Register to be default app for custom file type

Question

Register to be able to open files of custom type. Say i have .cool files, and if the user tries to open it, Android asks if they would like to open it with my application. H

Answer 1

One possible answer is shown here . Use this inside one of your activity tag and it'll be opened when the file have been pressed. I tested it using the native android file manager in Oreo.