title: Flutter Firebase Auth doesn't work from Google Play
body: <p>I've firebase auth services in my flutter app. It's working on emulator &amp; real device (while debug). But when i publish it on google play neither alpha test or release version it doesn't work.</p>
  <p><strong>Main.dart</strong></p>
  <pre><code>        StreamProvider(
        create: (context) =&gt; context.read&lt;AuthenticationService&gt;().authStateChanges,
      )
  </code></pre>
  <p><strong>AuthService</strong></p>
  <pre><code>  final FirebaseAuth _firebaseAuth;
    AuthenticationService(this._firebaseAuth);
    AccessToken accessToken;
    Stream&lt;User&gt; get authStateChanges =&gt; _firebaseAuth.idTokenChanges();
  </code></pre>
  <p><strong>SignedIn Method in AuthService</strong></p>
  <pre><code>  Future&lt;String&gt; signIn({String email, String password}) async {
      try {
        await _firebaseAuth.signInWithEmailAndPassword(email: email, password: password);
        String uid = await FirebaseAuth.instance.currentUser.uid;
  
        return &quot;Signed in&quot;;
      } on FirebaseAuthException catch (e) {
        return e.message;
      }
    }
  </code></pre>
  <p><strong>Login.dart</strong></p>
  <pre><code>  var login = await context.read&lt;AuthenticationService&gt;().signIn(email: mailController.text, password: sifreController.text);
  </code></pre>