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:au.org.intersect.faims.android.ui.activity.ShowModuleActivity.java

@Override
public void onBackPressed() {
    FragmentManager fragmentManager = getSupportFragmentManager();
    if (fragmentManager.getBackStackEntryCount() > 0) {
        TabGroup currentTabGroup = (TabGroup) fragmentManager.findFragmentByTag(
                fragmentManager.getBackStackEntryAt(fragmentManager.getBackStackEntryCount() - 1).getName());
        if (currentTabGroup != null) {
            renderer.invalidateListViews(currentTabGroup);
            renderer.setCurrentTabGroup(currentTabGroup);
            getActionBar().setTitle(currentTabGroup.getLabel());
        }/*from   w  ww  .j  a va2s.  co  m*/
        super.onBackPressed();
    } else {
        if (syncStarted) {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle("Stop Syncing");
            builder.setMessage(
                    "Syncing is still in progress. Do you want to exit the activity and stop the sync?");
            builder.setPositiveButton("Yes", new OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                    syncStarted = false;
                    stopSync();
                    ShowModuleActivity.super.onBackPressed();
                }
            });
            builder.setNegativeButton("No", new OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                    // Do nothing
                }
            });
            builder.show();
        } else {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle("Exit Module");
            builder.setMessage("Do you want to exit module?");
            builder.setPositiveButton("Yes", new OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                    ShowModuleActivity.super.onBackPressed();
                }
            });
            builder.setNegativeButton("No", new OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                    // Do nothing
                }
            });
            builder.show();
        }
    }
}

---

From source file:com.app.blockydemo.ui.ScriptActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    FragmentManager fragmentManager = getSupportFragmentManager();

    for (String tag : FormulaEditorListFragment.TAGS) {
        FormulaEditorListFragment fragment = (FormulaEditorListFragment) fragmentManager.findFragmentByTag(tag);
        if (fragment != null) {
            if (fragment.isVisible()) {
                return fragment.onKey(null, keyCode, event);
            }/*from   w w w .ja va 2s . com*/
        }
    }

    FormulaEditorVariableListFragment formulaEditorVariableListFragment = (FormulaEditorVariableListFragment) getSupportFragmentManager()
            .findFragmentByTag(FormulaEditorVariableListFragment.VARIABLE_TAG);

    if (formulaEditorVariableListFragment != null) {
        if (formulaEditorVariableListFragment.isVisible()) {
            return formulaEditorVariableListFragment.onKey(null, keyCode, event);
        }
    }

    FormulaEditorFragment formulaEditor = (FormulaEditorFragment) getSupportFragmentManager()
            .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);

    if (formulaEditor != null) {
        if (formulaEditor.isVisible()) {
            scriptFragment.getAdapter().updateProjectBrickList();
            return formulaEditor.onKey(null, keyCode, event);
        }
    }

    int backStackEntryCount = fragmentManager.getBackStackEntryCount();
    for (int i = backStackEntryCount; i > 0; --i) {
        String backStackEntryName = fragmentManager.getBackStackEntryAt(i - 1).getName();
        if (backStackEntryName != null) {
            fragmentManager.popBackStack();
        } else {
            break;
        }
    }

    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if (currentFragmentPosition == FRAGMENT_SCRIPTS) {
            DragAndDropListView listView = scriptFragment.getListView();
            if (listView.isCurrentlyDragging()) {
                listView.resetDraggingScreen();

                BrickAdapter adapter = scriptFragment.getAdapter();
                adapter.removeDraggedBrick();
                return true;
            }
        }
    }
    return super.onKeyDown(keyCode, event);
}

