<?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="fill_parent"     android:layout_height="fill_parent"     android:background="@drawable/mnv"     >     <LinearLayout         android:orientation="vertical"         android:layout_width="fill_parent"         android:layout_height="fill_parent">         <FrameLayout              android:id="@android:id/tabcontent"             android:layout_width="fill_parent"             android:layout_height="0.0dip"             android:layout_weight="1.0"/>         <TabWidget              android:id="@android:id/tabs"             android:layout_width="fill_parent"             android:layout_height="wrap_content"             android:layout_weight="0.0"             android:visibility="gone"/>         <RadioGroup             android:id="@+id/main_tab"             android:background="@drawable/maintab_toolbar_bg"             android:orientation="horizontal"             android:layout_width="fill_parent"             android:layout_height="wrap_content"             android:gravity="center_vertical"             android:layout_gravity="bottom">             <RadioButton                  android:layout_marginTop="0.5dip"                 android:text="@string/main_home"                 android:drawableTop="@drawable/icon_0_n"                 android:id="@+id/radio_button0"                 style="@style/main_tab_bottom"/>             <RadioButton                  android:layout_marginTop="0.5dip"                 android:text="@string/main_news"                 android:drawableTop="@drawable/icon_1"                 android:id="@+id/radio_button1"                 style="@style/main_tab_bottom"/>             <RadioButton                  android:layout_marginTop="0.5dip"                 android:text="@string/main_shou_cang"                 android:drawableTop="@drawable/icon_3_n"                 android:id="@+id/radio_button2"                 style="@style/main_tab_bottom"/>             <RadioButton                  android:layout_marginTop="1.0dip"                 android:text="@string/main_my_info"                 android:drawableTop="@drawable/icon_4_n"                 android:id="@+id/radio_button3"                 style="@style/main_tab_bottom"/>             <RadioButton                  android:layout_marginTop="0.5dip"                 android:text="@string/more"                 android:drawableTop="@drawable/icon_5_n"                 android:id="@+id/radio_button4"                 style="@style/main_tab_bottom"/>         </RadioGroup>     </LinearLayout> </TabHost>

package com.jun.activity; import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.view.Window; import android.widget.RadioGroup; import android.widget.TabHost; import android.widget.RadioGroup.OnCheckedChangeListener; import android.widget.Toast; public class MainTabActivity extends TabActivity implements OnCheckedChangeListener{     private RadioGroup mainTab;     private TabHost tabhost;     private Intent iHome;     private Intent iNews;     private Intent iInfo;     private Intent iSearch;     private Intent iMore;          @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         requestWindowFeature(Window.FEATURE_NO_TITLE);         setContentView(R.layout.main);         mainTab=(RadioGroup)findViewById(R.id.main_tab);         mainTab.setOnCheckedChangeListener(this);         tabhost = getTabHost(); //        在此进行Intent的初始化,设置Intent将传进那个Activity //        iHome = new Intent(this, HomeActivity.class); //        tabhost.addTab(tabhost.newTabSpec("iHome") //                .setIndicator(getResources().getString(R.string.main_home), getResources().getDrawable(R.drawable.icon_1_n)) //                .setContent(iHome)); //         //        iNews = new Intent(this, NewsActivity.class); //        tabhost.addTab(tabhost.newTabSpec("iNews") //                .setIndicator(getResources().getString(R.string.main_news), getResources().getDrawable(R.drawable.icon_2_n)) //                .setContent(iNews)); //         //        iInfo = new Intent(this, MyInfoActivity.class); //        tabhost.addTab(tabhost.newTabSpec("iInfo") //                .setIndicator(getResources().getString(R.string.main_my_info), getResources().getDrawable(R.drawable.icon_3_n)) //                .setContent(iInfo)); //         //        iSearch = new Intent(this,SearchActivity.class); //        tabhost.addTab(tabhost.newTabSpec("iSearch") //                .setIndicator(getResources().getString(R.string.menu_search), getResources().getDrawable(R.drawable.icon_4_n)) //                .setContent(iSearch)); //         //        iMore = new Intent(this, MoreActivity.class); //         tabhost.addTab(tabhost.newTabSpec("iMore") //                    .setIndicator(getResources().getString(R.string.more), getResources().getDrawable(R.drawable.icon_5_n)) //                    .setContent(iMore));     }         @Override     public void onCheckedChanged(RadioGroup group, int checkedId) {         switch(checkedId){         case R.id.radio_button0:             Toast.makeText(MainTabActivity.this,"button0",Toast.LENGTH_SHORT).show();             break;         case R.id.radio_button1:             Toast.makeText(MainTabActivity.this,"button1",Toast.LENGTH_SHORT).show();             break;         case R.id.radio_button2:             Toast.makeText(MainTabActivity.this,"button2",Toast.LENGTH_SHORT).show();             break;         case R.id.radio_button3:             Toast.makeText(MainTabActivity.this,"button3",Toast.LENGTH_SHORT).show();             break;         case R.id.radio_button4:             Toast.makeText(MainTabActivity.this,"button4",Toast.LENGTH_SHORT).show();             break;         }     } }