Android TabHost使用

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >

<TabHost
android:id="@+id/tabhost"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true" >

<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<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"
android:orientation="vertical" >

<LinearLayout
android:id="@+id/tab1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
</LinearLayout>

<LinearLayout
android:id="@+id/tab2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
</LinearLayout>

<LinearLayout
android:id="@+id/tab3"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
</LinearLayout>
</FrameLayout>
</LinearLayout>
</TabHost>

</RelativeLayout>

package com.tabhost;

import android.os.Bundle;
import android.app.Activity;
import android.app.ActivityGroup;
import android.content.Intent;
import android.view.Menu;
import android.view.Window;
import android.widget.TabHost;

public class MainActivity extends ActivityGroup {

private TabHost mTabHost;

protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
// 设置TabHost
initTabs();
}

private void initTabs() {
mTabHost = (TabHost) findViewById(R.id.tabhost);
mTabHost.setup(this.getLocalActivityManager());
// 添加日志列表的tab,注意下面的setContent中的代码.是这个需求实现的关键
mTabHost.addTab(mTabHost.newTabSpec("tab_log")
.setIndicator("日志",getResources().getDrawable(R.drawable.login_bg))
.setContent(new Intent(this, LogActivity.class)));

// 添加应用设置的tab,注意下面的setContent中的代码.是这个需求实现的关键
mTabHost.addTab(mTabHost.newTabSpec("tab_setting")
.setIndicator("设置",getResources().getDrawable(R.drawable.ic_launcher))
.setContent(new Intent(this, SettingActivity.class)));
mTabHost.setCurrentTab(1);
}

}