android.app.ActionBar的实例源码

项目：Perfect-Day    文件：LoginActivity.java   

@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);
    View decorView = getwindow().getDecorView();
    int uiOptions = View.SYstem_UI_FLAG_FULLSCREEN | View.SYstem_UI_FLAG_IMMERSIVE_STICKY;
    decorView.setsystemUIVisibility(uiOptions);
    ActionBar actionBar = getActionBar();
    if (null != actionBar) actionBar.hide();
    ButterKnife.bind(this);
    FirebaseAuth auth = FirebaseAuth.getInstance();
    if (auth.getCurrentUser() != null) {
        showWhiteSnackBar(R.string.sign_in_successful);
        googleLoginButton.setVisibility(View.INVISIBLE);
        Intent intent = new Intent(getApplicationContext(),MainActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
        startActivity(intent);
        finish();
    }

}

项目：buildAPKsSamples    文件：MainActivity.java   

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

    if(savedInstanceState != null) {
        if (savedInstanceState.getInt("theme",-1) != -1) {
          mThemeId = savedInstanceState.getInt("theme");
          this.setTheme(mThemeId);
        }
        mTitlesHidden = savedInstanceState.getBoolean("titlesHidden");
    }

    setContentView(R.layout.main);

    ActionBar bar = getActionBar();
    bar.setdisplayShowTitleEnabled(false);

    ContentFragment frag = (ContentFragment) getFragmentManager()
            .findFragmentById(R.id.content_frag);
    if (frag != null) mDualFragments = true;

    if (mTitlesHidden) {
        getFragmentManager().beginTransaction()
                .hide(getFragmentManager().findFragmentById(R.id.titles_frag)).commit();
    }
}

项目：boohee_v5.6    文件：ActionBarDrawerToggleHoneycomb.java   

public static SetIndicatorInfo setActionBarDescription(SetIndicatorInfo info,Activity activity,int contentDescRes) {
    if (info == null) {
        info = new SetIndicatorInfo(activity);
    }
    if (info.setHomeAsUpIndicator != null) {
        try {
            ActionBar actionBar = activity.getActionBar();
            info.setHomeActionContentDescription.invoke(actionBar,new Object[]{Integer.valueOf(contentDescRes)});
            if (VERSION.SDK_INT <= 19) {
                actionBar.setSubtitle(actionBar.getSubtitle());
            }
        } catch (Exception e) {
            Log.w(TAG,"Couldn't set content description via JB-MR2 API",e);
        }
    }
    return info;
}

项目：ThunderMusic    文件：PreferencesActivity.java   

@SuppressWarnings("deprecation")
@Override
protected void onCreate(Bundle savedInstanceState) {
    this.setTheme(R.style.SettingsTheme);

    super.onCreate(savedInstanceState);

    ActionBar actionBar = getActionBar();
    actionBar.setdisplayHomeAsUpEnabled(true);
    actionBar.setIcon(R.drawable.null_icon);
    if (InterfaceUtils.getTabletMode(this)) {
        addPreferencesFromresource(R.xml.preferences_tab);
    } else {
        addPreferencesFromresource(R.xml.preferences);
    }
}

项目：boohee_v5.6    文件：ActionBarDrawerToggleHoneycomb.java   

public static SetIndicatorInfo setActionBarUpIndicator(SetIndicatorInfo info,Drawable drawable,int contentDescRes) {
    info = new SetIndicatorInfo(activity);
    if (info.setHomeAsUpIndicator != null) {
        try {
            ActionBar actionBar = activity.getActionBar();
            info.setHomeAsUpIndicator.invoke(actionBar,new Object[]{drawable});
            info.setHomeActionContentDescription.invoke(actionBar,new Object[]{Integer.valueOf(contentDescRes)});
        } catch (Exception e) {
            Log.w(TAG,"Couldn't set home-as-up indicator via JB-MR2 API",e);
        }
    } else if (info.upIndicatorView != null) {
        info.upIndicatorView.setimageDrawable(drawable);
    } else {
        Log.w(TAG,"Couldn't set home-as-up indicator");
    }
    return info;
}

项目：Ships    文件：MainActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // FIXME: Observed exception "illegalaccessexception (@MainActivity:onCreate:16) {main}"

