device token not saved

i tried to create an ionic app using:
ionic start scratch1 io

i have also create an account at and have changed the necessary API keys in app.js. when i try to register a user, it notifies that it has gotten a token. but the problem is when i go to the dashboard of and click on the user, it says “No Android device tokens for this user”. I tried all sorts of things to no avail. can anybody help me how to store this tokens?