<?xml version="1.0" encoding="utf-8"?>
<TabHost android:id="@android:id/tabhost"
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
  <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
  <TabWidget
        android:id="@android:id/tabs"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
  </TabWidget>
  <FrameLayout android:id="@android:id/tabcontent"
       android:layout_width="match_parent"
       android:layout_height="match_parent">
</FrameLayout>
</LinearLayout>
</TabHost>

TabHost tabHost=this.getTabHost();

public TabHost.TabSpec newTabSpec (String tag)

public void addTab (TabHost.TabSpec tabSpec)

public void clearAllTabs ()
public int getCurrentTab ()

public void setCurrentTab (int index)

public void setCurrentTabByTag (String tag)

public void setOnTabChangedListener (TabHost.OnTabChangeListener l)

public String getTag ()
public TabHost.TabSpec setContent
public TabHost.TabSpec setIndicator

setIndicator (CharSequence label)

setIndicator (CharSequence label, Drawable icon)

setIndicator (View view)

setContent(int viewId)

package com.zhanglong.music;
import android.app.TabActivity;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TabHost;
public class MainActivity extends TabActivity
{
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
     WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.main);
    Resources res = getResources();
    TabHost tabHost = getTabHost();
    TabHost.TabSpec spec;
    Intent intent;
    intent = new Intent().setClass(this, ListActivity.class);
    spec = tabHost.newTabSpec("音乐").setIndicator("音乐",
             res.getDrawable(R.drawable.item))
           .setContent(intent);
    tabHost.addTab(spec);
    intent = new Intent().setClass(this, ArtistsActivity.class);
    spec = tabHost.newTabSpec("艺术家").setIndicator("艺术家",
             res.getDrawable(R.drawable.artist))
           .setContent(intent);
    tabHost.addTab(spec);
    intent = new Intent().setClass(this, AlbumsActivity.class);
    spec = tabHost.newTabSpec("专辑").setIndicator("专辑",
             res.getDrawable(R.drawable.album))
           .setContent(intent);
    tabHost.addTab(spec);
    intent = new Intent().setClass(this, SongsActivity.class);
    spec = tabHost.newTabSpec("最近播放").setIndicator("最近播放",
             res.getDrawable(R.drawable.album))
           .setContent(intent);
    tabHost.addTab(spec);
    tabHost.setCurrentTab(0);
  }
}