Android Tab and androidtab

Android Tab and androidtab

Original article address: Http://blog.csdn.net/crazy1235/article/details/42678877

Effect:Slide switch; click Label Switch.

 

Code:Https://github.com/ldb-github/Layout_Tab

1. Use ViewPager and PagerTabStrip/PagerTitleStrip for layout.

<? Xml version = "1.0" encoding = "UTF-8"?> <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" android: orientation = "vertical" android: layout_width = "match_parent" android: layout_height = "match_parent"> <android. support. v4.view. viewPager android: id = "@ + id/javasth_vp" android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: layout_gravity = "center"> <android. support. v4.view. pagerTabStrip android: id = "@ + id/effecth_strip" android: layout_width = "wrap_content" android: layout_height = "wrap_content" android: background = "# 7EC0EE" android: padding = "10dp"/> </android. support. v4.view. viewPager> </LinearLayout>Viewpager_pagertitle_pagertab.xml

 

1. To implement the getPageTitle () method of PagerAdapter, This method provides the tag name.

2. PaperTabStrip is a subclass of PagerTitleStrip. It adds the indicator function, that is, the small matrix under the label.

Public class extends Activity {// viewpager private ViewPager viewPager; // you only need to change PagerTabStrip in the Lyaout file to PagerTitleStrip private PagerTitleStrip; // viewpager indicator private PagerTabStrip tabStrip; // view set private List <View> viewList; // Title set private List <String> titleList; @ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. viewpager_pagertitle_pagertab); init ();} private void init () {viewList = new ArrayList <> (); LayoutInflater inflater = getLayoutInflater (); View = inflater. inflate (R. layout. viewpager_pageradapter_tab1, null); viewList. add (view); view = inflater. inflate (R. layout. viewpager_pageradapter_tab2, null); viewList. add (view); view = inflater. inflate (R. layout. viewpager_pageradapter_tab3, null); viewList. add (view); titleList = new ArrayList <> (); titleList. add ("Title 1"); titleList. add ("title 2"); titleList. add ("Title 3"); initViewPager ();} private void initViewPager () {viewPager = (ViewPager) findViewById (R. id. extends th_vp); viewPager. setAdapter (pagerAdapter); // modify the color of the indicator // tabStrip = (PagerTabStrip) findViewById (R. id. fifth_strip); // tabStrip. setTabIndicatorColor (Color. RED);}/**** adapter */PagerAdapter pagerAdapter = new PagerAdapter () {@ Override public int getCount () {return viewList. size () ;}@ Override public boolean isViewFromObject (View view, Object object) {return view = object ;}@ Override public Object instantiateItem (ViewGroup container, int position) {container. addView (viewList. get (position); return viewList. get (position) ;}@ Override public void destroyItem (ViewGroup container, int position, Object object) {container. removeView (viewList. get (position) ;}@ Override public CharSequence getPageTitle (int position) {return titleList. get (position );}};}ViewPagerAndPagerTitleOrPagerTabActivity. java