---

From source file:com.chatwing.whitelabel.activities.CommunicationActivity.java

@Override
public void onBackPressed() {
    if (mCurrentCommunicationMode.isSecondaryDrawerOpening()) {
        ((ChatboxModeManager) mCurrentCommunicationMode).closeSecondaryDrawer();
    } else if (!mCurrentCommunicationMode.isCommunicationBoxDrawerOpening()) {
        // Both online users and chat boxes/conversation lists are closed.
        // Open chat boxes/conversation list now.
        mCurrentCommunicationMode.openCommunicationBoxDrawer();
    } else {//  w  ww.j  av a2s.c o  m
        // Online users list is closed, chat boxes list is opened.
        // User probably is trying to quit the app.
        FragmentManager fragmentManager = getSupportFragmentManager();
        int stackSize = fragmentManager.getBackStackEntryCount();
        if (stackSize == 0) {
            finish();
        } else {
            String fragmentTag = fragmentManager.getBackStackEntryAt(stackSize - 1).getName();
            fragmentManager.popBackStack(fragmentTag, FragmentManager.POP_BACK_STACK_INCLUSIVE);
        }
    }
}

---

From source file:org.catrobat.catroid.ui.ScriptActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    FragmentManager fragmentManager = getSupportFragmentManager();

    for (String tag : FormulaEditorListFragment.TAGS) {
        FormulaEditorListFragment fragment = (FormulaEditorListFragment) fragmentManager.findFragmentByTag(tag);
        if (fragment != null && fragment.isVisible()) {
            return fragment.onKey(null, keyCode, event);
        }/*  w  ww .j  a va2  s.  c o m*/
    }

    String tag1 = UserBrickDataEditorFragment.BRICK_DATA_EDITOR_FRAGMENT_TAG;
    UserBrickDataEditorFragment fragment = (UserBrickDataEditorFragment) fragmentManager
            .findFragmentByTag(tag1);
    if (fragment != null && fragment.isVisible()) {
        return fragment.onKey(null, keyCode, event);
    }

    FormulaEditorDataFragment formulaEditorDataFragment = (FormulaEditorDataFragment) getSupportFragmentManager()
            .findFragmentByTag(FormulaEditorDataFragment.USER_DATA_TAG);

    if (formulaEditorDataFragment != null && formulaEditorDataFragment.isVisible()) {
        return formulaEditorDataFragment.onKey(null, keyCode, event);
    }

    FormulaEditorFragment formulaEditor = (FormulaEditorFragment) getSupportFragmentManager()
            .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);

    if (formulaEditor != null && formulaEditor.isVisible()) {
        scriptFragment.getAdapter().updateProjectBrickList();
        return formulaEditor.onKey(null, keyCode, event);
    }
    if (soundFragment != null && soundFragment.isVisible() && soundFragment.onKey(null, keyCode, event)) {
        return true;
    }

    if (lookFragment != null && lookFragment.isVisible() && lookFragment.onKey(null, keyCode, event)) {
        return true;
    }

    int backStackEntryCount = fragmentManager.getBackStackEntryCount();
    for (int i = backStackEntryCount; i > 0; --i) {
        String backStackEntryName = fragmentManager.getBackStackEntryAt(i - 1).getName();
        if (backStackEntryName != null && (backStackEntryName.equals(LookFragment.TAG)
                || backStackEntryName.equals(SoundFragment.TAG))) {
            fragmentManager.popBackStack();
        } else {
            break;
        }
    }

    if (keyCode == KeyEvent.KEYCODE_BACK && currentFragmentPosition == FRAGMENT_SCRIPTS) {
        DragAndDropListView listView = scriptFragment.getListView();
        if (listView.isCurrentlyDragging()) {
            listView.resetDraggingScreen();

            BrickAdapter adapter = scriptFragment.getAdapter();
            adapter.removeDraggedBrick();
            return true;
        }
    }

    return super.onKeyDown(keyCode, event);
}

---

From source file:hku.fyp14017.blencode.ui.ScriptActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    FragmentManager fragmentManager = getSupportFragmentManager();

    for (String tag : FormulaEditorListFragment.TAGS) {
        FormulaEditorListFragment fragment = (FormulaEditorListFragment) fragmentManager.findFragmentByTag(tag);
        if (fragment != null && fragment.isVisible()) {
            return fragment.onKey(null, keyCode, event);
        }/*from   www .  jav  a  2 s  .  co m*/

