Tabhost 和 viewpager的结合使用

一：布局

<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/tabhost"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <android.support.v4.view.ViewPager
        android:id="@+id/center_body_view_pagers"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content" >
    </android.support.v4.view.ViewPager>
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >

        <!-- 隐藏的TabWidget,visibility="gone" -->

        <TabWidget
            android:id="@android:id/tabs"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:visibility="gone" />

        <!-- 标签内容 -->

        <FrameLayout
            android:id="@android:id/tabcontent"
            android:layout_width="fill_parent"
            android:layout_height="0dip"
            android:layout_weight="1" />

        <RelativeLayout
            android:id="@+id/relative_bottom"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:gravity="fill_horizontal" >

            <RadioGroup
                android:id="@+id/tab_group"
                android:layout_width="fill_parent"
                android:layout_height="60dip"
                android:background="@drawable/list_bottombar_bg"
                android:gravity="bottom|center_horizontal"
                android:orientation="horizontal" >

                <RadioButton
                    android:id="@+id/local"
                    android:layout_width="105dip"
                    android:layout_height="wrap_content"
                    android:layout_alignParentLeft="true"
                    android:background="@drawable/local_bottom"
                    android:button="@null"
                    android:clickable="true"
                    android:focusable="true" >
                </RadioButton>

               
                  <RadioButton
                    android:id="@+id/online"
                    android:layout_width="105dip"
                    android:layout_height="wrap_content"
                    android:layout_alignParentRight="true"
                    android:background="@drawable/net_buttom"
                    android:button="@null" />
            </RadioGroup>
        </RelativeLayout>
    </LinearLayout>

    

</TabHost>

二：activity

package com.ct.app.qqmusicplayer;

import java.util.ArrayList;
import java.util.List;

import android.app.LocalActivityManager;
import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.TabHost;

public class TabHostMainActivity extends TabActivity implements
    OnCheckedChangeListener{
    TabHost tabhost;

    private RadioGroup maintab;

    // 页卡内容
    private ViewPager mPager;
    // Tab页面列表
    private List<View> listViews;
    // 当前页卡编号
    private LocalActivityManager manager = null;
     
    private MyPagerAdapter mpAdapter = null;
      int index;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.tabhost_list);
        maintab = (RadioGroup) findViewById(R.id.tab_group);
        maintab.setOnCheckedChangeListener(this);// 设置RadioGroup监听器
        tabhost = getTabHost();
        mPager = (ViewPager) findViewById(R.id.center_body_view_pagers);
        manager = new LocalActivityManager(this, true);
        manager.dispatchCreate(savedInstanceState);
        InitViewPager();
        }
    
    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {
        switch (checkedId) {
        case R.id.local:
            index=0;
            //tabhost.setCurrentTabByTag("localmusic");
            listViews.set(0, getView("A", new Intent(TabHostMainActivity.this, MusicListActivity.class)));
            mpAdapter.notifyDataSetChanged();
            mPager.setCurrentItem(0);
            break;
        
        case R.id.online:
            index=1;
            //tabhost.setCurrentTabByTag("netmusic");
            listViews.set(1, getView("B", new Intent(TabHostMainActivity.this, MusicOnlineActivity.class)));
            mpAdapter.notifyDataSetChanged();
            mPager.setCurrentItem(1);
            break;
        }

    }
    /***初始化滑动**/
    private void InitViewPager() {
        Intent intent = null;
        listViews = new ArrayList<View>();
        mpAdapter = new MyPagerAdapter(listViews);
        intent = new Intent(TabHostMainActivity.this, MusicListActivity.class);
        listViews.add(getView("A", intent));
       
        intent = new Intent(TabHostMainActivity.this, MusicOnlineActivity.class);
        listViews.add(getView("B", intent));
        mPager.setOffscreenPageLimit(0);
        mPager.setAdapter(mpAdapter);
        mPager.setCurrentItem(0);
        mPager.setOnPageChangeListener(new MyOnPageChangeListener());
}
    public class MyPagerAdapter extends PagerAdapter{
        public List<View> mListViews;
         
        public MyPagerAdapter(List<View> mListViews) {
                this.mListViews = mListViews;
        }
        @Override
        public int getCount() {
            return mListViews.size();
        }

        @Override
        public boolean isViewFromObject(View arg0, Object arg1) {
            return arg0 == (arg1);
        }
        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            ((ViewPager) container).removeView(mListViews.get(position));
        }
        @Override
        public void finishUpdate(ViewGroup container) {
        
        }
        @Override
        public Object instantiateItem(ViewGroup container, int position) {
             ((ViewPager) container).addView(mListViews.get(position), 0);
             return mListViews.get(position);
        }
        @Override
        public Parcelable saveState() {
            return null;
        }
        @Override
        public void startUpdate(ViewGroup container) {
        
        }
        
    }
     public class MyOnPageChangeListener implements OnPageChangeListener {

        @Override
        public void onPageScrollStateChanged(int arg0) {
            
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
            
        }

        @Override
        public void onPageSelected(int pos) {
              manager.dispatchResume();
              switch (pos) {
            case 0:
                 index = 0;
                 maintab.check(R.id.local);
                listViews.set(0, getView("A", new Intent(TabHostMainActivity.this, MusicListActivity.class)));
                mpAdapter.notifyDataSetChanged();    
                break;

            case 1:
                index=1;
                maintab.check(R.id.online);
                listViews.set(1, getView("B", new Intent(TabHostMainActivity.this, MusicOnlineActivity.class)));
                mpAdapter.notifyDataSetChanged();
                mPager.setCurrentItem(1);
                break;
            }
            
        }
         
     }
     private View getView(String id, Intent intent) {
         return manager.startActivity(id, intent).getDecorView();
 }
    
    

}

(在：F:\java\TabHost和Viewpaper的结合使用)