Java Code Examples for android.app.FragmentTransaction#show()

private void toggleCallControlFragmentVisibility() {
    if (!iceConnected || !callFragment.isAdded()) {
        return;
    }
    // Show/hide call control fragment
    callControlFragmentVisible = !callControlFragmentVisible;
    FragmentTransaction ft = getFragmentManager().beginTransaction();
    if (callControlFragmentVisible) {
        ft.show(callFragment);
        ft.show(hudFragment);
    } else {
        ft.hide(callFragment);
        ft.hide(hudFragment);
    }
    ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
    ft.commit();
}
 

/**
 * 用Fragment替换视图
 *
 * @param resView        将要被替换掉的视图
 * @param targetFragment 用来替换的Fragment
 */
public void changeFragment(int resView, KJFragment targetFragment) {
    if (targetFragment.equals(currentKJFragment)) {
        return;
    }
    FragmentTransaction transaction = getFragmentManager()
            .beginTransaction();
    if (!targetFragment.isAdded()) {
        transaction.add(resView, targetFragment, targetFragment.getClass()
                .getName());
    }
    if (targetFragment.isHidden()) {
        transaction.show(targetFragment);
        targetFragment.onChange();
    }
    if (currentKJFragment != null && currentKJFragment.isVisible()) {
        transaction.hide(currentKJFragment);
    }
    currentKJFragment = targetFragment;
    transaction.commit();
}
 

/**
 * 用Fragment替换视图
 *
 * @param resView        将要被替换掉的视图
 * @param targetFragment 用来替换的Fragment
 */
public void changeFragment(int resView, KJFragment targetFragment) {
    if (targetFragment.equals(currentKJFragment)) {
        return;
    }
    FragmentTransaction transaction = getFragmentManager()
            .beginTransaction();
    if (!targetFragment.isAdded()) {
        transaction.add(resView, targetFragment, targetFragment.getClass()
                .getName());
    }
    if (targetFragment.isHidden()) {
        transaction.show(targetFragment);
        targetFragment.onChange();
    }
    if (currentKJFragment != null && currentKJFragment.isVisible()) {
        transaction.hide(currentKJFragment);
    }
    currentKJFragment = targetFragment;
    transaction.commit();
}
 

private LyricsViewFragment init(FragmentManager fragmentManager, boolean startEmpty) {
    LyricsViewFragment lyricsViewFragment = (LyricsViewFragment) fragmentManager.findFragmentByTag(LYRICS_FRAGMENT_TAG);
    if (lyricsViewFragment == null || lyricsViewFragment.isDetached())
        lyricsViewFragment = new LyricsViewFragment();
    lyricsViewFragment.startEmpty(startEmpty);
    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
    fragmentTransaction.setCustomAnimations(R.animator.slide_in_end, R.animator.slide_out_start, R.animator.slide_in_start, R.animator.slide_out_end);
    if (!lyricsViewFragment.isAdded()) {
        fragmentTransaction.add(id.main_fragment_container, lyricsViewFragment, LYRICS_FRAGMENT_TAG);
    }

    Fragment[] activeFragments = getActiveFragments();
    displayedFragment = getDisplayedFragment(activeFragments);

    for (Fragment fragment : activeFragments)
        if (fragment != null) {
            if (fragment != displayedFragment && !fragment.isHidden()) {
                fragmentTransaction.hide(fragment);
                fragment.onHiddenChanged(true);
            } else if (fragment == displayedFragment)
                fragmentTransaction.show(fragment);
        }
    fragmentTransaction.commit();
    return lyricsViewFragment;
}
 

private void switchTo(int id) {
	FragmentTransaction ft = mManager.beginTransaction();
	ft.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out, android.R.animator.fade_in, android.R.animator.fade_out);
	
	for (int i = 0; i < mFragments.length; i++) {
		Fragment f = mFragments[i];
		
		if (f != null) {
			if (i != id) {
				ft.hide(f);
			} else {
				ft.show(f);
			}
		}
	}
	
	ft.commit();
}
 

void updateFragmentVisibility() {
    FragmentTransaction ft = getFragmentManager().beginTransaction();
    if (mCheckBox1.isChecked()) ft.show(mFragment1);
    else ft.hide(mFragment1);
    if (mCheckBox2.isChecked()) ft.show(mFragment2);
    else ft.hide(mFragment2);
    ft.commit();
}
 

private void switchFragment(int index) {
    if (index == mCurrentIndex) return;

