菜单栏

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main.xml：

xml version="1.0"encoding="utf-8"?>
<TabHostxmlns:android="http://schemas.android.com/apk/res/android"
 android:id="@android:id/tabhost"
 android:layout_width="fill_parent"
 android:layout_height="fill_parent"
 >
 <<spanstyle="color: rgb(128, 0, 0);">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>

drawable/home_btn_bg.xml：切换时的效果：

xml version="1.0"encoding="UTF-8"?>
<selector
xmlns:android="http://schemas.android.com/apk/res/android">
 <<spanstyle="color: rgb(128, 0, 0);">item android:state_focused="true"android:state_enabled="true"android:state_pressed="false"android:drawable="@drawable/home_btn_bg_s"/>
 <<spanstyle="color: rgb(128, 0, 0);">item android:state_enabled="true"android:state_pressed="true"android:drawable="@drawable/home_btn_bg_s"/>
 <<spanstyle="color: rgb(128, 0, 0);">item android:state_enabled="true"android:state_checked="true"android:drawable="@drawable/home_btn_bg_d"/>
 <<spanstyle="color: rgb(128, 0, 0);">item android:drawable="@drawable/transparent"/>
selector>

string/dimens.xml 尺寸文件：

xml version="1.0"encoding="utf-8"?>
<resources>
 <<spanstyle="color: rgb(128, 0, 0);">dimen name="bottom_tab_padding_drawable">2.0dipdimen>
 <<spanstyle="color: rgb(128, 0, 0);">dimen name="bottom_tab_padding_up">5.0dipdimen>
 <<spanstyle="color: rgb(128, 0, 0);">dimen name="bottom_tab_font_size">10.0dipdimen>
resources>

string/drawables.xml设置为透明:

xml version="1.0"encoding="utf-8"?>
<resources>
<item type="drawable" name="transparent">#00000000item>
resources>

string/styles.xml样式文件:

xml version="1.0"encoding="utf-8"?>
<resources>
<style name="main_tab_bottom">
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:textSize">@dimen/bottom_tab_font_sizeitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:textColor">#ffffffffitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:ellipsize">marqueeitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:gravity">center_horizontalitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:background">@drawable/home_btn_bgitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:paddingTop">@dimen/bottom_tab_padding_upitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:layout_width">fill_parentitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:layout_height">wrap_contentitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:button">@nullitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:singleLine">trueitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:drawablePadding">@dimen/bottom_tab_padding_drawableitem>
 <<spanstyle="color: rgb(128, 0, 0);">item name="android:layout_weight">1.0item>
style>
resources>

代码：

importandroid.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 implementsOnCheckedChangeListener{
    privateRadioGroup mainTab;
    privateTabHost tabhost;
    privateIntent iHome;
    privateIntent iNews;
    privateIntent iInfo;
    privateIntent iSearch;
    privateIntent iMore;

   @Override
    public voidonCreate(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();

       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 voidonCheckedChanged(RadioGroup group, int checkedId) {
       switch(checkedId){
       case R.id.radio_button0:
           this.tabhost.setCurrentTabByTag("iHome");
           break;
       case R.id.radio_button1:
           this.tabhost.setCurrentTabByTag("iNews");
           break;
       case R.id.radio_button2:
           this.tabhost.setCurrentTabByTag("iInfo");
           break;
       case R.id.radio_button3:
           this.tabhost.setCurrentTabByTag("iSearch");
           break;
       case R.id.radio_button4:
           this.tabhost.setCurrentTabByTag("iMore");
           break;
       }
   }
}

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