    }

    String tag1 = UserBrickDataEditorFragment.BRICK_DATA_EDITOR_FRAGMENT_TAG;
    UserBrickDataEditorFragment fragment = (UserBrickDataEditorFragment) fragmentManager
            .findFragmentByTag(tag1);
    if (fragment != null && fragment.isVisible()) {
        return fragment.onKey(null, keyCode, event);
    }

    FormulaEditorVariableListFragment formulaEditorVariableListFragment = (FormulaEditorVariableListFragment) getSupportFragmentManager()
            .findFragmentByTag(FormulaEditorVariableListFragment.VARIABLE_TAG);

    if (formulaEditorVariableListFragment != null && formulaEditorVariableListFragment.isVisible()) {
        return formulaEditorVariableListFragment.onKey(null, keyCode, event);
    }

    SensorTagFragment sensorTagFragment = (SensorTagFragment) getSupportFragmentManager()
            .findFragmentByTag(SensorTagFragment.SENSOR_TAG_FRAGMENT_TAG);

    if (sensorTagFragment != null && sensorTagFragment.isVisible()) {
        return sensorTagFragment.onKey(null, keyCode, event);
    }

    FormulaEditorFragment formulaEditor = (FormulaEditorFragment) getSupportFragmentManager()
            .findFragmentByTag(FormulaEditorFragment.FORMULA_EDITOR_FRAGMENT_TAG);

    if (formulaEditor != null && formulaEditor.isVisible()) {
        scriptFragment.getAdapter().updateProjectBrickList();
        return formulaEditor.onKey(null, keyCode, event);
    }

    if (soundFragment != null && soundFragment.isVisible() && soundFragment.onKey(null, keyCode, event)) {
        return true;
    }

    if (lookFragment != null && lookFragment.isVisible() && lookFragment.onKey(null, keyCode, event)) {
        return true;
    }

    int backStackEntryCount = fragmentManager.getBackStackEntryCount();
    for (int i = backStackEntryCount; i > 0; --i) {
        String backStackEntryName = fragmentManager.getBackStackEntryAt(i - 1).getName();
        if (backStackEntryName != null && (backStackEntryName.equals(LookFragment.TAG)
                || backStackEntryName.equals(SoundFragment.TAG))) {
            fragmentManager.popBackStack();
        } else {
            break;
        }
    }

    if (keyCode == KeyEvent.KEYCODE_BACK && currentFragmentPosition == FRAGMENT_SCRIPTS) {
        DragAndDropListView listView = scriptFragment.getListView();
        if (listView.isCurrentlyDragging()) {
            listView.resetDraggingScreen();

            BrickAdapter adapter = scriptFragment.getAdapter();
            adapter.removeDraggedBrick();
            return true;
        }
    }

    return super.onKeyDown(keyCode, event);
}

---

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

@Override
public void onDestroyView() {
    {//from w  ww.j  a  va2  s  . c  om
        // back key ? 2,    ?,  destoryview? ? count minus?.
        // ? TAG_FRAGMENT_BASE?  fragment ?  .  . .
        // backstack?  transaction? count ? minus ?.
        Fragment f = getActivity().getSupportFragmentManager()
                .findFragmentByTag(((MainActivity) getActivity()).TAG_FRAGMENT_BASE);
        if (f != null) {
            Log.i("hwang", "At Base TAG_FRAGMENT_BASE exist!!!");
        } else {
            Log.i("hwang", "At Base TAG_FRAGMENT_BASE no exist!!!");
        }

        f = getActivity().getSupportFragmentManager().findFragmentById(R.id.loading_data_panel);
        if (f != null) {
            Log.i("hwang", "At Base loading_data_panel exist!!!");
        } else {
            Log.i("hwang", "At Base loading_data_panel no exist!!!");
        }
    }

