Java Code Examples for android.support.v4.app.FragmentTransaction#isEmpty()

The following examples show how to use android.support.v4.app.FragmentTransaction#isEmpty() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: ActionBarWrapper.java From CSipSimple with GNU General Public License v3.0

6 votes

@Override
public void onTabReselected(android.app.ActionBar.Tab tab, android.app.FragmentTransaction ft) {
    if (mListener != null) {
        FragmentTransaction trans = null;
        if (mActivity instanceof FragmentActivity) {
            trans = ((FragmentActivity)mActivity).getSupportFragmentManager().beginTransaction()
                    .disallowAddToBackStack();
        }

        mListener.onTabReselected(this, trans);

        if (trans != null && !trans.isEmpty()) {
            trans.commit();
        }
    }
}

Example 2

Source File: CommentsTimeLinePagerAdapter.java From iBeebo with GNU General Public License v3.0

6 votes

public CommentsTimeLinePagerAdapter(CommentsTimeLineFragment fragment, ViewPager viewPager, FragmentManager fm,
                                    SparseArray<Fragment> fragmentList) {
    super(fm);
    this.fragmentList = fragmentList;
    fragmentList.append(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION,
            fragment.getCommentsToMeTimeLineFragment());
    fragmentList.append(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION,
            fragment.getCommentsByMeTimeLineFragment());
    FragmentTransaction transaction = fragment.getChildFragmentManager().beginTransaction();
    if (!fragmentList.get(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION).isAdded())
        transaction.add(viewPager.getId(), fragmentList.get(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION),
                CommentsToMeTimeLineFragment.class.getName());
    if (!fragmentList.get(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION).isAdded())
        transaction.add(viewPager.getId(), fragmentList.get(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION),
                CommentsByMeTimeLineFragment.class.getName());
    if (!transaction.isEmpty()) {
        transaction.commit();
        fragment.getChildFragmentManager().executePendingTransactions();
    }
}

Example 3

Source File: HotHuaTiViewPagerAdapter.java From iBeebo with GNU General Public License v3.0

6 votes

public HotHuaTiViewPagerAdapter(Fragment fragment, ViewPager viewPager, FragmentManager fm, SparseArray<Fragment> fragmentList, List<String> titleList) {
    super(fm);
    this.mFragmentList = fragmentList;
    this.mTitleList = titleList;

    for (int i = 0; i < this.mFragmentList.size(); i++) {
        tagList.append(i, this.mFragmentList.get(i).getClass().getName());
    }


    FragmentTransaction transaction = fragment.getChildFragmentManager().beginTransaction();

    for (int i = 0; i < fragmentList.size(); i++) {
        Fragment ft = this.mFragmentList.get(i);
        if (!ft.isAdded()) {
            transaction.add(viewPager.getId(), mFragmentList.get(i), ft.getClass().getName());
        }
    }

    if (!transaction.isEmpty()) {
        transaction.commit();
        fragment.getChildFragmentManager().executePendingTransactions();
    }
}

Example 4

Source File: ViewPagerFragmentAdapter.java From iBeebo with GNU General Public License v3.0

6 votes

public ViewPagerFragmentAdapter(Fragment fragment, ViewPager viewPager, FragmentManager fm, ArrayList<ChildPage> fragmentList) {
    super(fm);
    this.mFragmentList = fragmentList;

    FragmentTransaction transaction = fragment.getChildFragmentManager().beginTransaction();

    for (int i = 0; i < fragmentList.size(); i++) {
        Fragment ft = this.mFragmentList.get(i).getmFragment();
        if (!ft.isAdded()) {
            transaction.add(viewPager.getId(), ft, ft.getClass().getName() + i);
        }
    }

    if (!transaction.isEmpty()) {
        transaction.commit();
        fragment.getChildFragmentManager().executePendingTransactions();
    }
}

Example 5

Source File: ViewPagerFragmentAdapter.java From iBeebo with GNU General Public License v3.0

6 votes

public ViewPagerFragmentAdapter(Fragment fragment, ViewPager viewPager, FragmentManager fm, ArrayList<ChildPage> fragmentList) {
    super(fm);
    this.mFragmentList = fragmentList;

    FragmentTransaction transaction = fragment.getChildFragmentManager().beginTransaction();

    for (int i = 0; i < fragmentList.size(); i++) {
        Fragment ft = this.mFragmentList.get(i).getmFragment();
        if (!ft.isAdded()) {
            transaction.add(viewPager.getId(), ft, ft.getClass().getName() + i);
        }
    }

    if (!transaction.isEmpty()) {
        transaction.commit();
        fragment.getChildFragmentManager().executePendingTransactions();
    }
}

