android.support.v4.app.FragmentTransaction的实例源码

项目：Samantha    文件：FragmentTransactionHelper.java   

public void setCurrentItem(int itemId) {
    String name = makeFragmentName(containerId,itemId);
    Fragment fragment = manager.findFragmentByTag(name);
    FragmentTransaction fragmentTransaction = manager.beginTransaction();

    if (fragment != null) {
        fragmentTransaction.attach(fragment);
        if (fragment.isHidden()) {
            fragmentTransaction.show(fragment);
        }
    } else {
        fragment = getItem(itemId);
        fragmentTransaction.add(containerId,fragment,name);
    }
    if (fragment != current && current != null) {
        fragmentTransaction.hide(current);
    }
    current = fragment;
    fragmentTransaction.commit();
}

项目：orgzly-android    文件：displayManager.java   

/**
 * Show fragments listing books.
 * @param addToBackStack add to back stack or not
 */
public static void displayBooks(FragmentManager fragmentManager,boolean addToBackStack) {
    if (isFragmentdisplayed(fragmentManager,BooksFragment.FRAGMENT_TAG) != null) {
        return;
    }

    Fragment fragment = BooksFragment.getInstance();

    FragmentTransaction t = fragmentManager
            .beginTransaction()
            .setTransition(FRAGMENT_TRANSITION)
            .replace(R.id.single_pane_container,BooksFragment.FRAGMENT_TAG);

    if (addToBackStack) {
        t.addToBackStack(null);
    }

    t.commit();
}

项目：APIJSON-Android-RxJava    文件：BaseTabFragment.java   

/**选择并显示fragment
 * @param position
 */
public void selectFragment(int position) {
    if (currentPosition == position) {
        if (needReload == false && fragments[position] != null && fragments[position].isVisible()) {
            Log.w(TAG,"selectFragment currentPosition == position" +
                    " >> fragments[position] != null && fragments[position].isVisible()" +
                    " >> return;    ");
            return;
        }
    }
    if (needReload || fragments[position] == null) {
        fragments[position] = getFragment(position);
    }

    //全局的fragmentTransaction因为already committed 崩溃
    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
    fragmentTransaction.hide(fragments[currentPosition]);
    if (fragments[position].isAdded() == false) {
        fragmentTransaction.add(R.id.flBaseTabFragmentContainer,fragments[position]);
    }
    fragmentTransaction.show(fragments[position]).commit();

    this.currentPosition = position;
}

项目：Rotate3d    文件：MainActivity.java   

private void showFragmentV11(@IdRes int containerId,String showTag,String hideTag) {
    android.app.FragmentManager fragmentManager = getFragmentManager();
    android.app.FragmentTransaction transaction = fragmentManager.beginTransaction();
    AnimationHelper.setUpRotate3dAnimator(transaction);
    android.app.Fragment showFragment = fragmentManager.findFragmentByTag(showTag);
    if (showFragment == null) {
        showFragment = SampleFragmentV11.newInstance("SampleFragmentV11\n" + showTag);
        transaction.add(containerId,showFragment,showTag);
    } else {
        transaction.show(showFragment);
    }

    android.app.Fragment hideFragment = fragmentManager.findFragmentByTag(hideTag);
    if (hideFragment != null) {
        transaction.hide(hideFragment);
    }
    transaction.commit();
}

项目：Renrentou    文件：DeviceSearchActivity.java   

private void initCitySelect(){
    citySelectFragment = CitySelectFragment.newInstance(new CitySelectFragment.OnSelectCity() {
        @Override
        public void onSelectCity(String disCode) {
            districtCode = disCode;
            pullToRefreshLayout.showView(ViewStatus.LOADING_STATUS);
            if(list.isEmpty()){
                pullToRefreshLayout.showView(ViewStatus.LOADING_STATUS);
            }
            getP().refresh(searchText,disCode);
        }
    });
    FragmentManager fm = getSupportFragmentManager();
    FragmentTransaction ft = fm.beginTransaction();
    ft.add(R.id.city_fragment_container,citySelectFragment);
    ft.commit();
}