    //      {
    //         FragmentManager fm = getActivity().getSupportFragmentManager();
    //         Log.i("hwang", "before destory base view fragment count --> " + Integer.toString(fm.getBackStackEntryCount()));
    //           Fragment f = getActivity().getSupportFragmentManager().findFragmentByTag(((MainActivity) getActivity()).TAG_FRAGMENT_BASE);
    //           if (f != null) {
    //              getActivity().getSupportFragmentManager().beginTransaction().remove(f).commit();   // TAG_FRAGMENT_BASE?  fragment ?? ?.
    //            fm.executePendingTransactions(); // fragment ?  ?.
    //           }
    //         Log.i("hwang", "after destory base view fragment count --> " + Integer.toString(fm.getBackStackEntryCount()));
    //         
    //         // check
    //         //  entry stack? ? 0 ? index?.
    //         for (int entry = 0; entry < fm.getBackStackEntryCount(); entry++) {
    //            Log.i("hwang", "Found fragment: " + fm.getBackStackEntryAt(entry).getId());
    //         }
    //      }

    //      {
    //         // same above, ~ ?? ? TAG_FRAGMENT_BASE? ?  fragment ? ?.
    //         FragmentManager fm = getActivity().getSupportFragmentManager();
    //         Log.i("hwang", "before destory base view fragment count --> " + Integer.toString(fm.getBackStackEntryCount()));
    //           Fragment f = getActivity().getSupportFragmentManager().findFragmentByTag(((MainActivity) getActivity()).TAG_FRAGMENT_BASE);
    //           if (f != null) {
    //            fm.popBackStack(((MainActivity) getActivity()).TAG_FRAGMENT_BASE, 0);   // ? ? null ?.             // TAG_FRAGMENT_BASE?  fragment  ?.
    //             fm.popBackStack(((MainActivity) getActivity()).TAG_FRAGMENT_BASE, FragmentManager.POP_BACK_STACK_INCLUSIVE);   // TAG_FRAGMENT_BASE?  fragment  ?. ??.....
    //            fm.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);                                    // stack?   fragment ?.
    //           }
    //         Log.i("hwang", "after destory base view fragment count --> " + Integer.toString(fm.getBackStackEntryCount()));
    //         
    //         // check
    //         //  entry stack? ? 0 ? index?.
    //         for (int entry = 0; entry < fm.getBackStackEntryCount(); entry++) {
    //            Log.i("hwang", "Found fragment: " + fm.getBackStackEntryAt(entry).getId());
    //         }
    //      }

    //      To clear stack you need to call:
    //
    //         ScreenFragment.sDisableExitAnimation = true;
    //         manager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
    //         transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);

    //      FragmentManager fm = getActivity().getSupportFragmentManager();
    //      for(int i = 0; i < fm.getBackStackEntryCount(); ++i) {    
    //          fm.popBackStack();
    //      }
    //      But could equally have used something like:
    //
    //      FragmentManager.popBackStack(String name, FragmentManager.POP_BACK_STACK_INCLUSIVE);
    //      To go to top simply use: fragmentManager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE); 

    //      // transaction.replace(R.id.detailFragment, frag1);
    //      Transaction.remove(null).add(frag1)  // frag1 on view
    //
    //      // transaction.replace(R.id.detailFragment, frag2).addToBackStack(null);
    //      Transaction.remove(frag1).add(frag2).addToBackStack(null)  // frag2 on view
    //
    //      // transaction.replace(R.id.detailFragment, frag3);
    //      Transaction.remove(frag2).add(frag3)  // frag3 on view

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

    // Use a name for your initial back stack state and use FragmentManager.popBackStack(String name, FragmentManager.POP_BACK_STACK_INCLUSIVE).
    // Use FragmentManager.getBackStackEntryCount()/getBackStackEntryAt().getId() to retrieve the ID of the first entry on the back stack, 
    // and FragmentManager.popBackStack(int id, FragmentManager.POP_BACK_STACK_INCLUSIVE).