Example 6

Source File: ActionBarWrapper.java From Libraries-for-Android-Developers with MIT License

6 votes

@Override
public void onTabReselected(android.app.ActionBar.Tab tab, android.app.FragmentTransaction ft) {
    if (mListener != null) {
        FragmentTransaction trans = null;
        if (mActivity instanceof FragmentActivity) {
            trans = ((FragmentActivity)mActivity).getSupportFragmentManager().beginTransaction()
                    .disallowAddToBackStack();
        }

        mListener.onTabReselected(this, trans);

        if (trans != null && !trans.isEmpty()) {
            trans.commit();
        }
    }
}

Example 7

Source File: ActionBarWrapper.java From zhangshangwuda with Apache License 2.0

6 votes

@Override
public void onTabReselected(android.app.ActionBar.Tab tab, android.app.FragmentTransaction ft) {
    if (mListener != null) {
        FragmentTransaction trans = null;
        if (mActivity instanceof FragmentActivity) {
            trans = ((FragmentActivity)mActivity).getSupportFragmentManager().beginTransaction()
                    .disallowAddToBackStack();
        }

        mListener.onTabReselected(this, trans);

        if (trans != null && !trans.isEmpty()) {
            trans.commit();
        }
    }
}

Example 8

Source File: HotHuaTiViewPagerAdapter.java From iBeebo with GNU General Public License v3.0

6 votes

public HotHuaTiViewPagerAdapter(Fragment fragment, ViewPager viewPager, FragmentManager fm, SparseArray<Fragment> fragmentList, List<String> titleList) {
    super(fm);
    this.mFragmentList = fragmentList;
    this.mTitleList = titleList;

    for (int i = 0; i < this.mFragmentList.size(); i++) {
        tagList.append(i, this.mFragmentList.get(i).getClass().getName());
    }


    FragmentTransaction transaction = fragment.getChildFragmentManager().beginTransaction();

    for (int i = 0; i < fragmentList.size(); i++) {
        Fragment ft = this.mFragmentList.get(i);
        if (!ft.isAdded()) {
            transaction.add(viewPager.getId(), mFragmentList.get(i), ft.getClass().getName());
        }
    }

    if (!transaction.isEmpty()) {
        transaction.commit();
        fragment.getChildFragmentManager().executePendingTransactions();
    }
}

Example 9

Source File: CommentsTimeLinePagerAdapter.java From iBeebo with GNU General Public License v3.0

6 votes

public CommentsTimeLinePagerAdapter(CommentsTimeLineFragment fragment, ViewPager viewPager, FragmentManager fm,
                                    SparseArray<Fragment> fragmentList) {
    super(fm);
    this.fragmentList = fragmentList;
    fragmentList.append(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION,
            fragment.getCommentsToMeTimeLineFragment());
    fragmentList.append(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION,
            fragment.getCommentsByMeTimeLineFragment());
    FragmentTransaction transaction = fragment.getChildFragmentManager().beginTransaction();
    if (!fragmentList.get(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION).isAdded())
        transaction.add(viewPager.getId(), fragmentList.get(CommentsTimeLineFragment.COMMENTS_TO_ME_CHILD_POSITION),
                CommentsToMeTimeLineFragment.class.getName());
    if (!fragmentList.get(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION).isAdded())
        transaction.add(viewPager.getId(), fragmentList.get(CommentsTimeLineFragment.COMMENTS_BY_ME_CHILD_POSITION),
                CommentsByMeTimeLineFragment.class.getName());
    if (!transaction.isEmpty()) {
        transaction.commit();
        fragment.getChildFragmentManager().executePendingTransactions();
    }
}

Example 10

Source File: ActionBarWrapper.java From zen4android with MIT License

6 votes

@Override
public void onTabReselected(android.app.ActionBar.Tab tab, android.app.FragmentTransaction ft) {
    if (mListener != null) {
        FragmentTransaction trans = null;
        if (mActivity instanceof FragmentActivity) {
            trans = ((FragmentActivity)mActivity).getSupportFragmentManager().beginTransaction()
                    .disallowAddToBackStack();
        }

        mListener.onTabReselected(this, trans);

        if (trans != null && !trans.isEmpty()) {
            trans.commit();
        }
    }
}

Example 11

Source File: ActionBarImpl.java From zhangshangwuda with Apache License 2.0

5 votes

@Override
public void selectTab(Tab tab) {
    if (getNavigationMode() != NAVIGATION_MODE_TABS) {
        mSavedTabPosition = tab != null ? tab.getPosition() : INVALID_POSITION;
        return;
    }

