< ViewSwitcher  android:layout_alignParentBottom ="true"
        android:persistentDrawingCache ="animation"  android:id ="@+id/bottom"
        android:layout_width ="match_parent"  android:inAnimation ="@android:anim/slide_in_left"
        android:outAnimation ="@android:anim/slide_out_right"  android:layout_height ="122.0dip" >
         < RelativeLayout  android:layout_width ="fill_parent"
            android:layout_gravity ="bottom"  android:layout_marginBottom ="12.0dip"
            android:id ="@+id/lyBottom"  android:layout_height ="wrap_content" >
             < Button  android:id ="@+id/btn_pre"  android:text ="上一步"
                android:layout_width ="wrap_content"  android:layout_height ="wrap_content"
                android:layout_centerVertical ="true"  android:layout_toLeftOf ="@+id/btn_middle"
                android:layout_marginRight ="150.0dip"   />
             < Button  android:id ="@+id/btn_middle"  android:layout_width ="wrap_content"
                android:layout_centerInParent ="true"  android:onClick ="onClick"  android:visibility ="invisible"
                android:textSize ="22.0sp"  
                android:layout_height ="wrap_content" ></ Button >
             < Button  android:id ="@+id/btn_next"   android:text ="下一步"
                android:layout_width ="wrap_content"  android:layout_height ="wrap_content"
                android:layout_centerVertical ="true"  android:layout_toRightOf ="@+id/btn_middle"
                android:layout_marginLeft ="150.0dip"   />
         </ RelativeLayout >
         < RelativeLayout  android:layout_width ="fill_parent"
            android:layout_gravity ="bottom"  android:layout_height ="wrap_content"
            android:orientation ="horizontal" >
             < ImageView  android:src ="@drawable/cube"  android:id ="@+id/btn_reinsure"
                android:layout_width ="wrap_content"  android:layout_height ="wrap_content"
                android:layout_marginLeft ="150.0dip" ></ ImageView >
             < ImageView  android:src ="@drawable/cyddz"  android:id ="@+id/btn_identity"
                android:layout_width ="wrap_content"  android:layout_height ="wrap_content"
                android:layout_toRightOf ="@+id/btn_reinsure"
                android:layout_marginLeft ="124.0dip" ></ ImageView >
             < ImageView  android:src ="@drawable/cykvmce"  android:id ="@+id/btn_insure_query"
                android:layout_toRightOf ="@+id/btn_identity"  android:layout_width ="wrap_content"
                android:layout_height ="wrap_content"  android:layout_marginLeft ="140.0dip" ></ ImageView >
             < ImageView  android:src ="@drawable/m8gprs"  android:id ="@+id/btn_review"
                android:layout_toRightOf ="@+id/btn_insure_query"
                android:layout_width ="wrap_content"  android:layout_height ="wrap_content"
                android:layout_marginLeft ="140.0dip" ></ ImageView >
             < ImageView  android:src ="@drawable/th_appshareth"
                android:layout_toRightOf ="@+id/btn_review"
                android:layout_width ="wrap_content"  android:layout_height ="wrap_content"
                android:layout_marginLeft ="130.0dip" ></ ImageView >
         </ RelativeLayout >
     </ ViewSwitcher >

        bottom  =  (ViewSwitcher) findViewById(R.id.bottom);
         // 切换为第一个
        bottom.setDisplayedChild( 0 );
         // 切换到下一个
         // bottom.showNext()

本文转自over140 51CTO博客，原文链接：http://blog.51cto.com/over140/658874，如需转载请自行联系原作者