新浪微博的tab工具栏

package com.flysnow.sina.weibo;

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;

public class MainTabActivity extends TabActivity implements OnCheckedChangeListener{
 private RadioGroup mainTab;
 private TabHost mTabHost;
 
 private Intent mHomeIntent;
 private Intent mNewsIntent;
 private Intent mInfoIntent;
 private Intent mSearchIntent;
 private Intent mMoreIntent;
 
 private final static String TAB_TAG_HOME="tab_tag_home";
 private final static String TAB_TAG_NEWS="tab_tag_news";
 private final static String TAB_TAG_INFO="tab_tag_info";
 private final static String TAB_TAG_SEARCH="tab_tag_search";
 private final static String TAB_TAG_MORE="tab_tag_more";
    /** Called when the activity is first created. */
    @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);
       
        prepareIntent();
        setupIntent();
    }
  
 private void prepareIntent() {
  mHomeIntent=new Intent(this, HomeActivity.class);
  mNewsIntent=new Intent(this, NewsActivity.class);
  mInfoIntent=new Intent(this, MyInfoActivity.class);
  mSearchIntent=new Intent(this,SearchActivity.class);
  mMoreIntent=new Intent(this, MoreActivity.class);
 }
 
 private void setupIntent() {
  this.mTabHost=getTabHost();
  TabHost localTabHost=this.mTabHost;
  localTabHost.addTab(buildTabSpec(TAB_TAG_HOME, R.string.main_home, R.drawable.icon_1_n, mHomeIntent));
  localTabHost.addTab(buildTabSpec(TAB_TAG_NEWS, R.string.main_news, R.drawable.icon_2_n, mNewsIntent));
  localTabHost.addTab(buildTabSpec(TAB_TAG_INFO, R.string.main_my_info, R.drawable.icon_3_n, mInfoIntent));
  localTabHost.addTab(buildTabSpec(TAB_TAG_SEARCH, R.string.menu_search, R.drawable.icon_4_n, mSearchIntent));
  localTabHost.addTab(buildTabSpec(TAB_TAG_MORE, R.string.more, R.drawable.icon_5_n, mMoreIntent));
 }
 
 private TabHost.TabSpec buildTabSpec(String tag, int resLabel, int resIcon,final Intent content) {
  return this.mTabHost.newTabSpec(tag).
          setIndicator(getString(resLabel),getResources().getDrawable(resIcon)).
          setContent(content);
 }

 public void onCheckedChanged(RadioGroup group, int checkedId) {
  switch(checkedId){
  case R.id.radio_button0:
   this.mTabHost.setCurrentTabByTag(TAB_TAG_HOME);
   break;
  case R.id.radio_button1:
   this.mTabHost.setCurrentTabByTag(TAB_TAG_NEWS);
   break;
  case R.id.radio_button2:
   this.mTabHost.setCurrentTabByTag(TAB_TAG_INFO);
   break;
  case R.id.radio_button3:
   this.mTabHost.setCurrentTabByTag(TAB_TAG_SEARCH);
   break;
  case R.id.radio_button4:
   this.mTabHost.setCurrentTabByTag(TAB_TAG_MORE);
   break;
  }
 }  
}

 

xml配置文件：

<?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"
    >
    <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="2.0dip"
       android:text="@string/main_home"
       android:drawableTop="@drawable/icon_1_n"
       android:id="@+id/radio_button0"
       style="@style/main_tab_bottom"/>
       
        <RadioButton
       android:layout_marginTop="2.0dip"
       android:text="@string/main_news"
       android:drawableTop="@drawable/icon_2_n"
       android:id="@+id/radio_button1"
       style="@style/main_tab_bottom"/>
       
        <RadioButton
       android:layout_marginTop="2.0dip"
       android:text="@string/main_my_info"
       android:drawableTop="@drawable/icon_3_n"
       android:id="@+id/radio_button2"
       style="@style/main_tab_bottom"/>
       
        <RadioButton
       android:layout_marginTop="2.0dip"
       android:text="@string/menu_search"
       android:drawableTop="@drawable/icon_4_n"
       android:id="@+id/radio_button3"
       style="@style/main_tab_bottom"/>
            
        <RadioButton
       android:layout_marginTop="2.0dip"
       android:text="@string/more"
       android:drawableTop="@drawable/icon_5_n"
       android:id="@+id/radio_button4"
       style="@style/main_tab_bottom"/>
     </RadioGroup>
    </LinearLayout>
</TabHost>

 

style文件：

<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="main_tab_bottom">
 <item name="android:textSize">@dimen/bottom_tab_font_size</item>
    <item name="android:textColor">#ffffffff</item>
    <item name="android:ellipsize">marquee</item>
    <item name="android:gravity">center_horizontal</item>
    <item name="android:background">@drawable/home_btn_bg</item>
    <item name="android:paddingTop">@dimen/bottom_tab_padding_up</item>
    <item name="android:layout_width">fill_parent</item>
    <item name="android:layout_height">wrap_content</item>
    <item name="android:button">@null</item>
    <item name="android:singleLine">true</item>
    <item name="android:drawablePadding">@dimen/bottom_tab_padding_drawable</item>
    <item name="android:layout_weight">1.0</item>
</style>
</resources>

样式文件：

<?xml version="1.0" encoding="UTF-8"?>
<selector
  xmlns:android=" http://schemas.android.com/apk/res/android">
    <item android:state_focused="true"
        android:state_enabled="true"
        android:state_pressed="false"
        android:drawable="@drawable/home_btn_bg_s" />
    <item android:state_enabled="true"
        android:state_pressed="true"
        android:drawable="@drawable/home_btn_bg_s" />
    <item android:state_enabled="true"
        android:state_checked="true"
        android:drawable="@drawable/home_btn_bg_d" />
    <item android:drawable="@drawable/transparent" />
</selector>