项目：KTalk    文件：MainActivity.java   

/**
 * onTabClicked
 * 
 * @param view
 */
public void onTabClicked(View view) {
    switch (view.getId()) {
    case R.id.btn_conversation:
        index = 0;
        break;
    case R.id.btn_address_list:
        index = 1;
        break;
    case R.id.btn_setting:
        index = 2;
        break;
    }
    if (currentTabIndex != index) {
        FragmentTransaction trx = getSupportFragmentManager().beginTransaction();
        trx.hide(fragments[currentTabIndex]);
        if (!fragments[index].isAdded()) {
            trx.add(R.id.fragment_container,fragments[index]);
        }
        trx.show(fragments[index]).commit();
    }
    mTabs[currentTabIndex].setSelected(false);
    // set current tab as selected.
    mTabs[index].setSelected(true);
    currentTabIndex = index;
}

项目：Hubs    文件：ExFragmentPagerAdapter.java   

/**
 * Trick:
 * Manually recreate fragment when corresponding data changed
 */
public void hackRecreateFragment(int position) {
    final FragmentTransaction transaction = mFragmentManager.beginTransaction();

    final String tag = makeFragmentTag(mContainerId,getItemId(position));
    final Fragment oldFrg = mFragmentManager.findFragmentByTag(tag);
    if (oldFrg != null) {
        final Fragment newFrg = getItem(position);
        transaction.remove(oldFrg);
        transaction.add(mContainerId,newFrg,tag);

        if (oldFrg != mCurrentPrimaryItem) {
            newFrg.setMenuVisibility(false);
            newFrg.setUserVisibleHint(false);

        } else {
            newFrg.setMenuVisibility(true);
            newFrg.setUserVisibleHint(true);
        }
    }

    transaction.commitNowAllowingStateLoss();
}

项目：TPlayer    文件：BaseActivity.java   

/**
 * 添加下一个Fragment，隐藏当前的Fragment
 * @param frameLayoutId
 * @param fragment
 */
protected void addFragment(int frameLayoutId,Fragment fragment) {
    if (fragment != null) {
        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
        if (fragment.isAdded()) {
            if (mFragment != null) {
                transaction.hide(mFragment).show(fragment);
            } else {
                transaction.show(fragment);
            }
        } else {
            if (mFragment != null) {
                transaction.hide(mFragment).add(frameLayoutId,fragment);
            } else {
                transaction.add(frameLayoutId,fragment);
            }
        }
        mFragment = fragment;
        transaction.commit();
    }
}

项目：TPlayer    文件：NavFragment.java   

private void switchFragment(NavButton oldNavButton,NavButton selectNav) {
    FragmentTransaction transaction = mFragmentManager.beginTransaction();
    if (oldNavButton != null) {
        if (oldNavButton.getFragment() != null) {
            transaction.detach(oldNavButton.getFragment());
        }
    }
    if (selectNav != null) {
        if (selectNav.getFragment() != null) {
            transaction.attach(selectNav.getFragment());
        } else {
            // Fragment.instantiate工具方法,再也不用自己newInstance().
            Fragment fragment = Fragment.instantiate(mContext,selectNav.getClx().getName(),null);
            transaction.add(mContainerId,selectNav.getNavBtnTag());
            selectNav.setFragment(fragment);
        }
    }
    transaction.commit();
}

项目：phonk    文件：EditorActivity.java   

/**
 *  Toggle API drawer
 */
public void showAPIDrawer(boolean b) {

    FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
    ft.setCustomAnimations(R.anim.slide_in_left,R.anim.slide_out_left,R.anim.slide_out_left);

    if (b) {
        webviewFragment = new APIWebviewFragment();
        Bundle bundle = new Bundle();
        bundle.putString("url","http://localhost:8585/reference.html");
        webviewFragment.setArguments(bundle);
        ft.add(R.id.fragmentWebview,webviewFragment).addToBackStack(null);

        editorFragment.getView().animate().translationX(-50).setDuration(500).start();
    } else {
        editorFragment.getView().animate().translationX(0).setDuration(500).start();
        ft.remove(webviewFragment);
    }

    ft.commit();
}

项目：CoordinatorLayoutExample-master    文件：BaseMVPActivity.java   

protected void showFragment(int containerId,Fragment from,Fragment to,String tag) {
    FragmentManager supportFragmentManager = getSupportFragmentManager();
    FragmentTransaction transaction = supportFragmentManager.beginTransaction();
    if (!to.isAdded()) {    // 先判断是否被add过
        if (tag != null) {
            transaction.hide(from).add(containerId,to,tag);
        } else {
            transaction.hide(from).add(containerId,to);
        }

