I am trying to integrate Google sign-in into my android app using Firebase, but I am running into issues. I am following the tutorial here, and I believe that I have followed it to the word. I added Firebase to my app, added my SHA-1 fingerprint, enabled Google sign-in, and added the dependencies to my grade files. Then, I copied the code in the github project linked to in the tutorial. However, when I run the application, and my …