Tab与TabHost的使用

package com.chaowen;

import android.app.TabActivity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.widget.TabHost;
import android.widget.Toast;
import android.widget.TabHost.OnTabChangeListener;

publicclass MyTab extends TabActivity{
    private TabHost myTabHost;
    protectedint myMenuSettingTag=0;
    protected Menu myMenu;
     @Override
    protectedvoid onCreate(Bundle savedInstanceState) {
        
        super.onCreate(savedInstanceState);
        
        
        myTabHost =this.getTabHost();//从TabActivity上面获取放置Tab的TabHost
        LayoutInflater.from(this).inflate(R.layout.main, myTabHost.getTabContentView(),true);
        //from(this)从这个TabActivity获取LayoutInflater
        //R.layout.main存放Tab布局
        //通过TabHost获得存放Tab标签页内容的FrameLayout
        //是否将inflate拴系到根布局元素上
        myTabHost.setBackgroundColor(Color.argb(150, 22, 70, 150));
        //设置一下TabHost的颜色
        
        
        
        myTabHost.addTab(myTabHost.newTabSpec("AA") //标签一
                           //显示的标题为谢霆锋，如果不想显示出来，就设为空
                          .setIndicator("谢霆锋",getResources().getDrawable(R.drawable.tab))
                          .setContent(R.id.layout1));
        
        myTabHost.addTab(myTabHost.newTabSpec("BB")
                  .setIndicator("李俊基",getResources().getDrawable(R.drawable.tab2))
                  .setContent(R.id.layout2));
        
        myTabHost.addTab(myTabHost.newTabSpec("CC")
                  .setIndicator("炎亚纶",getResources().getDrawable(R.drawable.tab3))
                  .setContent(R.id.layout3));
        
        //标签切换事件
        myTabHost.setOnTabChangedListener(new OnTabChangeListener() {
            
            @Override
            publicvoid onTabChanged(String tabString) {
                if(tabString.equals("AA")){
                    myMenuSettingTag =1;
                }
                
                if(tabString.equals("BB")){
                    myMenuSettingTag =2;
                }
                
                if(tabString.equals("CC")){
                    myMenuSettingTag =3;
                }
                if (myMenu !=null) {
                    onCreateOptionsMenu(myMenu);
                }
            }
        });
    }
     
     
     
     @Override
    publicboolean onCreateOptionsMenu(Menu menu) {
        myMenu=menu;
        myMenu.clear();
        
        switch (myMenuSettingTag) {
        case1:
            Toast.makeText(this, "谢霆锋", Toast.LENGTH_SHORT).show();
            break;
        case2:
            Toast.makeText(this, "李俊基", Toast.LENGTH_SHORT).show();
            break;
        case3:
            Toast.makeText(this, "炎亚纶", Toast.LENGTH_SHORT).show();
            break;
        }
        returnsuper.onCreateOptionsMenu(menu);
    }
}

布局main.xml

?

<?xml version="1.0" encoding="utf-8"?>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

     <!-- 第一个Tab对应的布局 -->

   <LinearLayout

      android:id="@+id/layout1"

      android:layout_height="fill_parent"

      android:layout_width="fill_parent"

      android:orientation="vertical"

     >

      

     <ImageView

       android:id="@+id/Image01"

       android:layout_height="fill_parent"

       android:layout_width="wrap_content"

       android:src="@drawable/i1"

       />

      

     </LinearLayout>

     <!-- 第二个Tab对应的布局 -->

      <LinearLayout

      android:id="@+id/layout2"

      android:layout_height="fill_parent"

      android:layout_width="fill_parent"

      android:orientation="vertical"

     >

      

     <ImageView

       android:id="@+id/Image02"

       android:layout_height="fill_parent"

       android:layout_width="wrap_content"

       android:src="@drawable/i2"

       />

      

     </LinearLayout>

      

     <!-- 第三个Tab对应的布局 -->

      <LinearLayout

      android:id="@+id/layout3"

      android:layout_height="fill_parent"

      android:layout_width="fill_parent"

      android:orientation="vertical"

     >

      

     <ImageView

       android:id="@+id/Image03"

       android:layout_height="fill_parent"

       android:layout_width="wrap_content"

       android:src="@drawable/i3"

       />

      

     </LinearLayout>

</FrameLayout>

源码下载:http://u.115.com/file/bhbmel05