    FragmentTransaction trans = null;
    if (mActivity instanceof FragmentActivity) {
        trans = ((FragmentActivity)mActivity).getSupportFragmentManager().beginTransaction()
                .disallowAddToBackStack();
    }

    if (mSelectedTab == tab) {
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabReselected(mSelectedTab, trans);
            mTabScrollView.animateToTab(tab.getPosition());
        }
    } else {
        mTabScrollView.setTabSelected(tab != null ? tab.getPosition() : Tab.INVALID_POSITION);
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabUnselected(mSelectedTab, trans);
        }
        mSelectedTab = (TabImpl) tab;
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabSelected(mSelectedTab, trans);
        }
    }

    if (trans != null && !trans.isEmpty()) {
        trans.commit();
    }
}

Example 12

Source File: ActionBarImpl.java From CSipSimple with GNU General Public License v3.0

5 votes

@Override
public void selectTab(Tab tab) {
    if (getNavigationMode() != NAVIGATION_MODE_TABS) {
        mSavedTabPosition = tab != null ? tab.getPosition() : INVALID_POSITION;
        return;
    }

    FragmentTransaction trans = null;
    if (mActivity instanceof FragmentActivity) {
        trans = ((FragmentActivity)mActivity).getSupportFragmentManager().beginTransaction()
                .disallowAddToBackStack();
    }

    if (mSelectedTab == tab) {
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabReselected(mSelectedTab, trans);
            mTabScrollView.animateToTab(tab.getPosition());
        }
    } else {
        mTabScrollView.setTabSelected(tab != null ? tab.getPosition() : Tab.INVALID_POSITION);
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabUnselected(mSelectedTab, trans);
        }
        mSelectedTab = (TabImpl) tab;
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabSelected(mSelectedTab, trans);
        }
    }

    if (trans != null && !trans.isEmpty()) {
        trans.commit();
    }
}

Example 13

Source File: MainTimeLineActivity.java From iBeebo with GNU General Public License v3.0

5 votes

private void initFragments() {
    Fragment timeLineFragment = getMainTimeLineFragment();
    Fragment favFragment = getFavFragment();

    Fragment hotWeiboFragment = getHotWeiboViewPagerFragment();

    Fragment hotHuatiFragment = getHotHuaTiViewPagerFragment();

    FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
    if (!timeLineFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, timeLineFragment, MainTimeLineFragment.class.getName());
        fragmentTransaction.hide(timeLineFragment);
    }

    if (!favFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, favFragment, MyFavListFragment.class.getName());
        fragmentTransaction.hide(favFragment);
    }

    if (!hotWeiboFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, hotWeiboFragment, HotWeiboViewPagerFragment.class.getName());
        fragmentTransaction.hide(hotWeiboFragment);
    }

    if (!hotHuatiFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, hotHuatiFragment, HotHuaTiViewPagerFragment.class.getName());
        fragmentTransaction.hide(hotHuatiFragment);
    }

    if (!fragmentTransaction.isEmpty()) {
        fragmentTransaction.commit();
        getSupportFragmentManager().executePendingTransactions();
    }
}

Example 14

Source File: FragmentUtil.java From android-vlc-remote with GNU General Public License v3.0

5 votes

public void removeFragmentsByTag(String... tags) {
    FragmentTransaction ft = fm.beginTransaction();
    for(String tag : tags) {
        Fragment f = fm.findFragmentByTag(tag);
        if(f != null) {
            ft.remove(f);
        }
    }
    if(!ft.isEmpty()) {
        ft.commit();
        fm.executePendingTransactions();
    }
}

Example 15

Source File: ActionBarImpl.java From android-apps with MIT License

5 votes

@Override
public void selectTab(Tab tab) {
    if (getNavigationMode() != NAVIGATION_MODE_TABS) {
        mSavedTabPosition = tab != null ? tab.getPosition() : INVALID_POSITION;
        return;
    }

    FragmentTransaction trans = null;
    if (mActivity instanceof SherlockFragmentActivity) {
        trans = ((SherlockFragmentActivity)mActivity).getSupportFragmentManager().beginTransaction()
                .disallowAddToBackStack();
    }

    if (mSelectedTab == tab) {
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabReselected(mSelectedTab, trans);
            mTabScrollView.animateToTab(tab.getPosition());
        }
    } else {
        mTabScrollView.setTabSelected(tab != null ? tab.getPosition() : Tab.INVALID_POSITION);
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabUnselected(mSelectedTab, trans);
        }
        mSelectedTab = (TabImpl) tab;
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabSelected(mSelectedTab, trans);
        }
    }

    if (trans != null && !trans.isEmpty()) {
        trans.commit();
    }
}

Example 16

Source File: MainTimeLineActivity.java From iBeebo with GNU General Public License v3.0

