Where can I see the implementation of a dynamic word completion sentence for a given dictionary?

Question

Android

Given:
A simple application consisting of an input line, a button, and an output field;
Dictionary for 2000 words.
In its current form, the search for a word comes after pressing the button, and if the word is not found, Toast pops up.
I would like to make a dynamic display of search results, as the word is typed.
For example:
-> A...
| A Brasive
| A rmelon
| A freak
->Ab...
| Ab erration
| Absolute pressure
| Aborigen
Etc. _

Answer 1

Found an example solution
by Android Developer