       // Init some singletons which need the Context
       Analytics.getInstance().init(this);
       SettingsUtils.getInstance().init(this);

    setContentView(R.layout.activity_main);

    final ActionBar actionBar=getActionBar();
    if (actionBar!=null) {
           actionBar.setdisplayShowTitleEnabled(true);
           //actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
       }

       final IntentFilter filter=new IntentFilter();
       filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
       filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
       registerReceiver(usbReceiver,filter);
}

项目：ultrasonic    文件：ActionBarHelperNative.java   

public static void setActionBarUpIndicator(Object info,int contentDescRes) {

        final SetIndicatorInfo sii = (SetIndicatorInfo) info;
        if (sii.setHomeAsUpIndicator != null) {
            try {
                final ActionBar actionBar = activity.getActionBar();
                sii.setHomeAsUpIndicator.invoke(actionBar,drawable);
                sii.setHomeActionContentDescription.invoke(actionBar,contentDescRes);
            } catch (Throwable t) {
                if (ActionBarHelper.DEBUG) Log.e(TAG,t);
            }
        } else if (sii.upIndicatorView != null) {
            sii.upIndicatorView.setimageDrawable(drawable);
        } else {
            if (ActionBarHelper.DEBUG) Log.e(TAG,"Couldn't set home-as-up indicator");
        }
    }

项目：boohee_v5.6    文件：ActionBarDrawerToggleHoneycomb.java   

public static Object setActionBarDescription(Object info,int contentDescRes) {
    SetIndicatorInfo setIndicatorInfo;
    if (info == null) {
        setIndicatorInfo = new SetIndicatorInfo(activity);
    }
    SetIndicatorInfo sii = setIndicatorInfo;
    if (sii.setHomeAsUpIndicator != null) {
        try {
            ActionBar actionBar = activity.getActionBar();
            sii.setHomeActionContentDescription.invoke(actionBar,e);
        }
    }
    return setIndicatorInfo;
}

项目：Perfect-Day    文件：MainActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    ButterKnife.bind(this);
    View decorView = getwindow().getDecorView();
    int uiOptions = View.SYstem_UI_FLAG_FULLSCREEN | View.SYstem_UI_FLAG_IMMERSIVE_STICKY;
    decorView.setsystemUIVisibility(uiOptions);
    ActionBar actionBar = getActionBar();
    if (null != actionBar) actionBar.hide();
    mBottomBar.setonTabSelectListener(
            new OnTabSelectListener() {
                @Override
                public void onTabSelected(@IdRes int tabId) {
                    Fragment fragment;
                    switch (tabId) {
                        case R.id.bot_bar_today:
                            fragment = new TodayTasksFragment();
                            break;
                        case R.id.bot_bar_list:
                            fragment = new ListTasksFragment();
                            break;
                        case R.id.bot_bar_more:
                            fragment = new MoreInfoFragment();
                            break;
                        default:
                            fragment = new TodayTasksFragment();
                    }
                    FragmentManager fragmentManager = getSupportFragmentManager();
                    FragmentTransaction ft = fragmentManager.beginTransaction();
                    ft.replace(R.id.flContent,fragment,fragment.getClass().getName());
                    ft.commit();
                }
            });
}

项目：duo-navigation-drawer    文件：DuoDrawerToggleHoneycomb.java   

public static SetIndicatorInfo setActionBarDescription(SetIndicatorInfo info,int contentDescRes) {
    if (info == null) {
        info = new SetIndicatorInfo(activity);
    }
    if (info.setHomeAsUpIndicator != null) {
        try {
            final ActionBar actionBar = activity.getActionBar();
            info.setHomeActionContentDescription.invoke(actionBar,contentDescRes);
            if (Build.VERSION.SDK_INT <= 19) {
                // For API 19 and earlier,we need to manually force the
                // action bar to generate a new content description.
                actionBar.setSubtitle(actionBar.getSubtitle());
            }
        } catch (Exception e) {
            Log.w(TAG,e);
        }
    }
    return info;
}

项目：diary    文件：SettingsFragment.java   

@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,Preference preference)
{
    boolean result =
        super.onPreferenceTreeClick(preferenceScreen,preference);

