TabWidget

TabTest.java
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package
 org.hualang.tab;
import
 android.app.Activity;
import
 android.app.TabActivity;
import
 android.graphics.Color;
import
 android.os.Bundle;
import
 android.widget.TabHost;
import
 android.widget.Toast;
import
 android.widget.TabHost.OnTabChangeListener;
public
 
class
 TabTest 
extends
 TabActivity {
    
/** Called when the activity is first created. */
    TabHost tabhost;
    
@Override
    
public
 
void
 onCreate(Bundle savedInstanceState) {
        
super
.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
//取得TabHost对象
        tabhost = getTabHost();
        
//为TabHost添加标签
        
//新建一个newTabSpec(newTabSpec)
        
//设置其标签和图标（setIndicator）
        
//设置内容（setContent）
        tabhost.addTab(tabhost.newTabSpec(
"tab1"
)
                .setIndicator(
"TAB 1"
,getResources().getDrawable(R.drawable.img1))
                .setContent(R.id.text1));
        tabhost.addTab(tabhost.newTabSpec(
"tab2"
)
                .setIndicator(
"TAB 2"
,getResources().getDrawable(R.drawable.img2))
                .setContent(R.id.text2));
        tabhost.addTab(tabhost.newTabSpec(
"tab3"
)
                .setIndicator(
"TAB 3"
,getResources().getDrawable(R.drawable.img3))
                .setContent(R.id.text3));
        
//设置TabHost的背景颜色
        
//tabhost.setBackgroundColor(Color.argb(150,22,70,150));
        
//设置TabHost的背景图片资源
        tabhost.setBackgroundResource(R.drawable.bg0);
        
//设置当前显示哪个标签
        tabhost.setCurrentTab(
0
);
        
//标签切换事件处理，setOnTabChangedListener
        tabhost.setOnTabChangedListener(
new
 OnTabChangeListener()
        {
            
public
 
void
 onTabChanged(String tabId)
            {
                Toast toast=Toast.makeText(getApplicationContext(), 
"现在是"
+tabId+
"标签"
, Toast.LENGTH_SHORT);
                toast.show();
            }
        });

    }
}

 

<?
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"
>
        
<
TabWidget
            
android:id
=
"@android:id/tabs"
            
android:layout_width
=
"fill_parent"
            
android:layout_height
=
"wrap_content"
 
/>
        
<
FrameLayout
            
android:id
=
"@android:id/tabcontent"
            
android:layout_width
=
"fill_parent"
            
android:layout_height
=
"fill_parent"
>
            
<
TextView
                
android:id
=
"@+id/text1"
                
android:layout_width
=
"fill_parent"
                
android:layout_height
=
"fill_parent"
                
android:text
=
"选项卡1"
 
/>
            
<
TextView
                
android:id
=
"@+id/text2"
                
android:layout_width
=
"fill_parent"
                
android:layout_height
=
"fill_parent"
                
android:text
=
"选项卡2"
 
/>
            
<
TextView
                
android:id
=
"@+id/text3"
                
android:layout_width
=
"fill_parent"
                
android:layout_height
=
"fill_parent"
                
android:text
=
"选项卡3"
 
/>
        
</
FrameLayout
>
    
</
LinearLayout
>
</
TabHost
>

来自：http://dev.10086.cn/cmdn/wiki/index.php?edition-view-6819-1.html