title: using google auth in flutter and displaying usernames and images
body: <p>I am trying to get the username of google account that  user used in his sign in and I want to display it as text not print can you help.this is the code:</p>
  
  <pre><code>FirebaseUser user = await _auth.signInWithGoogle(
      idToken: gSA.idToken, accessToken: gSA.accessToken);
  print("User Name : ${user.displayName}");
  return user;}
  </code></pre>
  
  <p>and the part that I want to put the username in as a text is here </p>
  
  <pre><code>new ListTile(
            title: new Text("Log In"),
            leading: new Icon(Icons.account_box),
            onTap: () =&gt; _signIn()
                .then((FirebaseUser user) =&gt; print(user))
                .catchError((e) =&gt; print(e)),
            subtitle: new Text(display username here),
          ),
  </code></pre>