    // Set home as up
    if (preference instanceof PreferenceScreen)
    {
        Dialog dialog = ((PreferenceScreen)preference).getDialog();
        ActionBar actionBar = dialog.getActionBar();
        actionBar.setdisplayHomeAsUpEnabled(false);
    }

    return result;
}

项目：boohee_v5.6    文件：ActionBarDrawerToggleHoneycomb.java   

public static Object setActionBarUpIndicator(Object info,int contentDescRes) {
    SetIndicatorInfo setIndicatorInfo;
    if (info == null) {
        setIndicatorInfo = new SetIndicatorInfo(activity);
    }
    SetIndicatorInfo sii = setIndicatorInfo;
    if (sii.setHomeAsUpIndicator != null) {
        try {
            ActionBar actionBar = activity.getActionBar();
            sii.setHomeAsUpIndicator.invoke(actionBar,new Object[]{drawable});
            sii.setHomeActionContentDescription.invoke(actionBar,e);
        }
    } else if (sii.upIndicatorView != null) {
        sii.upIndicatorView.setimageDrawable(drawable);
    } else {
        Log.w(TAG,"Couldn't set home-as-up indicator");
    }
    return setIndicatorInfo;
}

项目：yaacc-code    文件：ImageViewerActivity.java   

private void menuBarsHide() {
    Log.d(getClass().getName(),"menuBarsHide");
    ActionBar actionBar = getActionBar();
    if (actionBar == null) {
        Log.d(getClass().getName(),"menuBarsHide ActionBar is null");
        return;
    }

    actionBar.setdisplayShowTitleEnabled(false);
    actionBar.setdisplayShowHomeEnabled(false);
    getwindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
    getwindow().clearFlags(
            WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
    getwindow().getDecorView().setsystemUIVisibility(
            View.SYstem_UI_FLAG_LOW_PROFILE);
    actionBar.hide(); // slides out
}

项目：GeekZone    文件：AppUtils.java   

public static View makeDoneCancelLayout(int layoutId,LayoutInflater layoutInflater,int doneId,View.OnClickListener onDoneListener,int cancelId,View.OnClickListener onCancelListener) {
    @SuppressLint("InflateParams")
    LinearLayout donediscardlayout = (LinearLayout) layoutInflater.inflate(layoutId,null);
    donediscardlayout.setLayoutParams(new ActionBar.LayoutParams(
            ActionBar.LayoutParams.MATCH_PARENT,ActionBar.LayoutParams.MATCH_PARENT));
    donediscardlayout.findViewById(doneId)
            .setonClickListener(onDoneListener);
    donediscardlayout.findViewById(cancelId)
            .setonClickListener(onCancelListener);
    return donediscardlayout;
}

项目：GitHub    文件：ActionBarHelper.java   

public static void setTitle(android.support.v7.app.ActionBar actionBar,SpannableString spannableString) {
    // BUGFIX
    // @see http://stackoverflow.com/questions/7658725/android-java-lang-illegalargumentexception-invalid-payload-item-type
    if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN && Build.MANUFACTURER.toupperCase().equals("LGE")) {
        actionBar.setTitle(spannableString.toString());
    } else {
        actionBar.setTitle(spannableString);
    }
}

项目：PADC-Myanmarattractions-AC    文件：AttractionListActivity.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_attraction_list);
    ButterKnife.bind(this,this);

    setActionBar(toolbar);

    ActionBar actionBar = getActionBar();
    if (actionBar != null) {
        actionBar.setTitle(getString(R.string.app_title_mm));
    }

    mAttractionAdapter = new AttractionAdapter(getApplicationContext(),this);
    rvAttractions.setAdapter(mAttractionAdapter);

    linearlayoutmanager verticalSingleColumnLM = new linearlayoutmanager(getApplicationContext(),linearlayoutmanager.VERTICAL,false);
    rvAttractions.setLayoutManager(verticalSingleColumnLM);

    mAttractionsModel = viewmodelProviders.of(this).get(AttractionsModel.class);
    mAttractionsModel.initDatabase(getApplicationContext());
    mAttractionsModel.getAttractions().observe(this,new Observer<List<AttractionVO>>() {
        @Override
        public void onChanged(@Nullable List<AttractionVO> attractionVOs) {
            mAttractionAdapter.setNewData(attractionVOs);
        }
    });
}

