API key is not included, it needs to be added in app/src/main/java/com/ratik/popularmovies/Keys.java as
public static final String API_KEY = "key_here".
- Go to The Movie Database.
- If you don’t already have an account, create one.
- Create a request for an API key stating that you will use it for educational / non-commercial purposes.
- Provide the required personal information to complete the request.
- That's it!