Set option to fragment manager
    if (animationEnter != 0 && animationExit != 0) {
        transaction.setCustomAnimations(animationEnter, animationExit);
    }
    if (breadCrumbTitle != null && !breadCrumbTitle.isEmpty()) {
        transaction.setBreadCrumbTitle(breadCrumbTitle);
    }
    if (breadCrumbShortTitle != null && !breadCrumbShortTitle.isEmpty()) {
        transaction.setBreadCrumbShortTitle(breadCrumbShortTitle);
    }
    if (transaction.isAddToBackStackAllowed() && addToBackStack) {
        transaction.addToBackStack(fragName);
    }
    // Add fragment
    transaction.add(viewId, fragment, fragName).commitAllowingStateLoss();
}

---

From source file:com.vinexs.eeb.BaseFragment.java

public void replaceFragment(int viewId, Fragment fragment) {
    if (fragment.isAdded()) {
        return;// w  w  w . ja va2 s.  c  o m
    }
    FragmentManager fragMgr = getActivity().getSupportFragmentManager();
    FragmentTransaction transaction = fragMgr.beginTransaction();
    FragmentManager.BackStackEntry lastEntry = fragMgr.getBackStackEntryCount() == 0 ? null
            : fragMgr.getBackStackEntryAt(fragMgr.getBackStackEntryCount() - 1);
    // Transaction options
    String fragName = fragment.getClass().getSimpleName();
    String breadCrumbTitle;
    String breadCrumbShortTitle;
    int animationEnter = 0;
    int animationExit = 0;
    Boolean addToBackStack = true;
    // Fill options
    Bundle args = fragment.getArguments();
    if (args != null) {
        if (args.containsKey("animationEnter") && args.containsKey("animationExit")) {
            animationEnter = args.getInt("animationEnter");
            animationExit = args.getInt("animationExit");
        }
        if (args.containsKey("breadCrumbTitle")) {
            breadCrumbTitle = args.getString("breadCrumbTitle");
        } else {
            breadCrumbTitle = (lastEntry != null) ? lastEntry.getBreadCrumbTitle().toString()
                    : Utility.getAppName(getActivity());
        }
        if (args.containsKey("breadCrumbShortTitle")) {
            breadCrumbShortTitle = args.getString("breadCrumbShortTitle");
        } else {
            breadCrumbShortTitle = (lastEntry != null) ? lastEntry.getBreadCrumbShortTitle().toString()
                    : Utility.getAppName(getActivity());
        }
        if (args.containsKey("fragmentName")) {
            fragName = args.getString("fragmentName");
        }
        if (args.containsKey("addToBackStack")) {
            addToBackStack = args.getBoolean("addToBackStack");
        }
    } else {
        breadCrumbTitle = (lastEntry != null) ? lastEntry.getBreadCrumbTitle().toString()
                : Utility.getAppName(getActivity());
        breadCrumbShortTitle = (lastEntry != null) ? lastEntry.getBreadCrumbShortTitle().toString()
                : Utility.getAppName(getActivity());
    }
    // Set option to fragment manager
    if (animationEnter != 0 && animationExit != 0) {
        transaction.setCustomAnimations(animationEnter, animationExit);
    }
    if (breadCrumbTitle != null && !breadCrumbTitle.isEmpty()) {
        transaction.setBreadCrumbTitle(breadCrumbTitle);
    }
    if (breadCrumbShortTitle != null && !breadCrumbShortTitle.isEmpty()) {
        transaction.setBreadCrumbShortTitle(breadCrumbShortTitle);
    }
    if (transaction.isAddToBackStackAllowed() && addToBackStack) {
        transaction.addToBackStack(fragName);
    }
    // Replace fragment
    transaction.replace(viewId, fragment, fragName).commitAllowingStateLoss();
}

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From source file:org.comixwall.pffw.MainActivity.java

private void popAllBackStack() {
    // TODO: What is the best way to pop all backstack items?
    // It does NOT help to use a special StackBottom name while adding the first Dashboard to the backstack,
    // then we could pop all items simply by:
    // fm.popBackStackImmediate("StackBottom", FragmentManager.POP_BACK_STACK_INCLUSIVE);
    // But if we add the first Dashboard to the backstack, we get a blank page when the user presses the back button.

    FragmentManager fm = getSupportFragmentManager();
    while (fm.getBackStackEntryCount() > 0) {
        fm.popBackStackImmediate();/*from w w  w. j a  v a 2  s .c  o m*/
    }
}

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