Tab Layout（选项卡布局）
Tab Layout（选项卡布局）:http://hualang.iteye.com/blog/976826
参考:http://book.51cto.com/art/201007/214806.htm
所有讲解可以参考上面两个地址。

三个对应tab的Activity

资源文件:
res/drawable-hdpi下面存放myimage1.png,myimage2.png两个黑白相应的图片，以及ic_tab_artists.xml



main.xml




主程序
package com.pandy.layout;import android.app.TabActivity;import android.content.Intent;import android.content.res.Resources;import android.os.Bundle;import android.widget.TabHost;public class TabLayoutDemoActivity extends TabActivity {public void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.main);            Resources res = getResources(); // Resource object to get Drawables          TabHost tabHost = getTabHost();  // The activity TabHost          TabHost.TabSpec spec;  // Resusable TabSpec for each tab          Intent intent;  // Reusable Intent for each tab            // Create an Intent to launch an Activity for the tab (to be reused)          intent = new Intent().setClass(this, ArtistsActivity.class);            // Initialize a TabSpec for each tab and add it to the TabHost          spec = tabHost.newTabSpec("tab1").setIndicator("标题一",res.getDrawable(R.drawable.myimage1)).setContent(intent);          tabHost.addTab(spec);            // Do the same for the other tabs          intent = new Intent().setClass(this, AlbumsActivity.class);          spec = tabHost.newTabSpec("tab2").setIndicator("标题二",res.getDrawable(R.drawable.myimage1)).setContent(intent);          tabHost.addTab(spec);            intent = new Intent().setClass(this, SongsActivity.class);          spec = tabHost.newTabSpec("tab3").setIndicator("标题三",res.getDrawable(R.drawable.myimage1)).setContent(intent);          tabHost.addTab(spec);    tabHost.setCurrentTab(1);// 或采用如下的代码// getTabHost().setCurrentTabByTag("tab3");    }  }