5 votes

private void initFragments() {
    Fragment timeLineFragment = getMainTimeLineFragment();
    Fragment favFragment = getFavFragment();

    Fragment hotWeiboFragment = getHotWeiboViewPagerFragment();

    Fragment hotHuatiFragment = getHotHuaTiViewPagerFragment();

    FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction();
    if (!timeLineFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, timeLineFragment, MainTimeLineFragment.class.getName());
        fragmentTransaction.hide(timeLineFragment);
    }

    if (!favFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, favFragment, MyFavListFragment.class.getName());
        fragmentTransaction.hide(favFragment);
    }

    if (!hotWeiboFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, hotWeiboFragment, HotWeiboViewPagerFragment.class.getName());
        fragmentTransaction.hide(hotWeiboFragment);
    }

    if (!hotHuatiFragment.isAdded()) {
        fragmentTransaction.add(R.id.center_frame_layout, hotHuatiFragment, HotHuaTiViewPagerFragment.class.getName());
        fragmentTransaction.hide(hotHuatiFragment);
    }

    if (!fragmentTransaction.isEmpty()) {
        fragmentTransaction.commit();
        getSupportFragmentManager().executePendingTransactions();
    }
}

Example 17

Source File: MainActivity.java From ui with Apache License 2.0

4 votes

@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
	       // Check whether the activity is using the layout version with
        // the fragment_container FrameLayout. If so, we must add the first fragment
        if (findViewById(R.id.frag_container) == null ) {
        	//landscape or large mode.  both fragments will be displayed on the screen.
        	Log.d("fd3", "two pane");
        	TwoPane = true;
        } else { 
          //protrait mode
        	Log.d("fd3", "one pane");
         //get them if they already exist else create them.
        	firstFragment = (titlefrag) getSupportFragmentManager().findFragmentByTag("first");
        	if (firstFragment == null) {
        		firstFragment = new titlefrag();
        	}
        	secondFragment = (textFrag) getSupportFragmentManager().findFragmentByTag("Second");
        	if (secondFragment == null) {
        		secondFragment = new textFrag();
    	        Bundle args = new Bundle();
    	        args.putInt("position",  0);
    	        secondFragment.setArguments(args);
        	}
        	FragmentManager fragmentManager = getSupportFragmentManager();
		    FragmentTransaction remove = fragmentManager.beginTransaction();
		    remove.remove(firstFragment);
		    remove.remove(secondFragment);
		    if (!remove.isEmpty()) {
		        remove.commit();
		        fragmentManager.executePendingTransactions();
		    }
            // However, if we're being restored from a previous state,
            // then we don't need to do anything and should return or else
            // we could end up with overlapping fragments.
//        	if (savedInstanceState != null) {
//                return; 
//            }
            // In case this activity was started with special instructions from an Intent,
            // pass the Intent's extras to the fragment as arguments
//            firstFragment.setArguments(getIntent().getExtras());

            // Add the fragment to the 'fragment_container' FrameLayout
            fragmentManager.beginTransaction().replace(R.id.frag_container, firstFragment, "first").commit();
        }
	}

Example 18

Source File: ActionbarActivity.java From ui with Apache License 2.0

4 votes

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_actionbar);

	//turn on up button
	getSupportActionBar().setDisplayHomeAsUpEnabled(true);

	
	FragmentManager fragmentManager = getSupportFragmentManager();
	if (savedInstanceState != null) {
		one = (PageFragment) fragmentManager.getFragment(savedInstanceState, "ONE");
		two = (PageFragment) fragmentManager.getFragment(savedInstanceState, "TWO");
		three = (PageFragment) fragmentManager.getFragment(savedInstanceState, "THREE");
		four = (PageFragment) fragmentManager.getFragment(savedInstanceState, "FOUR");
		five = (PageFragment) fragmentManager.getFragment(savedInstanceState, "FIVE");
		//since survived, need to clean up or I can't add them to the pagers adapter again.
		FragmentTransaction remove = fragmentManager.beginTransaction();
		remove.remove(one);
		remove.remove(two);
		remove.remove(three);
		remove.remove(four);
		remove.remove(five);
		if (!remove.isEmpty()) {
			remove.commit();
			fragmentManager.executePendingTransactions();
		}
	} else {
		one = PageFragment.create(1);
		two = PageFragment.create(2);
		three = PageFragment.create(3);
		four = PageFragment.create(4);
		five = PageFragment.create(5);
	}

	viewPager = (ViewPager) findViewById(R.id.pager);
	mPagerAdapter = new myFragmentPagerAdapter(5);
	viewPager.setAdapter(mPagerAdapter);
	//viewPager.setCurrentItem(2);
	//we need to know when a page has changed, so we can change/fix the next/previous/finish buttons
	viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
		@Override
		public void onPageSelected(int position) {
			supportInvalidateOptionsMenu();
		}
	});
}

