ListView界面技巧

 <ListView android:id="@+id/lv_appmanage"
     android:paddingLeft="3.0dip" 
     android:paddingRight="3.0dip"
      android:layout_width="fill_parent"
       android:layout_height="wrap_content" 
       android:listSelector="@drawable/focused_bg" 
       android:cacheColorHint="#00000000" 
       android:divider="#00ffffff" 
       android:dividerHeight="3.0dip" 
       android:layout_below="@id/rl01" />