项目：FCM-for-Mojo    文件：MainSettingsFragment.java   

@Override
public void onCreateOptionsMenu(Menu menu,MenuInflater inflater) {
    ActionBar actionBar = getActivity().getActionBar();
    if (actionBar != null) {
        actionBar.setTitle(R.string.activity_name);
        actionBar.setdisplayHomeAsUpEnabled(false);
    }
}

项目：AOSP-Kayboard-7.1.2    文件：SettingsActivity.java   

@Override
protected void onCreate(final Bundle savedState) {
    super.onCreate(savedState);
    final ActionBar actionBar = getActionBar();
    final Intent intent = getIntent();
    if (actionBar != null) {
        mShowHomeAsUp = intent.getBooleanExtra(EXTRA_SHOW_HOME_AS_UP,true);
        actionBar.setdisplayHomeAsUpEnabled(mShowHomeAsUp);
        actionBar.setHomeButtonEnabled(mShowHomeAsUp);
    }
    StatsUtils.onSettingsActivity(
            intent.hasExtra(EXTRA_ENTRY_KEY) ? intent.getStringExtra(EXTRA_ENTRY_KEY)
                    : EXTRA_ENTRY_VALUE_SYstem_SETTINGS);
}

项目：RetroMusicPlayer    文件：systemUIHelperImplHC.java   

protected void onsystemUIHidden() {
    ActionBar ab = mActivity.getActionBar();
    if (ab != null) {
        ab.hide();
    }

    mActivity.getwindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

    setIsShowing(false);
}

项目：boohee_v5.6    文件：ActionBarDrawerToggle.java   

public Context getActionBarThemedContext() {
    ActionBar actionBar = this.mActivity.getActionBar();
    if (actionBar != null) {
        return actionBar.getThemedContext();
    }
    return this.mActivity;
}

项目：ultrasonic    文件：ActionBarHelperNative.java   

public static void setActionBarDescription(Object info,int contentDescRes) {
    final SetIndicatorInfo sii = (SetIndicatorInfo) info;
    if (sii.setHomeAsUpIndicator != null) {
        try {
            final ActionBar actionBar = activity.getActionBar();
            sii.setHomeActionContentDescription.invoke(actionBar,contentDescRes);
        } catch (Throwable t) {
            if (ActionBarHelper.DEBUG) Log.e(TAG,t);
        }
    }
}

项目：cwac-crossport    文件：ActionBarDrawerToggle.java   

@Override
public void setActionBarUpIndicator(Drawable drawable,int contentDescRes) {
  final ActionBar actionBar = mActivity.getActionBar();
  if (actionBar != null) {
    actionBar.setHomeAsUpIndicator(drawable);
    actionBar.setHomeActionContentDescription(contentDescRes);
  }
}

项目：martian-cli    文件：CommonUtils.java   

private static int getSmartBarHeight(Activity activity) {
    ActionBar actionbar = activity.getActionBar();
    if (actionbar != null)
        try {
            Class c = Class.forName("com.android.internal.R$dimen");
            Object obj = c.newInstance();
            Field field = c.getField("mz_action_button_min_height");
            int height = Integer.parseInt(field.get(obj).toString());
            return activity.getResources().getDimensionPixelSize(height);
        } catch (Exception e) {
            e.printstacktrace();
            actionbar.getHeight();
        }
    return 0;
}

项目：adyen-android    文件：CheckoutActivity.java   

public void setActionBarTitle(String title) {
    ActionBar actionBar = getActionBar();
    if (actionBar != null && actionBar.getCustomView() != null) {
        ((TextView) actionBar.getCustomView().findViewById(R.id.action_bar_title)).setText(title);
        actionBar.show();
    }
}

项目：PhoneFoneFun    文件：MainActivity.java   

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

    ActionBar b = getActionBar();
    if (b!=null) b.hide();

    display = (TextView) findViewById(R.id.display);
    switchPhone = (Switch) findViewById(R.id.switchPhone);

    hellos = getResources().getStringArray(R.array.hello);
    byes = getResources().getStringArray(R.array.bye);
    convos = getResources().getStringArray(R.array.convo);

    mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);

    mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY);


    findViewById(R.id.about_link).setonClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent about = new Intent(MainActivity.this,AboutActivity.class);
            startActivity(about);
        }
    });