Example 19

Source File: MainActivity.java From ui with Apache License 2.0

4 votes

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	//getSupportFragmentManager().beginTransaction().add(R.id.frag_container, firstFragment).commit();
	
	//first find the 3 fragments, if create them as needed.
	//Remember fragments can survive the restart of an activity on orientation change.
	FragmentManager fragmentManager = getSupportFragmentManager();
	if (savedInstanceState != null) {
		leftfrag = (FragLeft) fragmentManager.getFragment(savedInstanceState, "LEFT");
		midfrag  = (FragMid) fragmentManager.getFragment(savedInstanceState,"MIDDLE");
		rightfrag = (FragRight) fragmentManager.getFragment(savedInstanceState,"RIGHT");
		//since survived, remove them from the fragment manager, so don't double add them.
	    FragmentTransaction remove = fragmentManager.beginTransaction();
	    remove.remove(leftfrag);
	    remove.remove(midfrag);
	    remove.remove(rightfrag);
	    if (!remove.isEmpty()) {
	        remove.commit();
	        fragmentManager.executePendingTransactions();
	    }
	} else {
    	leftfrag = new FragLeft();
    	midfrag = new FragMid();
    	rightfrag = new FragRight();
    }

	viewPager = (ViewPager) findViewById(R.id.pager);
	if (viewPager != null) {
	  //in portrait mode
	  viewPager.setAdapter(new ThreeFragmentPagerAdapter(fragmentManager));
	} else {
		//in landscape mode
	      fragmentManager.beginTransaction()
          .add(R.id.frag_left, leftfrag, "LEFT")
          .add(R.id.frag_mid, midfrag, "MIDDLE")
          .add(R.id.frag_right, rightfrag, "RIGHT")
          .commit();
	}
}

Example 20

Source File: ActionbarActivity.java From ui with Apache License 2.0

4 votes

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);

	FragmentManager fragmentManager = getSupportFragmentManager();
	if (savedInstanceState != null) {
		one = (PageFragment) fragmentManager.getFragment(savedInstanceState, "ONE");
		two = (PageFragment) fragmentManager.getFragment(savedInstanceState, "TWO");
		three = (PageFragment) fragmentManager.getFragment(savedInstanceState, "THREE");
		four = (PageFragment) fragmentManager.getFragment(savedInstanceState, "FOUR");
		five = (PageFragment) fragmentManager.getFragment(savedInstanceState, "FIVE");
		//since survived, need to clean up or I can't add them to the pagers adapter again.
		FragmentTransaction remove = fragmentManager.beginTransaction();
		remove.remove(one);
		remove.remove(two);
		remove.remove(three);
		remove.remove(four);
		remove.remove(five);
		if (!remove.isEmpty()) {
			remove.commit();
			fragmentManager.executePendingTransactions();
		}
	} else {
		one = PageFragment.create(1);
		two = PageFragment.create(2);
		three = PageFragment.create(3);
		four = PageFragment.create(4);
		five = PageFragment.create(5);
	}

	viewPager = (ViewPager) findViewById(R.id.pager);
	mPagerAdapter = new myFragmentPagerAdapter(5);
	viewPager.setAdapter(mPagerAdapter);
	//viewPager.setCurrentItem(2);
	//we need to know when a page has changed, so we can change/fix the next/previous/finish buttons
	viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
		@SuppressLint("NewApi")
		@Override
		public void onPageSelected(int position) {
			// When changing pages, reset the action bar actions since they are dependent
			// on which page is currently active. An alternative approach is to have each
			// fragment expose actions itself (rather than the activity exposing actions),
			// but for simplicity, the activity provides the actions in this sample.
			if (Build.VERSION.SDK_INT>=Build.VERSION_CODES.HONEYCOMB) {  //should kept this demo from force closing if run on the wrong API... I think...
				//Note, if below HONEYCOMB, then no buttons, because no actionbar.
				invalidateOptionsMenu();}
		}
	});
}