        // 隐藏当前的fragment，add下一个到Activity中
    } else {
        transaction.hide(from).show(to); // 隐藏当前的fragment，显示下一个
    }
    transaction.commit();

}

项目：OSchina_resources_android    文件：NavFragment.java   

@SuppressWarnings("RestrictedApi")
private void clearOldFragment() {
    FragmentTransaction transaction = mFragmentManager.beginTransaction();
    List<Fragment> fragments = mFragmentManager.getFragments();
    if (transaction == null || fragments == null || fragments.size() == 0)
        return;
    boolean doCommit = false;
    for (Fragment fragment : fragments) {
        if (fragment != this && fragment != null) {
            transaction.remove(fragment);
            doCommit = true;
        }
    }
    if (doCommit)
        transaction.commitNow();
}

项目：MTweaks-KernelAdiutorMOD    文件：ScreenFragment.java   

private void restoreValuesInit(List<RecyclerViewItem> items) {
    ButtonView2 bv = new ButtonView2();
    bv.setSummary(getString(R.string.restore_summary));
    bv.setButtonText(getString(R.string.restore_button));
    bv.setonItemClickListener(new ButtonView2.OnItemClickListener(){
        @Override
        public void onClick(RecyclerViewItem item) {
            Calibration.restoreCalibrationStockValues(getActivity());

            FragmentTransaction ft = getFragmentManager().beginTransaction();
            ft.replace(R.id.content_frame,new ScreenFragment()).commit();
        }
    });

    items.add(bv);
}

项目：DereHelper    文件：MainActivity.java   

private void switchFrag(BaseFragment fragment){
    setActionBarTitleAgain(fragment.getTitle());
    FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
    if (!fragments.get(fragment)){
        transaction.add(R.id.main_content,fragment);
        fragments.put(fragment,true);
    }
    for (BaseFragment baseFragment : fragments.keySet()) {
        if (baseFragment != null) transaction.hide(baseFragment);
    }
    transaction.show(fragment);
    transaction.commit();
    View.OnClickListener action_end = fragment.getMenuAction_end();
    if (action_end != null){
        initactionBar(ACTIONBAR_TYPE_CUSTOM,R.drawable.umi_ic_menu_white,R.drawable.ic_filter_list_white_24dp);
        actionBarEndAction(action_end);
    }else {
        initactionBar(ACTIONBAR_TYPE_CUSTOM,null);
    }
}

项目：Ocr-android    文件：MainActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        getwindow().getDecorView().setsystemUIVisibility(View.SYstem_UI_FLAG_LAYOUT_FULLSCREEN
                | View.SYstem_UI_FLAG_LAYOUT_STABLE);
        getwindow().setStatusBarColor(Color.TRANSPARENT);
    }
    setContentView(R.layout.activity_main);
    ButterKnife.bind(this);
    setSupportActionBar(mToolbar);
    ControlPanel.get().attachView(mLayoutPanel);
    getSupportFragmentManager().beginTransaction()
            .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE)
            .replace(R.id.fragment_container,new HomeFragment())
            .commit();
    getSupportFragmentManager().addOnBackStackChangedListener(new FragmentManager.OnBackStackChangedListener() {
        @Override
        public void onBackStackChanged() {
            if (getSupportFragmentManager().getBackStackEntryCount() == 0) {
                ControlPanel.get().expand(mLayoutPanel);
            }
        }
    });
}

项目：cniao5    文件：FragmentTabHost.java   

public void addTab(TabSpec tabSpec,Class<?> clss,Bundle args) {
    tabSpec.setContent(new DummyTabFactory(mContext));
    String tag = tabSpec.getTag();