}

项目：bluetooth-chat-appliction    文件：BluetoothChatFragment.java   

/**
 * Updates the status on the action bar.
 *
 * @param subTitle status
 */
private void setStatus(CharSequence subTitle) {
    FragmentActivity activity = getActivity();
    if (null == activity) {
        return;
    }
    final ActionBar actionBar = activity.getActionBar();
    if (null == actionBar) {
        return;
    }
    actionBar.setSubtitle(subTitle);
}

项目：LuaViewPlayground    文件：UDNavigation.java   

private void setupActionBarDrawable(Drawable drawable) {
    if (drawable != null) {
        final ActionBar actionBar = LuaViewUtil.getActionBar(getGlobals());
        if (actionBar != null) {
            actionBar.setBackgroundDrawable(drawable);
        }
    }
}

项目：LuaViewPlayground    文件：UDNavigation.java   

@Override
public Varargs invoke(Varargs args) {
    final ActionBar actionBar = LuaViewUtil.getActionBar(getGlobals());
    if (actionBar != null) {
    }
    return UDNavigation.this;
}

项目：diary    文件：Settings.java   

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

    // Get preferences
    SharedPreferences preferences =
        PreferenceManager.getDefaultSharedPreferences(this);

    boolean darkTheme =
        preferences.getBoolean(Diary.PREF_DARK_THEME,false);

    if (darkTheme)
        setTheme(R.style.AppDarkTheme);

    // display the fragment as the main content.
    getFragmentManager().beginTransaction()
    .replace(android.R.id.content,new SettingsFragment())
    .commit();

    // Enable back navigation on action bar
    ActionBar actionBar = getActionBar();
    if (actionBar != null)
    {
        actionBar.setdisplayHomeAsUpEnabled(true);
        actionBar.setTitle(R.string.settings);
    }
}

项目：LuaViewPlayground    文件：UDActionBar.java   

@Override
public Varargs invoke(Varargs args) {
    final ActionBar actionBar = LuaViewUtil.getActionBar(getGlobals());
    if (actionBar != null) {
        final boolean showBack = args.optboolean(2,true);
        actionBar.setdisplayHomeAsUpEnabled(showBack);
    }
    return UDActionBar.this;
}

项目：Daejeon-People    文件：Setting.java   

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

        final ActionBar chatting = getActionBar();
//        chatting.setCustomView(R.layout.custom_chat_list);
        chatting.setdisplayShowTitleEnabled(false);
        chatting.setdisplayShowCustomEnabled(true);
        chatting.setdisplayShowHomeEnabled(false);

        backBtn = (Button) findViewById(R.id.backBtn);
    }

项目：boohee_v5.6    文件：ActionBarDrawerToggleJellybeanMR2.java   

public static Object setActionBarDescription(Object info,int contentDescRes) {
    ActionBar actionBar = activity.getActionBar();
    if (actionBar != null) {
        actionBar.setHomeActionContentDescription(contentDescRes);
    }
    return info;
}

项目：SmartRC    文件：BluetoothChatFragment.java   

private void setStatus(CharSequence subTitle) {
    FragmentActivity activity = getActivity();
    if (null == activity) {
        return;
    }
    final ActionBar actionBar = activity.getActionBar();
    if (null == actionBar) {
        return;
    }
    actionBar.setSubtitle(subTitle);
}

项目：iconsole-android    文件：BluetoothChatFragment.java   

/**
 * Updates the status on the action bar.
 *
 * @param subTitle status
 */
private void setStatus(CharSequence subTitle) {
    FragmentActivity activity = getActivity();
    if (null == activity) {
        return;
    }
    final ActionBar actionBar = activity.getActionBar();
    if (null == actionBar) {
        return;
    }
    actionBar.setSubtitle(subTitle);
}

项目：BilibiliClient    文件：BangumiScheduleActivity.java   

@Override
public void initToolBar() {
    mToolbar.setTitle("番剧时间表");
    setSupportActionBar(mToolbar);
    ActionBar actionBar = getActionBar();
    if (actionBar != null)
        actionBar.setdisplayHomeAsUpEnabled(true);
}

项目：OSS-purple-06    文件：HomeActivity.java   

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.home_view);
    callbackManager  = CallbackManager.Factory.create();
    shareDialog = new ShareDialog(this);

