探索Gallery和ImageSwitcher布局

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     android:layout_width="match_parent"
 3     android:layout_height="match_parent"
 4     android:orientation="vertical"
 5     >
 6     <Gallery 
 7         android:id="@+id/img_gallery"
 8         android:layout_width="fill_parent"
 9         android:layout_height="110px"
10         android:layout_marginTop = "100px"
11         android:layout_alignParentLeft="true"
12         />
13     <ImageSwitcher 
14         android:id="@+id/image_switcher"
15         android:layout_width="90px"
16         android:layout_height="90px"
17         android:layout_alignParentTop="true"
18         android:layout_centerHorizontal="true"
19         android:layout_alignBottom="@+id/img_gallery"
20         
21         ></ImageSwitcher>
22 </RelativeLayout>