I am not sure I am using the right words for this UI feature, but I have attached a snapshot of what I am looking to achieve in my app.
Its used by Go SMS, where a u
Update:
Official way of doing it is now through Chips material component.
https://material.io/components/chips/
https://material.io/develop/android/components/chip/
https://medium.com/material-design-in-action/chips-material-components-for-android-46001664a40f
Old Answer:
You are looking for Chips library.
Here is one https://github.com/kpbird/chips-edittext-library
Another library that works with contacts by Roman Nurik https://plus.google.com/+RomanNurik/posts/WUd7GrfZfiZ