Android: Reduce space between columns in GridView

Question

See attached screenshot where I am attempting to reduce the space between the columns in my GridView.

My main.xml is as follows:

Answer 1

I had the same problem. I minimized column space by doing this

for gridView

android:numColumns="2"
android:columnWidth="90dp"
android:verticalSpacing="0dp"
android:horizontalSpacing="-30dp"
android:stretchMode="columnWidth"

for imageView

android:layout_width="115dp"
android:layout_height="150dp"
android:padding="1dp"
android:layout_marginLeft="30dp"
android:layout_marginRight="-15dp"