    Fragment fragment = mFragments.get(index);
    FragmentTransaction transaction =
            mFragmentManager
                    .beginTransaction()
                    .setCustomAnimations(R.animator.fragment_in, R.animator.fragment_out);

    String indexString = String.valueOf(index);
    Fragment targetFragment = mFragmentManager.findFragmentByTag(indexString);

    if (mCurrentIndex != -1) {
        // 不是首次启动
        transaction.hide(mFragments.get(mCurrentIndex));
    }

    if (targetFragment == null) {
        // 之前没有添加过
        transaction.add(R.id.fl_content, fragment, indexString);
    } else {
        transaction.show(targetFragment);
    }

    transaction.commit();
    mCurrentIndex = index;
}
 

private void showInfo ()
{
 FragmentManager fm = getFragmentManager();
 FragmentTransaction ft = fm.beginTransaction();
 ft.hide(fm.findFragmentById(R.id.status_list));
 ft.show(fm.findFragmentById(R.id.info_screen));
 ft.hide(fm.findFragmentById(R.id.device_list));
 
  ft.commit();
}
 

private void showNearby ()
{
 FragmentManager fm = getFragmentManager();
 FragmentTransaction ft = fm.beginTransaction();
 ft.hide(fm.findFragmentById(R.id.status_list));
 ft.hide(fm.findFragmentById(R.id.info_screen));
 ft.show(fm.findFragmentById(R.id.device_list));
 
  ft.commit();
}
 

private void showStatus ()
{
FragmentManager fm = getFragmentManager();
 FragmentTransaction ft = fm.beginTransaction();
 ft.show(fm.findFragmentById(R.id.status_list));
 ft.hide(fm.findFragmentById(R.id.device_list));
 ft.hide(fm.findFragmentById(R.id.info_screen));

  ft.commit();
}
 

private static
void switchToFragment(Fragment fragment, boolean addToBackStack)
{
    if(fragment.isHidden())
    {
        Fragment[] fragments = {
                s_fragmentFavourites, s_fragmentManage, s_fragmentFeeds, s_fragmentSettings
        };
        FragmentTransaction transaction = s_fragmentManager.beginTransaction();

        for(Fragment frag : fragments)
        {
            if(frag.isVisible())
            {
                transaction.hide(frag);
            }
        }
        transaction.show(fragment);
        if(addToBackStack)
        {
            transaction.addToBackStack(null);

            // Set the default transition for adding to the stack.
            transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
        }
        transaction.commit();
        s_fragmentManager.executePendingTransactions();
        fragment.getActivity().invalidateOptionsMenu();
    }
}
 

static
void showFragments(Fragment... fragments)
{
    FragmentTransaction transaction = s_fragmentManager.beginTransaction();
    for(Fragment fragment : fragments)
    {
        transaction.show(fragment);
    }
    transaction.commit();
}
 

private boolean showCamera(CallbackContext callbackContext) {
  if(this.hasView(callbackContext) == false){
    return true;
  }

  FragmentManager fragmentManager = cordova.getActivity().getFragmentManager();
  FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
  fragmentTransaction.show(fragment);
  fragmentTransaction.commit();

  callbackContext.success();
  return true;
}
 

public void onTabSelect(View v) {
	int id = v.getId();
	FragmentManager manager = getFragmentManager();
	FragmentTransaction transaction = manager.beginTransaction();
	hideFragments(transaction);
	setNormalBackgrounds();
	if (id == R.id.btn_message) {
		if (conversationFragment == null) {
			conversationFragment = new LoveFragment();
			transaction.add(R.id.fragment_container, conversationFragment);
		}
		transaction.show(conversationFragment);
	} else if (id == R.id.btn_contact) {
		if (contactFragment == null) {
			contactFragment = new ContactFragment();
			transaction.add(R.id.fragment_container, contactFragment);
		}
		transaction.show(contactFragment);
	} else if (id == R.id.btn_discover) {
		if (discoverFragment == null) {
			discoverFragment = new MeetFragment();
			transaction.add(R.id.fragment_container, discoverFragment);
		}
		transaction.show(discoverFragment);
	} else if (id == R.id.btn_my_space) {
		if (mySpaceFragment == null) {
			mySpaceFragment = new MySpaceFragment();
			transaction.add(R.id.fragment_container, mySpaceFragment);
		}
		transaction.show(mySpaceFragment);
	}
	int pos;
	for (pos = 0; pos < FRAGMENT_N; pos++) {
		if (tabs[pos] == v) {
			break;
		}
	}
	transaction.commit();
	setTopDrawable(tabs[pos], tabsActiveBackIds[pos]);
}
 

private void navToFragment(boolean isMain) {
    FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
    if (isMain) {
        fragmentTransaction.show(mMain);
        mToolbar.setTitle(R.string.title_activity_user);
        mIsMain = true;
    } else {
        fragmentTransaction.hide(mMain);


        mToolbar.setTitle(R.string.title_activity_follow);
        mIsMain = false;
    }
    fragmentTransaction.commit();
}
 

