Discussion on: oauth2_client: implement OAuth2 clients with Flutter

[Samuel Luis dos Santos]

Hi Enrico. How I said before, this article is really amazing! I am just starting programming. I could implement a oauth2 following your tutorial and it works fine using iOS (flutter). However, it doesn't work when I try to use Android. I changed all this and still not works. What am I doing wrong??

My Manifest:

        <intent-filter android:label="flutter_web_auth">
            <action android:name="android.intent.action.VIEW" />
            <category android:name="android.intent.category.DEFAULT" />
            <category android:name="android.intent.category.BROWSABLE" />
            <data
                android:scheme= "com.example.ClassReport"
                />
        </intent-filter>
    </activity>

and my GoogleClient:

final GoogleOAuth2Client client = GoogleOAuth2Client(
redirectUri: 'com.example.ClassReport:/accounts.google.com:/', //Can be any URI, but the scheme part must correspond to the customeUriScheme
customUriScheme: 'com.example.ClassReport');

What happen when I try to compile to Android: after put password and click login, I don't go back to App. It keeps on google chrome.

Thanks,

[Enrico Triolo]

Hi Samuel,
try changing the redirectUri, removing the ":/" at the end and using "://" after the scheme.

Something like com.example.ClassReport://accounts.google.com should work.

Remember to update the redirect uri accordingly in the Google application registration panel. Obviously you can use the same redirectUri for both iOS and Android versions.

[Samuel Luis dos Santos]

Thank you again for supporting me. I did that but the error persists. So, I downloaded my json file from Google and implemented my own class (I'd like to say I'm learning a lot!) But, still I have two different situations:

1. If I use the redirect_uri of my json, I receive a browse message with an auth code;
2. If instead, I use the word 'auto', the browse shows me: ' You have authorization. Change to your app'. However, if I do that Flutter gives me an 'abort error'.

I'm so sorry if I'm bothering you.

Below my class and my Json.
Json --> (client_id *, project_id *
"auth_uri":"accounts.google.com/o/oauth2/auth"...}

Class -->
import 'package:oauth2_client/oauth2_client.dart';
import 'package:meta/meta.dart';

class MyOAuth2Client extends OAuth2Client {
MyOAuth2Client({@required String redirectUri, @required String customUriScheme}): super(
authorizeUrl: 'accounts.google.com/o/oauth2/auth', //Your service's authorization url
tokenUrl: 'oauth2.googleapis.com/token', //Your service access token url
redirectUri: "urn:ietf:wg:oauth:2.0:oob:auto",
customUriScheme: "com.example.ClassReport"
);
}

Thanks again, Enrico.

[Samuel Luis dos Santos]

I cloned your test app from Git and believe or not, I received the same error when I try to use :// --> (image) I think this is a Brazil problem. heheheh

[Dibaggio]

Try to change the package's name, com.example.ClassReport to com.example.classreport redirect is not working when the package's name is in upperCase