<in.srain.cube.views.GridViewWithHeaderAndFooter
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/gridview"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:horizontalSpacing="@dimen/grid_view_padding"
    android:numColumns="2"
    android:padding="@dimen/grid_view_padding"
    android:stretchMode="columnWidth"
    android:verticalSpacing="@dimen/grid_view_padding" />