<?xml version="1.0" encoding="UTF-8"?>
<!-- TabHost组件id值不可变 -->
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/tabhost"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >

        <!-- TabWidget组件id值不可变 -->

        <TabWidget
            android:id="@android:id/tabs"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true" >
        </TabWidget>
        <!-- FrameLayout布局，id值不可变 -->

        <FrameLayout
            android:id="@android:id/tabcontent"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_above="@android:id/tabs" >
        </FrameLayout>
    </RelativeLayout>

</TabHost>

package com.cxt.devicetest;

import android.os.Bundle;
import android.app.TabActivity;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TabHost;

public class MainActivity extends TabActivity {
    private TabHost tabHost;
    private Intent system_Information_intent; // 系统信息
    private Intent hardware_Information_intent; // 硬件信息
    private Intent software_Information_intent; // 软件信息
    private Intent runtime_Information_intent; // 运行时信息

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
//        // 隐去标题栏（应用程序的名字）
//                this.requestWindowFeature(Window.FEATURE_NO_TITLE);
//         //隐去状态栏部分(电池等图标和一切修饰部分)
//        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
//                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.activity_main);
        tabHost = getTabHost();
        initIntent();
        addSpec();
    }

    /**
     * 
     * 初始化各个tab标签对应的intent
     */
    private void initIntent() {
        system_Information_intent = new Intent(this, SystemActivity.class);
        hardware_Information_intent = new Intent(this, HardWareActivity.class);
        software_Information_intent = new Intent(this, SoftwareActivity.class);
        runtime_Information_intent = new Intent(this, RuntimeActivity.class);
    }

    /**
     * 
     * 为tabHost添加各个标签项
     */
    private void addSpec() {
        tabHost.addTab(this.buildTagSpec("tab_system", R.string.system,
                R.drawable.menu_about_icon, system_Information_intent));
        tabHost.addTab(this.buildTagSpec("tab_hardware", R.string.hardware,
                R.drawable.menu_map_icon, hardware_Information_intent));
        tabHost.addTab(this.buildTagSpec("tab_software", R.string.software,
                R.drawable.menu_forum_icon, software_Information_intent));
        tabHost.addTab(this.buildTagSpec("tab_runtime", R.string.runtime,
                R.drawable.menu_service_icon, runtime_Information_intent));
    }

    /**
     * 
     * 自定义创建标签项的方法
     * 
     * @param tagName
     *            标签标识
     * 
     * @param tagLable
     *            标签文字
     * 
     * @param icon
     *            标签图标
     * 
     * @param content
     *            标签对应的内容
     * 
     * @return
     */
    private TabHost.TabSpec buildTagSpec(String tagName, int tagLable,
            int icon, Intent content) {
        return tabHost
                .newTabSpec(tagName)
                .setIndicator(getResources().getString(tagLable),
                        getResources().getDrawable(icon)).setContent(content);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

}