    TabInfo info = new TabInfo(tag,clss,args);

    if (mAttached) {
        // If we are already attached to the window,then check to make
        // sure this tab's fragment is inactive if it exists. This shouldn't
        // normally happen.
        info.fragment = mFragmentManager.findFragmentByTag(tag);
        if (info.fragment != null && !info.fragment.isDetached()) {
            FragmentTransaction ft = mFragmentManager.beginTransaction();
            //              ft.detach(info.fragment);
            ft.hide(info.fragment);
            ft.commit();
        }
    }

    mTabs.add(info);
    addTab(tabSpec);
}

项目：Dynamic    文件：MainActivity.java   

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

    //加载某一个类
    loadDexClass();

    //加载一个fragment
    Fragment fragment = loadFragment() ;
    if ( fragment != null  ){
        FragmentManager fragmentManager = getSupportFragmentManager() ;
        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction() ;
        fragmentTransaction.add( R.id.fragmentrle,fragment  ) ;
        fragmentTransaction.commit() ;
    }
}

项目：ShotsNewsApp    文件：HomeActivity.java   

void btnclick(View view)
{
    //Fragment fragment=null;
    switch (view.getId()){
        case R.id.btn_learn:
            fragment=new On_going_Courses_Fragment();
            break;
        case R.id.btn_explore:
      //      getNews();
            fragment=new NewsFragment();
            break;
        case R.id.btn_profile:
            fragment=new profile_fragment();
            break;

    }
    FragmentManager fragmentManager=getSupportFragmentManager();
    FragmentTransaction fragmentTransaction=fragmentManager.beginTransaction();
    fragmentTransaction.replace(R.id.homeFrame_PlaceHolder,fragment);

    fragmentTransaction.commit();

}

项目：NightSkyGuide    文件：MainActivity.java   

private void displayObservAddEdit(DSObject dsObjectSelected,int viewID) {
    ObservationAddFragment observationFragment = new ObservationAddFragment();

    // specify dsObject as an argument to the addedit Fragment
    Bundle arguments = new Bundle();
    arguments.putParcelable("dsObjectArrayListItem",dsObjectSelected);
    observationFragment.setArguments(arguments);


    // use a FragmentTransaction to display the addedit Fragment
    FragmentTransaction transaction =
            getSupportFragmentManager().beginTransaction();
    transaction.replace(viewID,observationFragment);
    transaction.addToBackStack(null);
    transaction.commit();  // causes addedit Fragment to display
}

项目：HiBangClient    文件：FriendActivity.java   

public void init()
    {
        mFriendFragment = new HelpMeFriendFragment(mApplication,this,this);
        mHelperFragment = new MeHelpFriendFragment(mApplication,this);

        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        ft.replace(R.id.myfriend_layout_content,mFriendFragment).commit();
        currentFragment = false;
        //从数据库中获取存有四种好友状态的list
//      DBManage.context = FriendActivity.this;

//      mFriendList1 = FriendDB.newInstance(FriendActivity.this).getFriendByCount(mFriendCount1++,FriendState.TradING,HelpRelation.HELP_ME);

        mFriendList1 = DBManage.getFriendByCount(mFriendCount1++,HelpRelation.HELP_ME);
        mFriendList2 = DBManage.getFriendByCount(mFriendCount2++,FriendState.SUCCESS,HelpRelation.HELP_ME);     
        mHelperList1 = DBManage.getFriendByCount(mHelperCount1++,HelpRelation.ME_HELP);
        mHelperList2 = DBManage.getFriendByCount(mHelperCount2++,HelpRelation.ME_HELP);

        mFriendFragment.setHiBangUserList(mFriendList1,mFriendList2);
        mHelperFragment.setHiBangUserList(mHelperList1,mHelperList2);


    }

项目：CXJPadProject    文件：BActivity.java   

/**
     * 替换fragement 并添加动画
     */
    public void replaceFragment(@IdRes int id_content,@AnimRes int anim_in,@AnimRes int anim_out,Fragment fragment) {
        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
//        transaction.setCustomAnimations(anim_in,anim_out);
        transaction.replace(id_content,fragment);
        transaction.commit();
    }

