通过Google或电话号码登录来区分用户登录

Question

  mauth = FirebaseAuth.getInstance();
    FirebaseUser user= mauth.getCurrentUser();

   String name=user.getEmail().toString();
    if(name.equals("")){
        Toast.makeText(SignedActivity.this,"User Signed With Google",Toast.LENGTH_LONG).show();
        Glide.with(this)
                .load(user.getPhotoUrl())
                .into(imageview);
        String name1=user.getDisplayName().toString();
        String email=user.getEmail().toString();
        textview1.setText(name1);
    }
    else {
        Toast.makeText(SignedActivity.this,"User Signed with Mobile Number",Toast.LENGTH_LONG).show();
    }