Obtaining the id of the user's session in firebase is not obtained?

user_16335660 0
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It is working in android studio and managing cell phone authentication in firebase, Can't get user session id in firebase, It works in a first activity but wanting to obtain a second activity is where the problem occurs, and the app closes automatically. The code is in a provider class which is this:

public String getId(){
        if(auth.getCurrentUser() != null){
            return auth.getCurrentUser().getUid();
        }
        else{
            return null;
        }
    }

to get the id of the session in another class of an activity I instantiate the provider class and do this:

Provider provider = new Provider();
Log.d("id",provider.getId());

Someone who can tell me what may be happening, thank you in advance.

firebase-authentication android-studio
1 Answers

Just declare and initialize FirebaseAuth again in the activity where you want to fetch current user's userID.

Try like this:

    public String getId(){

       if( FirebaseAuth.getInstance() != null)
              return  FirebaseAuth.getInstance().getCurrentUser().getUid();
       else
           return null;
       
     }
user_132727950
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