项目：XinFramework    文件：SupportFragmentDelegate.java   

private void processRestoreInstanceState(Bundle savedInstanceState) {
    if (savedInstanceState != null) {
        FragmentTransaction ft = mFragment.getFragmentManager().beginTransaction();
        if (mIsHidden) {
            ft.hide(mFragment);
        } else {
            ft.show(mFragment);
        }
        ft.commitAllowingStateLoss();
    }
}

项目：Viajes    文件：ActivityUtils.java   

public static void addFragmentToActivity(@Nullable FragmentManager manager,@Nullable Fragment fragment,int containerId) {
    checkNotNull(manager);
    checkNotNull(fragment);
    FragmentTransaction transaction = manager.beginTransaction();
    transaction.replace(containerId,fragment);
    transaction.commit();
}

项目：SlotNSlot_Android    文件：MyPageActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Fragment fragment = new WalletFragment();
    FragmentTransaction ftrans = getSupportFragmentManager().beginTransaction();
    ftrans.replace(R.id.fragment_framelayout,fragment);
    ftrans.addToBackStack(null);
    ftrans.commit();
}

项目：FuelUp    文件：VehicleTabbedDetailActivity.java   

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

    setSupportActionBar((Toolbar) findViewById(R.id.detail_toolbar));
    getSupportActionBar().setdisplayHomeAsUpEnabled(true);

    fragmentManager = getSupportFragmentManager();

    ((BottomNavigationView) findViewById(R.id.vehicle_detail_navigation)).setonNavigationItemSelectedListener(this);

    if (savedInstanceState == null) {
        Intent intent = getIntent();
        long vehicleId = intent.getLongExtra(VehicleListFragment.EXTRA_ADDED_VEHICLE_ID,0);
        vehicle = VehicleService.getVehicleById(vehicleId,this);

        fragment = new FillUpsListFragment();
        Bundle bundle = new Bundle();
        bundle.putParcelable(VEHICLE_TO_FRAGMENT,vehicle);
        fragment.setArguments(bundle);
        FragmentTransaction transaction = fragmentManager.beginTransaction();
        transaction.replace(R.id.vehicle_detail_frame,fragment).commit();
    } else {
        vehicle = savedInstanceState.getParcelable(VEHICLE_TO_FRAGMENT);
    }
}

项目：treasure    文件：ArticleActivity.java   

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    ArticleFragment fragment = new ArticleFragment();
    fragment.setArguments(getIntent().getBundleExtra("param"));

    FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
    transaction.replace(android.R.id.content,fragment);
    transaction.commit();
}

项目：Snach-Android    文件：DeviceProfilesActivity.java   

private void setSelectFragment() {
    FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
    transaction.replace(R.id.rl_devices_content,selectFragment);
    transaction.commit();

    try {
        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
        View focusedView = getCurrentFocus();
        imm.hideSoftInputFromWindow(focusedView.getwindowToken(),0);
    } catch (NullPointerException e){
        e.printstacktrace();
    }
}

项目：TripleTap    文件：TimeAttackGameActivity.java   

private void initFragment(Fragment fragment) {
    // Add the fragment to the layout
    FragmentManager fragmentManager = getSupportFragmentManager();
    FragmentTransaction transaction = fragmentManager.beginTransaction();
    transaction.add(R.id.content_frame,fragment);
    transaction.commit();
}

项目：KernelAdiutor-Mod    文件：ViewUtils.java   

public static void dismissDialog(FragmentManager manager) {
    FragmentTransaction ft = manager.beginTransaction();
    Fragment fragment = manager.findFragmentByTag("dialog");
    if (fragment != null) {
        ft.remove(fragment).commit();
    }
}

项目：Android-Development    文件：MainActivity.java   

/**
 * Open {@link EditPoiFragment} to add more info o POi
 *
 * @param poi {@link ParcelablePOI} to edit
 */
public void editPoi(ParcelablePOI poi) {
    //check authentication before editing
    if (!checkAuthentication()) return;
    //close PoiListFragment if it is open
    PoiListFragment poiListFragment = (PoiListFragment) getSupportFragmentManager().findFragmentByTag("PoiListFragment");
    if (poiListFragment != null)
        getSupportFragmentManager()
                .beginTransaction()
                .remove(poiListFragment)
                .commit();

