Android-取消GridView/ListView item被点击时的效果

gridView.setSelector(new ColorDrawable(Color.TRANSPARENT));
listView.setSelector(new ColorDrawable(Color.TRANSPARENT))；

<GridView
        android:listSelector="@android:color/transparent"
        android:numColumns="auto_fit"
        android:columnWidth="50dp"
        android:stretchMode="spacingWidth"
        android:layout_weight="1.0"
        android:layout_height="0dip"
        android:layout_width="match_parent"/>

<ListView
        android:listSelector="@android:color/transparent"
        android:layout_height="match_parent"
        android:layout_width="match_parent"/>