Android组件TabHost实现页面中多个选项卡切换效果

<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:id="@android:id/tabhost"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  tools:context=".Main" >

  <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="wrap_content" >

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

        <TextView
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:text="aa" />
      </LinearLayout>

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

        <TextView
          android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:text="bb" />
      </LinearLayout>
    </FrameLayout>
  </LinearLayout>

</TabHost>

package com.app.main;

import android.app.TabActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TabHost;
import android.widget.TabHost.OnTabChangeListener;
import android.widget.TabHost.TabSpec;
import android.widget.TabWidget;

public class Main extends TabActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    final TabHost tabHost = this.getTabHost();

    TabSpec tab1 = tabHost.newTabSpec("tab1").setIndicator("tab1")
        .setContent(R.id.tab1);

    tabHost.addTab(tab1);

    TabSpec tab2 = tabHost.newTabSpec("tab2").setIndicator("tab2")
        .setContent(R.id.tab2);

    tabHost.addTab(tab2);


  }

}

tabHost.setOnTabChangedListener(new TabChangeListener(){

  public void onTabChanged(String id)

    {
    }

});

tabWidget.getChildAt(0).setOnClickListener(new OnClickListener(){


});