There was a previous thread (link below) asking how to do this, with no answer available at that time. I ran across an answer and thought I would document it for future searches. Tested and works in my app.
Disable Multi-touch
:sign0085: Hi all, I have been searching the forums and cannot find an answer to my problem. In an app I am creating, I need to disable the multi-touch feature of devices. In other words, I only want one input at a time. This is due to the fact that multi-touch creates a glitch in my app...
Disable Multi-Touch:
<style name="AppTheme" parent="Theme.AppCompat.NoActionBar">
...
<item name="android:splitMotionEvents">false</item>
<item name="android:windowEnableSplitTouch">false</item>
</style>