/**使用本方法前必须先add*/
public void show(Fragment fragment){
    if (currentFragment==fragment) {
        return;//如果是当前fragment，则不重新show一遍了，无意义
    }
    FragmentTransaction ft = fm.beginTransaction();
    for (Fragment f:fs) {
        ft.hide(f);
    }
    ft.show(fragment);
    ft.commit();
    currentFragment = fragment;
}
 

/**
 * Hides every tab and shows search UI for phone lookup.
 */
private void enterSearchUi() {
    if (mSearchFragment == null) {
        // We add the search fragment dynamically in the first onLayoutChange() and
        // mSearchFragment is set sometime later when the fragment transaction is actually
        // executed, which means there's a window when users are able to hit the (physical)
        // search key but mSearchFragment is still null.
        // It's quite hard to handle this case right, so let's just ignore the search key
        // in this case.  Users can just hit it again and it will work this time.
        return;
    }
    if (mSearchView == null) {
        prepareSearchView();
    }

    final ActionBar actionBar = getActionBar();

    final Tab tab = actionBar.getSelectedTab();

    // User can search during the call, but we don't want to remember the status.
    if (tab != null && !DialpadFragment.phoneIsInUse()) {
        mLastManuallySelectedFragment = tab.getPosition();
    }

    mSearchView.setQuery(null, true);

    actionBar.setDisplayShowCustomEnabled(true);
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
    actionBar.setDisplayShowHomeEnabled(true);
    actionBar.setDisplayHomeAsUpEnabled(true);

    updateFakeMenuButtonsVisibility(false);

    for (int i = 0; i < TAB_INDEX_COUNT; i++) {
        sendFragmentVisibilityChange(i, false /* not visible */ );
    }

    // Show the search fragment and hide everything else.
    mSearchFragment.setUserVisibleHint(true);
    final FragmentTransaction transaction = getFragmentManager().beginTransaction();
    transaction.show(mSearchFragment);
    transaction.commitAllowingStateLoss();
    mViewPager.setVisibility(View.GONE);

    // We need to call this and onActionViewCollapsed() manually, since we are using a custom
    // layout instead of asking the search menu item to take care of SearchView.
    mSearchView.onActionViewExpanded();
    mInSearchUi = true;
}
 

private void selectItem(int position) {
    FragmentManager fragmentManager = getFragmentManager();
    Fragment newFragment;
    String tag;
    switch (position) {
        default:
            // Lyrics
            tag = LYRICS_FRAGMENT_TAG;
            newFragment = fragmentManager.findFragmentByTag(tag);
            if (newFragment == null || !(newFragment instanceof LyricsViewFragment))
                newFragment = new LyricsViewFragment();
            ((LyricsViewFragment) newFragment).showTransitionAnim = true;
            break;
        case 1:
            // Recent Tracks
            tag = RECENT_TRACKS_FRAGMENT_TAG;
            newFragment = fragmentManager.findFragmentByTag(tag);
            if (newFragment == null || !(newFragment instanceof RecentTracksFragment))
                newFragment = new RecentTracksFragment();
            ((RecentTracksFragment) newFragment).showTransitionAnim = true;
            break;
        case 2:
            // Saved Lyrics
            tag = LOCAL_LYRICS_FRAGMENT_TAG;
            newFragment = fragmentManager.findFragmentByTag(tag);
            if (newFragment == null || !(newFragment instanceof LocalLyricsFragment))
                newFragment = new LocalLyricsFragment();
            ((LocalLyricsFragment) newFragment).showTransitionAnim = true;
            break;
        case 3:
            // Separator
            return;
        case 4:
            // Settings
            if (drawer instanceof DrawerLayout)
                ((DrawerLayout) drawer).closeDrawer(drawerView);
            drawer.postDelayed(new Runnable() {
                @Override
                public void run() {
                    Intent settingsIntent = new Intent(MainActivity.this, SettingsActivity.class);
                    startActivityForResult(settingsIntent, 77);
                }
            }, 250);
            return;
        case 5:
            // Feedback
            return;
        case 6:
            // About Dialog
            if (drawer instanceof DrawerLayout)
                ((DrawerLayout) drawer).closeDrawer(drawerView);
            drawer.postDelayed(new Runnable() {
                @Override
                public void run() {
                    Intent aboutIntent = new Intent(MainActivity.this, AboutActivity.class);
                    startActivityForResult(aboutIntent, 77);
                }
            }, 250);
            return;
    }

    final Fragment activeFragment = getDisplayedFragment(getActiveFragments());
    prepareAnimations(activeFragment);

