Example usage for android.app FragmentManager getBackStackEntryCount

Introduction

In this page you can find the example usage for android.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:com.near.chimerarevo.activities.MainActivity.java

private void selectCategoryItem(int position) {
    if (prevChildSelection == position)
        return;/*from ww w.j a  v a 2  s  .  co  m*/

    FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
    ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);

    Bundle args = new Bundle();
    curFragment = new PostsRecyclerFragment();

    FragmentManager fm = getFragmentManager();
    for (int i = 0; i < fm.getBackStackEntryCount(); ++i) {
        fm.popBackStack();
    }

    prevChildSelection = (byte) position;

    switch (position) {
    case 0:
        args.putString(Constants.KEY_CAT, Constants.ANDROID);
        break;
    case 1:
        args.putString(Constants.KEY_CAT, Constants.APPLE);
        break;
    case 2:
        args.putString(Constants.KEY_CAT, Constants.GIOCHI);
        break;
    case 3:
        args.putString(Constants.KEY_CAT, Constants.HARDWARE);
        break;
    case 4:
        args.putString(Constants.KEY_CAT, Constants.INTERNET);
        break;
    case 5:
        args.putString(Constants.KEY_CAT, Constants.LINUX);
        break;
    case 6:
        args.putString(Constants.KEY_CAT, Constants.SMARTPHONE);
        break;
    case 7:
        args.putString(Constants.KEY_CAT, Constants.TABLET);
        break;
    case 8:
        args.putString(Constants.KEY_CAT, Constants.WINDOWS);
        break;
    default:
        break;
    }

    curFragment.setArguments(args);
    ft.replace(R.id.content_frame, curFragment);
    ft.commit();
    setToolbarStatusColor(position);
}

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From source file:com.bradbergeron.splitviewcontrollerdemo.activities.MainActivity.java

@Override
public void onDrawerItemSelected(final DrawerFragment.FragmentDrawerItem fragmentDrawerItem) {
    if (mDrawerLayout.isDrawerOpen(Gravity.START)) {
        mDrawerLayout.closeDrawer(Gravity.START);
    }/*from  w ww . j  a  va 2s.c om*/

    final FragmentManager fragmentManager = getFragmentManager();
    final String fragmentClassName = fragmentDrawerItem.getFragmentClass().getName();

    Fragment newFragment = fragmentManager.findFragmentByTag(fragmentClassName);

    if (newFragment == null) {
        newFragment = Fragment.instantiate(this, fragmentClassName);
    } else if (newFragment.isAdded()) {
        return;
    } else if (fragmentDrawerItem.isDefaultItem() && fragmentManager.getBackStackEntryCount() > 0) {
        fragmentManager.popBackStack("Drawer", FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }

    final FragmentTransaction transaction = fragmentManager.beginTransaction();
    transaction.replace(R.id.content, newFragment, fragmentClassName);

    if (!fragmentDrawerItem.isDefaultItem()) {
        transaction.addToBackStack("Drawer");
    }

    transaction.commit();
}

---

From source file:cx.ring.client.HomeActivity.java

private void popCustomBackStack() {
    FragmentManager fm = getFragmentManager();
    FragmentManager.BackStackEntry entry = fm.getBackStackEntryAt(0);
    fContent = fm.findFragmentByTag(entry.getName());
    for (int i = 0; i < fm.getBackStackEntryCount() - 1; ++i) {
        fm.popBackStack();//  w ww.  jav  a  2 s.  com
    }
}

---

From source file:eu.focusnet.app.ui.activity.ProjectsListingActivity.java

/**
 * Listener for the back button. We have 2 menu entries in the drawer menu that load their
 * fragment in the main content container.
 * <p/>//from  w  ww .  j  a va 2s. c  o  m
 * In {@link #getOnClickDrawerItemListener()}, we make sure we do not reload the same page
 * indefinitely such that the below logic can work.
 */
@Override
public void onBackPressed() {
    //Navigate back to the last Fragment or exit the application
    FragmentManager fragmentManager = getFragmentManager();
    // If we have more than one fragments in the stack remove the last inserted
    // This is the case where we move from Bookmarks back to the home page via the BACK button
    if (fragmentManager.getBackStackEntryCount() > 1) {
        //remove the last inserted fragment from the stack
        fragmentManager.popBackStackImmediate();

        // hard coded things is ok as we are only playing with 2 possible targets, and
        // hence hitting the BACK button will always make us go back to the home page
        // (if we hit the BACK button on the home page, we exit the app)
        this.actionBar.setTitle(R.string.project_listing_title);
        highlightSelectedMenuItem(Constant.Navigation.UI_MENU_ENTRY_PROJECTS_LISTING);

        // close the drawer
        this.drawerLayout.closeDrawer(this.drawerListMenu);
    } else {
        // Exit the application
        super.onBackPressed();
    }
}