    //타이틀바의 글자를 중앙으로 만들기위해서 CustomBar를 제작.
    this.getSupportActionBar().setdisplayOptions(ActionBar.disPLAY_SHOW_CUSTOM);
    this.getSupportActionBar().setCustomView(R.layout.home_titlebar);

    //CardNews View
    cardNewsList = new ArrayList<CardNewsItem>();
    RecyclerView rv = (RecyclerView) findViewById(R.id.rv);

    rv.setHasFixedSize(true);

    //layoutManager
    RecyclerView.LayoutManager layoutManager = new linearlayoutmanager(getApplicationContext());
    rv.setLayoutManager(layoutManager);

    //카드 리스트뷰 어댑터에 연결
    adapter = new CardNewsAdapter(this,cardNewsList);
    rv.setAdapter(adapter);

    adapter.notifyDataSetChanged();

    Toast.makeText(getApplicationContext(),this.getIntent().getStringExtra("userName")+"님 환영합니다.",Toast.LENGTH_SHORT).show();

}

项目：duo-navigation-drawer    文件：DuoDrawerToggle.java   

@Override
public Context getActionBarThemedContext() {
    final ActionBar actionBar = mActivity.getActionBar();
    final Context context;
    if (actionBar != null) {
        context = actionBar.getThemedContext();
    } else {
        context = mActivity;
    }
    return context;
}

项目：duo-navigation-drawer    文件：DuoDrawerToggle.java   

@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
@Override
public void setActionBarUpIndicator(Drawable drawable,int contentDescRes) {
    final ActionBar actionBar = mActivity.getActionBar();
    if (actionBar != null) {
        actionBar.setHomeAsUpIndicator(drawable);
        actionBar.setHomeActionContentDescription(contentDescRes);
    }
}

项目：CommonFramework    文件：RecyclerViewExample.java   

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.recyclerview);
    recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        ActionBar actionBar = getActionBar();
        if (actionBar != null) {
            actionBar.setTitle("RecyclerView");
        }
    }

    // Layout Managers:
    recyclerView.setLayoutManager(new linearlayoutmanager(this));

    // Item Decorator:
    recyclerView.addItemdecoration(new DividerItemdecoration(getResources().getDrawable(R.drawable.divider)));
    recyclerView.setItemAnimator(new DefaultItemAnimator());

    // Adapter:
    String[] adapterData = new String[]{"Alabama","Alaska","Arizona","Arkansas","California","Colorado","Connecticut","Delaware","Florida","Georgia","Hawaii","Idaho","Illinois","Indiana","Iowa","Kansas","Kentucky","Louisiana","Maine","Maryland","Massachusetts","Michigan","Minnesota","Mississippi","Missouri","Montana","Nebraska","Nevada","New Hampshire","New Jersey","New Mexico","New York","north Carolina","north Dakota","Ohio","Oklahoma","Oregon","Pennsylvania","Rhode Island","South Carolina","South Dakota","Tennessee","Texas","Utah","Vermont","Virginia","Washington","West Virginia","Wisconsin","Wyoming"};
    mDataSet = new ArrayList<String>(Arrays.asList(adapterData));
    mAdapter = new RecyclerViewAdapter(this,recyclerView,mDataSet);
    ((RecyclerViewAdapter) mAdapter).setMode(Attributes.Mode.Single);
    recyclerView.setAdapter(mAdapter);

    try {
        new ItemTouchBuilder()
                .setList(mDataSet)
                .setAdapter(mAdapter)
                .setSwappable(false)
                .create(recyclerView)
                .attachToRecyclerView(recyclerView);
    } catch (Exception e) {
        e.printstacktrace();
    }
}

项目：simple-keyboard    文件：SettingsActivity.java   

@Override
protected void onCreate(final Bundle savedState) {
    super.onCreate(savedState);
    final ActionBar actionBar = getActionBar();
    final Intent intent = getIntent();
    if (actionBar != null) {
        mShowHomeAsUp = intent.getBooleanExtra(EXTRA_SHOW_HOME_AS_UP,true);
        actionBar.setdisplayHomeAsUpEnabled(mShowHomeAsUp);
        actionBar.setHomeButtonEnabled(mShowHomeAsUp);
    }
}