How do I set the android text view to cut any letters that don't fit in a layout

Give the first (left) TextView a set size (set in relative terms, dp), or use maxWidth for it, and also use ellipsize.

http://developer.android.com/reference/android/widget/TextView.html#attr_android:ellipsize

This is a good answer to your problem: TextView cuts off text when it is long enough

Also, seems similar to this question which may help: Two TextViews side by side, only one to ellipsize?

Try something like this:

android:singleLine="true"
android:ellipsize="start"
android:scrollHorizontally="true"

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