---

From source file:org.nypl.simplified.app.MainSettingsAccountActivity.java

@Override
public void onBackPressed() {
    //Pop any Fragments if they exist in the navigation stack.
    final FragmentManager manager = getFragmentManager();
    if (manager.getBackStackEntryCount() > 0) {
        manager.popBackStackImmediate();
        return;//from  w ww .  j  a v a  2s  .  co m
    }
    super.onBackPressed();
}

---

From source file:org.naturenet.ui.MainActivity.java

private void clearBackStack() {
    FragmentManager manager = getFragmentManager();
    if (manager.getBackStackEntryCount() > 0) {
        FragmentManager.BackStackEntry first = manager.getBackStackEntryAt(0);
        manager.popBackStack(first.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }/*  w  w  w. j av a2s .  com*/
}

---

From source file:com.android.tv.ui.TvOverlayManager.java

private void runAfterSideFragmentsAreClosed(final Runnable runnable) {
    final FragmentManager manager = mMainActivity.getFragmentManager();
    if (mSideFragmentManager.isSidePanelVisible()) {
        manager.addOnBackStackChangedListener(new OnBackStackChangedListener() {
            @Override//from w w w .  java 2s  .  c  o  m
            public void onBackStackChanged() {
                if (manager.getBackStackEntryCount() == 0) {
                    manager.removeOnBackStackChangedListener(this);
                    runnable.run();
                }
            }
        });
    } else {
        runnable.run();
    }
}

---

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

@Override
public void onBackPressed() {

    if (mFabActionsMenu.isExpanded()) {
        mFabActionsMenu.collapse();//  w w w.j  a v  a  2 s  .  co m
    } else {
        // initialize variables
        FragmentManager fm = getFragmentManager();
        FragmentTransaction ft = fm.beginTransaction();

        // check to see if stack is empty
        if (fm.getBackStackEntryCount() > 0) {
            fm.popBackStack();
            ft.commit();
            //            } else {
            //                askForExit();
        } else {
            if (mDoubleBackToExitPressedOnce) {
                super.onBackPressed();
                return;
            }
            this.mDoubleBackToExitPressedOnce = true;
            Toast.makeText(this, "Please click BACK again to exit", Toast.LENGTH_SHORT).show();

            new Handler().postDelayed(new Runnable() {

                @Override
                public void run() {
                    mDoubleBackToExitPressedOnce = false;
                }
            }, 2000);
        }
    }
}

---

From source file:com.github.cpmproto.categorystepfragment.base.GuidedStepListFragment.java

/**
 * Convenient method to close GuidedStepListFragments on top of other content or finish Activity if
 * GuidedStepListFragments were started in a separate activity.  Pops all stack entries including
 * {@link #UI_STYLE_ENTRANCE}; if {@link #UI_STYLE_ENTRANCE} is not found, finish the activity.
 * Note that this method must be paired with {@link #add(FragmentManager, GuidedStepListFragment,
 * int)} which sets up the stack entry name for finding which fragment we need to pop back to.
 *///  w w w .  java2 s .  c  o m
public void finishGuidedStepListFragments() {
    final FragmentManager fragmentManager = getFragmentManager();
    final int entryCount = fragmentManager.getBackStackEntryCount();
    if (entryCount > 0) {
        for (int i = entryCount - 1; i >= 0; i--) {
            FragmentManager.BackStackEntry entry = fragmentManager.getBackStackEntryAt(i);
            if (isStackEntryUiStyleEntrance(entry.getName())) {
                GuidedStepListFragment top = getCurrentGuidedStepListFragment(fragmentManager);
                if (top != null) {
                    top.setUiStyle(UI_STYLE_ENTRANCE);
                }
                fragmentManager.popBackStack(entry.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
                return;
            }
        }
    }
    ActivityCompat.finishAfterTransition(getActivity());
}

---

From source file:android.support.v17.leanback.app.GuidedStepFragment.java

/**
 * Convenient method to close GuidedStepFragments on top of other content or finish Activity if
 * GuidedStepFragments were started in a separate activity.  Pops all stack entries including
 * {@link #UI_STYLE_ENTRANCE}; if {@link #UI_STYLE_ENTRANCE} is not found, finish the activity.
 * Note that this method must be paired with {@link #add(FragmentManager, GuidedStepFragment,
 * int)} which sets up the stack entry name for finding which fragment we need to pop back to.
 *//* w ww .  ja va2s .c o m*/
public void finishGuidedStepFragments() {
    final FragmentManager fragmentManager = getFragmentManager();
    final int entryCount = fragmentManager.getBackStackEntryCount();
    if (entryCount > 0) {
        for (int i = entryCount - 1; i >= 0; i--) {
            BackStackEntry entry = fragmentManager.getBackStackEntryAt(i);
            if (isStackEntryUiStyleEntrance(entry.getName())) {
                GuidedStepFragment top = getCurrentGuidedStepFragment(fragmentManager);
                if (top != null) {
                    top.setUiStyle(UI_STYLE_ENTRANCE);
                }
                fragmentManager.popBackStack(entry.getId(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
                return;
            }
        }
    }
    ActivityCompat.finishAfterTransition(getActivity());
}

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