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

Introduction

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

Prototype

public abstract BackStackEntry getBackStackEntryAt(int index);

Source Link

Document

Return the BackStackEntry at index index in the back stack; entries start index 0 being the bottom of the stack.

Usage

From source file:com.projeto_les.easymeal.MainActivity.java

@Override
public void onBackPressed() {
    int fragments = getSupportFragmentManager().getBackStackEntryCount();
    if (fragments == 1) {
        finish();//from   w ww. ja v  a  2  s.  c  o  m
        return;
    }

    FragmentManager fragmentManager = getSupportFragmentManager();
    String fragmentTag = fragmentManager.getBackStackEntryAt(fragmentManager.getBackStackEntryCount() - 1)
            .getName();

    if (fragmentTag.equals(SelectIngredientsFragment.TAG)) {
        //selectIngredientsFragment.updateView();
        clearSearch(true);
    }

    super.onBackPressed();
}

---

From source file:com.cyanogenmod.eleven.ui.activities.HomeActivity.java

/**
 * Immediately clears the backstack//w w  w  .j a  v a2  s  . co  m
 */
protected void clearBackStack() {
    final FragmentManager fragmentManager = getSupportFragmentManager();
    if (fragmentManager.getBackStackEntryCount() > 0) {
        final int id = fragmentManager.getBackStackEntryAt(0).getId();
        fragmentManager.popBackStackImmediate(id, FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }
}

---

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

public void addFragment(int viewId, Fragment fragment) {
    if (fragment.isAdded()) {
        return;// ww  w.j ava2  s. com
    }
    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  .j a v a 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 = 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();
}

---

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

@Override
@SuppressWarnings("uncheckked")
public void goBack() {
    final FragmentManager fragmentManager = mFragmentContainer.getSupportFragmentManager();
    int index = fragmentManager.getBackStackEntryCount() - 1;

    while (index >= 0) {
        final FragmentManager.BackStackEntry entry = fragmentManager.getBackStackEntryAt(index);
        final String tag = entry.getName();
        final FlowFragment fragment = (FlowFragment) fragmentManager.findFragmentByTag(tag);

        if (isActiveView(fragment)) {
            fragmentManager.popBackStackImmediate();
            index--;/*  ww  w . j  ava  2 s  . com*/
        } else {
            mFragmentContainer.showFlowFragment(this, fragment, tag);
            mBackStackSize = fragmentManager.getBackStackEntryCount();
            break;
        }
    }
}

---

From source file:net.oremland.rss.reader.MainActivity.java

private int idForPreviousBackStackEntry(FragmentManager manager) {
    int entryCount = manager.getBackStackEntryCount();
    int initialCount = this.initialBackStackCount();
    if (entryCount > initialCount) {
        FragmentManager.BackStackEntry entry = manager.getBackStackEntryAt(entryCount - initialCount);
        return Integer.parseInt(entry.getName());
    }//  w  w  w  .  ja  v a 2  s. c om
    return R.id.feeds_list_fragment;
}

---

From source file:com.munger.passwordkeeper.MainActivity.java

/**
 * Handle the behaviour of the back button.
 *///from  ww w. j a  v a2  s. c  om
@Override
public void onBackPressed() {
    FragmentManager mgr = getSupportFragmentManager();
    int cnt = mgr.getBackStackEntryCount();

    if (cnt > 0) {
        BackStackEntry entry = mgr.getBackStackEntryAt(cnt - 1);
        String name = entry.getName();

        //warn any fragments that care that the back button has been pressed.
        //if they return true then cancel the back button action
        boolean keepGoing = true;

        if (name.equals(ViewDetailFragment.getName())) {
            keepGoing = viewDetailFragment.backPressed();
        }

        if (!keepGoing)
            return;

        //reset the view every time a fragment is popped off the stack
        super.onBackPressed();
        invalidateOptionsMenu();
        setEditable(false);
    }
}

---

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

public Fragment getTopFragment() {
    FragmentManager fragMgr = getSupportFragmentManager();
    FragmentManager.BackStackEntry backEntry = fragMgr
            .getBackStackEntryAt(fragMgr.getBackStackEntryCount() - 1);
    String backEntryName = backEntry.getName();
    return fragMgr.findFragmentByTag(backEntryName);
}

---

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);
        }/*from   w ww  .  j  av a 2 s .c  o  m*/
    }
}

---

From source file:dev.drsoran.moloko.activities.AbstractTasksListActivity.java

private BackStackEntry getTopOfBackStack() {
    final FragmentManager fragmentManager = getSupportFragmentManager();
    final int backStackSize = fragmentManager.getBackStackEntryCount();

    return backStackSize > 0 ? fragmentManager.getBackStackEntryAt(backStackSize - 1) : null;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• »