    //if MapFragment is open close any routing
    MapFragment MapFragment = (MapFragment) getSupportFragmentManager().findFragmentByTag("MapFragment");
    if (MapFragment != null) {
        MapFragment.clearMapdisplay();
    }

    Fragment fragment = EditPoiFragment.newInstance(poi);
    FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
    transaction.replace(R.id.container,"EditPoiFragment");// give your fragment container id in first parameter
    transaction.addToBackStack(null);  // if written,this transaction will be added to backstack
    transaction.commit();
    hideNavigation();
}

项目：72GGames_Demo    文件：MainActivity.java   

@Override
protected void init() {
    homeFragment = new HomeFragment();
    gameFragment = new GameFragment();
    shopFragment = new ShopFragment();
    meFragment  = new MeFragment();
    //各menu与对应的fragment绑定在一起
    bmHome.setFragment(homeFragment);
    bmGame.setFragment(gameFragment);
    bmShop.setFragment(shopFragment);
    bmMe.setFragment(meFragment);

    FragmentManager manager = getSupportFragmentManager();
    FragmentTransaction transaction = manager.beginTransaction();
    transaction.add(R.id.fragment_containter_main,homeFragment);
    transaction.add(R.id.fragment_containter_main,gameFragment);
    transaction.add(R.id.fragment_containter_main,shopFragment);
    transaction.add(R.id.fragment_containter_main,meFragment);
    transaction.hide(homeFragment);
    transaction.hide(gameFragment);
    transaction.hide(shopFragment);
    transaction.hide(meFragment);
    transaction.commit();

    bmHome.performClick();

}

项目：Barcode-Reader    文件：BarcodeFragmentTestActivity.java   

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

    FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
    BarcodeFragment bf = new BarcodeFragment();
    ft.add(R.id.container,bf);
    ft.commit();
}

项目：eazycore    文件：FragmentHelper.java   

@Override
public void replaceFragment(BaseFragment baseFragment,boolean isBackStack,int inAnim,int outAnim) {
    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction()
            .setCustomAnimations(inAnim,outAnim)
            .replace(idContent,baseFragment);

    if (isBackStack) {
        fragmentTransaction.addToBackStack(baseFragment.getClass().getName());
    }
    fragmentTransaction.commitAllowingStateLoss();
}

项目：diycode    文件：TopicActivity.java   

@Override protected void initViews(ViewHolder holder,View root) {
    Intent intent = getIntent();
    int NodeId = intent.getIntExtra(Key_Node_ID,0);
    String NodeName = intent.getStringExtra(Key_Node_Name);
    setTitle(NodeName);

    NodetopicListFragment fragment = NodetopicListFragment.newInstance(NodeId);
    FragmentManager fragmentManager = getSupportFragmentManager();
    FragmentTransaction transaction = fragmentManager.beginTransaction();
    transaction.add(R.id.fragment,fragment);
    transaction.commit();
}

项目：FragmentStateManager    文件：FragmentStateManager.java   

/**
 * Shows fragment at position and detaches prevIoUs fragment if exists. If fragment is found in
 * fragment manager,it is reattached else added.
 *
 * @param position
 * @return fragment at position
 */
public Fragment changeFragment(int position) {
    String tag = makeFragmentName(container.getId(),getItemId(position));
    FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();

    /*
      If fragment manager doesn't have an instance of the fragment,get an instance
      and add it to the transaction. Else,attach the instance to transaction.
     */
    Fragment fragment = mFragmentManager.findFragmentByTag(tag);
    if (fragment == null) {
        fragment = getItem(position);
        fragmentTransaction.add(container.getId(),tag);
    } else {
        fragmentTransaction.attach(fragment);
    }

    // Detach existing primary fragment
    Fragment curFrag = mFragmentManager.getPrimaryNavigationFragment();
    if (curFrag != null) {
        fragmentTransaction.detach(curFrag);
    }

