android-继承BaseAdapter--自定义适配器，getView执行多次的解决方法

 <ListView
        android:id="@+id/lv_messages"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/linearLayout1"
        android:cacheColorHint="#0000"
        android:divider="#0000"
        android:dividerHeight="2dp"
        android:listSelector="#0000" >
    </ListView> <ListView