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:Main.java

/**
 * Used to clear the fragments back stack. Particularly helpful when we click another NDMenuItem
 *//*from w  w w. j  av a  2 s  .c o m*/
private static void clearBackStack(FragmentManager fragmentManager) {
    for (int i = 0; i < fragmentManager.getBackStackEntryCount(); ++i) {
        fragmentManager.popBackStack();
    }
}

From source file:Main.java

public static boolean popFragment(FragmentManager fm) {
    final int entryCount = fm.getBackStackEntryCount();
    FragmentTransaction ft = fm.beginTransaction();
    boolean popSucceed = true;
    if (entryCount <= 1) {
        fm.popBackStack();/*from   w ww.  j a  v a  2  s. c  om*/
    } else {
        popSucceed = fm.popBackStackImmediate();
    }
    ft.commit();
    return popSucceed;
}

From source file:Main.java

public static void clearBackStack(FragmentManager manager) {
    for (int i = 0; i < manager.getBackStackEntryCount(); ++i) {
        manager.popBackStackImmediate();
    }/*from w  w w .  j a v a 2  s  .  com*/

    if (manager.getBackStackEntryCount() > 0) {
        manager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }
}

From source file:org.kaaproject.kaa.demo.cityguide.util.FragmentUtils.java

public static void popBackStack(FragmentActivity activity) {
    if (activity == null) {
        Log.e(TAG, "Unable pop fragment. Invalid args.");
        return;/*  ww w .ja  va2  s .c  o  m*/
    }

    FragmentManager fm = activity.getSupportFragmentManager();
    if (fm.getBackStackEntryCount() > 0) {
        fm.popBackStack();
    }
}

From source file:Main.java

public static void addFragmentToActivity(FragmentManager fragmentManager, Fragment fragment, int frameId) {

    for (int i = 0; i < fragmentManager.getBackStackEntryCount(); ++i) {
        fragmentManager.popBackStack();// w  ww  .ja va  2 s. c  om
    }
    FragmentTransaction transaction = fragmentManager.beginTransaction();
    transaction.replace(frameId, fragment);
    transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_CLOSE);
    transaction.commit();
}

From source file:org.kaaproject.kaa.demo.photoframe.util.Utils.java

public static Fragment getTopFragment(FragmentActivity activity) {
    if (activity == null) {
        Log.e(TAG, "Unable to get top fragment. Invalid args.");
        return null;
    }/*w w w.j  av a2 s.c  o  m*/

    FragmentManager fm = activity.getSupportFragmentManager();
    if (fm.getBackStackEntryCount() > 0) {
        FragmentManager.BackStackEntry entry = fm.getBackStackEntryAt(fm.getBackStackEntryCount() - 1);
        return fm.findFragmentByTag(entry.getName());
    }
    return null;
}

From source file:org.ziaagikian.personal.helpers.FragmentHelper.java

/**
 * <p>Close the number of fragments.</p> 
 * @param context/*from  www  . j a va2s .  c o m*/
 * @param numBackStack, number of fragments to pop up.
 */
public static void popBackStack(Activity context, int numBackStack) {
    FragmentManager manager = context.getSupportFragmentManager();
    int fragCount = manager.getBackStackEntryCount();
    for (int i = 0; i < fragCount - numBackStack; i++) {
        manager.popBackStack();
    }
}

From source file:org.kaaproject.kaa.demo.photoframe.fragment.BaseFragment.java

public static void popBackStack(FragmentActivity activity) {

    final FragmentManager fm = activity.getSupportFragmentManager();
    if (fm.getBackStackEntryCount() > 0) {
        fm.popBackStack();/*w w w .  j a  v a 2 s .c  o m*/
    }
}

From source file:org.kaaproject.kaa.demo.photoframe.fragment.BaseFragment.java

public static Fragment getCurrentFragment(MainActivity activity) {

    final FragmentManager fm = activity.getSupportFragmentManager();
    if (fm.getBackStackEntryCount() > 0) {
        final FragmentManager.BackStackEntry entry = fm.getBackStackEntryAt(fm.getBackStackEntryCount() - 1);
        return fm.findFragmentByTag(entry.getName());
    }// w w w.ja  v a2s. com
    return null;
}

From source file:com.github.baoti.pioneer.ui.Navigator.java

public static boolean hasBackStackEntry(FragmentManager fragmentManager) {
    int count = fragmentManager.getBackStackEntryCount();
    if (count > 0) {
        return true;
    }/*from   w w w. j  a va  2 s .c o m*/
    if (isFragmentInBackStack != null) {
        List<Fragment> fragments = fragmentManager.getFragments();
        for (Fragment frag : fragments) {
            if (frag != null && isInBackStack(frag)) {
                return true;
            }
        }
    }
    return false;
}