by changing android:numColumns="1", the last exercise of "
GridView" can be modified to a Gallery-like single column GridView.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<GridView
android:id="@+id/gridview"
android:layout_width="130dp"
android:layout_height="fill_parent"
android:columnWidth="90dp"
android:numColumns="1"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:stretchMode="columnWidth"
android:gravity="center"
android:background="@android:color/background_dark"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@android:color/background_light">
</LinearLayout>
</LinearLayout>