    // Insert the fragment by replacing any existing fragment
    if (newFragment != activeFragment) {
        if (mActionMode != null)
            mActionMode.finish();
        FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
        fragmentTransaction.setCustomAnimations(R.animator.slide_in_start, R.animator.slide_out_start, R.animator.slide_in_start, R.animator.slide_out_start);
        fragmentTransaction.hide(activeFragment);
        if (newFragment.isAdded())
            fragmentTransaction.show(newFragment);
        else
            fragmentTransaction.add(id.main_fragment_container, newFragment, tag);
        ((CollapsingToolbarLayout) findViewById(R.id.toolbar_layout)).setCollapsedTitleTextColor(Color.WHITE);
        fragmentTransaction.commitAllowingStateLoss();
        if (activeFragment instanceof LyricsViewFragment || newFragment instanceof LyricsViewFragment) {
            final Fragment newFragmentCopy = newFragment;
            activeFragment.getView().postDelayed(() -> {
                if (activeFragment instanceof LyricsViewFragment && activeFragment.getView() != null) {
                    expandToolbar(false);
                    showRefreshFab(false);
                } else if (newFragmentCopy instanceof LyricsViewFragment && activeFragment.getView() != null) {
                    expandToolbar(true);
                    showRefreshFab(true);
                }
            }, getResources().getInteger(android.R.integer.config_longAnimTime));
        }
        MaterialSuggestionsSearchView suggestionsSearchView = findViewById(id.material_search_view);
        if (suggestionsSearchView.isSearchOpen())
            suggestionsSearchView.closeSearch();
    }
    if (drawer instanceof DrawerLayout && (newFragment == activeFragment))
        ((DrawerLayout) drawer).closeDrawer(drawerView);
}
 

private void switchToFragment(int i) {
    FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
    fragmentTransaction.setCustomAnimations(android.R.animator.fade_in,
            android.R.animator.fade_out);

    if (mCurrentFragmentIndex == i) {
        fragmentTransaction.add(R.id.fragmentContainer, getFragment(i));
        fragmentTransaction.commitAllowingStateLoss();
        mCurrentFragmentIndex = i;
        if (i == BOTTOM_ITEM_TITLE_MEIZI_INDEX) {
            mGirlFragmentAdded = true;
        }
        return;
    }

    fragmentTransaction.hide(getFragment(mCurrentFragmentIndex));

    switch (i) {
        case BOTTOM_ITEM_TITLE_MEIZI_INDEX:
            if (mGirlFragmentAdded) {
                fragmentTransaction.show(getFragment(i));
            } else {
                fragmentTransaction.add(R.id.fragmentContainer, getFragment(i));
                mGirlFragmentAdded = true;
            }
            break;
        case BOTTOM_ITEM_TITLE_ANDROID_INDEX:
            if (mAndroidFragmentAdded) {
                fragmentTransaction.show(getFragment(i));
            } else {
                fragmentTransaction.add(R.id.fragmentContainer, getFragment(i));
                mAndroidFragmentAdded = true;
            }
            break;
        case BOTTOM_ITEM_TITLE_IOS_INDEX:
            if (mIOSFragmentAdded) {
                fragmentTransaction.show(getFragment(i));
            } else {
                fragmentTransaction.add(R.id.fragmentContainer, getFragment(i));
                mIOSFragmentAdded = true;
            }
            break;
        case BOTTOM_ITEM_TITLE_VIDEO_INDEX:
            if (mVideoFragmentAdded) {
                fragmentTransaction.show(getFragment(i));
            } else {
                fragmentTransaction.add(R.id.fragmentContainer, getFragment(i));
                mVideoFragmentAdded = true;
            }
            break;
        case BOTTOM_ITEM_TITLE_WEB_INDEX:
            if (mWebFragmentAdded) {
                fragmentTransaction.show(getFragment(i));
            } else {
                fragmentTransaction.add(R.id.fragmentContainer, getFragment(i));
                mWebFragmentAdded = true;
            }
            break;
        default:
            break;
    }


    fragmentTransaction.commitAllowingStateLoss();
    mCurrentFragmentIndex = i;
}