    // is supposed to pop the entire back stack...
    //FragmentManager.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE) 

    // Base? onDestroyView() 2  .
    //  ft.replace(R.id.loading_data_panel, base); 
    //   ft.add(R.id.loading_data_panel, base, ((MainActivity) getActivity()).TAG_FRAGMENT_BASE);
    // getBackStackEntryCount() ??  ...  ?  ? ? ??...
    // backstack? count  ???  ? ?...
    FragmentManager fm = getActivity().getSupportFragmentManager();
    if (!isFirstDepth) { //  1 depth?? ? depth?...
        //if(fm.getBackStackEntryCount() > 0 && fm.getBackStackEntryCount() < 8) {     // indicator 8 ...
        Log.i("hwang", "before Base onDestroyView() fragment count --> "
                + Integer.toString(fm.getBackStackEntryCount()));
        Fragment f = getActivity().getSupportFragmentManager()
                .findFragmentByTag(((MainActivity) getActivity()).TAG_FRAGMENT_BASE);
        if (f != null) {
            //  ?? ~~~~
            // popBackStack()? ?  ? ? ? ?. , backstack count ? minus? ??.
            //fm.popBackStack(((MainActivity) getActivity()).TAG_FRAGMENT_BASE, 0);   // ? ? null ?.               // TAG_FRAGMENT_BASE?  fragment  ?.
            //fm.popBackStack(((MainActivity) getActivity()).TAG_FRAGMENT_BASE, FragmentManager.POP_BACK_STACK_INCLUSIVE);   // TAG_FRAGMENT_BASE?  fragment  ?. ??...
            //fm.popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);                                    // stack?   fragment ?.

            //getActivity().getSupportFragmentManager().beginTransaction().remove(f).commit();                        // TAG_FRAGMENT_BASE?  fragment ?? ?.
            //fm.executePendingTransactions();                                                             // fragment ?  ?.

            // sidebar ? ...
            Fragment f1 = fm.findFragmentByTag(((MainActivity) getActivity()).TAG_FRAGMENT_VOD_TVCH);
            if (f1 != null) {
                if (((VodTvchMain) f1).mSlidingMenu.isOpening()) {
                    getActivity().getSupportFragmentManager().beginTransaction().remove(f).commit();
                    //fm.getBackStackEntryAt(0);
                    //fm.popBackStack(((MainActivity) getActivity()).TAG_FRAGMENT_BASE, FragmentManager.POP_BACK_STACK_INCLUSIVE);
                    //fm.executePendingTransactions();    

                    for (int i = 0; i < fm.getBackStackEntryCount(); i++) {
                        //                       fm.popBackStack(((MainActivity) getActivity()).TAG_FRAGMENT_BASE, FragmentManager.POP_BACK_STACK_INCLUSIVE);
                        fm.popBackStack(i, 0); // OK
                        //fm.popBackStack(i, FragmentManager.POP_BACK_STACK_INCLUSIVE); // not OK
                    }
                }
            }

        }
        Log.i("hwang", "after Base onDestroyView() fragment count --> "
                + Integer.toString(fm.getBackStackEntryCount()));

        // check
        //  entry stack? ? 0 ? index?.
        for (int entry = 0; entry < fm.getBackStackEntryCount(); entry++) {
            Log.i("hwang", "At Base onDestroyView() Found fragment: " + fm.getBackStackEntryAt(entry).getId());
        }

        deleteDepthLevel();

        {
            f = getActivity().getSupportFragmentManager().findFragmentById(R.id.loading_data_panel);
            FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
            if (f != null) {
                if (f.isHidden())
                    ft.show(f).commit(); // loading_data_panel TAG_FRAGMENT_BASE  ?.   ?
                // f --> VodList{42626a88 #12 id=0x7f0c0048 base}
                // f --> VodList{42624ab0 #11 id=0x7f0c0048 base}
                // f --> VodList{42622ad8 #10 id=0x7f0c0048 base}
                // f --> VodList{42620b00 #9 id=0x7f0c0048 base}
                // f --> VodList{4261ea88 #8 id=0x7f0c0048 base}
                // f --> VodList{4261c560 #7 id=0x7f0c0048}
            }
        }

    }

    super.onDestroyView();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• »