    // Set fragment as primary navigator for child manager back stack to be handled by system
    fragmentTransaction.setPrimaryNavigationFragment(fragment);
    fragmentTransaction.setReorderingallowed(true);
    fragmentTransaction.commitNowAllowingStateLoss();

    return fragment;
}

项目：CSipSimple    文件：CallLogListFragment.java   

@Override
public void viewDetails(int position,long[] callIds) {
    ListView lv = getListView();
    if(mMode != null) {
        lv.setItemChecked(position,!lv.isItemChecked(position));
        mMode.invalidate();
        // Don't see details in this case
        return;
    }

    if (mDualPane) {
        // If we are not currently showing a fragment for the new
        // position,we need to create and install a new one.
        CallLogDetailsFragment df = new CallLogDetailsFragment();
        Bundle bundle = new Bundle();
        bundle.putLongArray(CallLogDetailsFragment.EXTRA_CALL_LOG_IDS,callIds);
        df.setArguments(bundle);
        // Execute a transaction,replacing any existing fragment
        // with this one inside the frame.
        FragmentTransaction ft = getFragmentManager().beginTransaction();
        ft.replace(R.id.details,df,null);
        ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
        ft.commit();

        getListView().setItemChecked(position,true);
    } else {
        Intent it = new Intent(getActivity(),CallLogDetailsActivity.class);
        it.putExtra(CallLogDetailsFragment.EXTRA_CALL_LOG_IDS,callIds);
        getActivity().startActivity(it);
    }
}

项目：EazyBaseMVP    文件：FragmentHelper.java   

@Override
public void replaceFragmentWithSharedElement(BaseFragment baseFragment,List<View> views) {
    FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction()
            .replace(idContent,baseFragment);
    if (views != null && !views.isEmpty()) {
        for (View view : views) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                fragmentTransaction.addSharedElement(view,view.getTransitionName());
            }
        }
    }

    fragmentTransaction.addToBackStack(baseFragment.getClass().getName()).commitAllowingStateLoss();
}

项目：CoordinatorLayoutExample-master    文件：ZhiHuAdapter.java   

@Override
public void onCheckedChanged(RadioGroup radioGroup,int checkId) {
    for (int i = 0; i < radioGroup.getChildCount(); i++) {
        if (radioGroup.getChildAt(i).getId() == checkId) {
            //  即将要展示的Fragment
            Fragment target = mFragmentList.get(i);
            Fragment currentFragment = getCurrentFragment();
            currentFragment.onPause();

            FragmentTransaction fragmentTransaction = getFragmentTransaction();
            if (target.isAdded()) {
                target.onResume();
                fragmentTransaction.show(target).hide(currentFragment);

            } else {
                fragmentTransaction.add(mContentId,target).show(target).hide(currentFragment);
            }
            fragmentTransaction.commit();
            currentTab = i;

            if (mFragmentToogleListener != null) {
                mFragmentToogleListener.onToogleChange(target,currentTab);
            }

        }
    }

}

项目：MDRXL    文件：RouterTest.java   

private void setupRouter(final boolean multiWindow) {
    if (multiWindow) {
        fragmentTransaction = mock(FragmentTransaction.class);
        final FragmentManager fragmentManager = mock(FragmentManager.class);
        when(fragmentManager.beginTransaction()).thenReturn(fragmentTransaction);
        when(fragmentTransaction.replace(anyInt(),any(Fragment.class),anyString())).thenReturn(fragmentTransaction);
        when(activity.getSupportFragmentManager()).thenReturn(fragmentManager);
    }
    router = new Router(activity,multiWindow);
}

项目：mapbook-android    文件：ActivityUtils.java   

/**
 * The {@code fragment} is added to the container view with id {@code tag}. The operation is
 * performed by the {@code fragmentManager}.
 *
 */
public static void addFragmentToActivity (final FragmentManager fragmentManager,final Fragment fragment,final String tag) {
  checkNotNull(fragmentManager);
  checkNotNull(fragment);
  final FragmentTransaction transaction = fragmentManager.beginTransaction();
  transaction.add(fragment,tag);
  transaction.commit();
}