I have a problem in login into firebase / I wrote the following method:

The actual problem is that when i am trying to connect the firebase with android studio to do the authencation and database storage the code shows no error and while running the app the app crashes while opening the source code shows no error. Plz anyone give me the solution for it..

I have integrated Firebase Phone Authentication features into my android app with all required SHA-1 and SHA-256 also with required service.json file and manage all required permissions