Integrate OAuth2 lib

android/app/src/main/AndroidManifest.xml

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.vereign.mobile_app">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
          In most cases you can leave this as-is, but you if you want to provide
@@ -31,6 +34,7 @@
 
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
+
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
                 <data
@@ -38,5 +42,26 @@
                     android:host="app.vereign.com" />
             </intent-filter>
         </activity>
+
+        <activity
+            android:name="net.openid.appauth.RedirectUriReceiverActivity"
+            tools:node="replace">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:scheme="app"
+                    android:host="com.vereign.app"
+                    android:path="/oauth2"/>
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name="github.showang.flutterappauthwrapper.OAuthActivity"
+            android:configChanges="orientation|screenSize"
+            android:theme="@style/Theme.AppCompat.Translucent" />
     </application>
 </manifest>

android/app/src/main/res/values/styles.xml

@@ -5,4 +5,13 @@
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
+
+    <style name="Theme.AppCompat.Translucent" parent="@style/Theme.AppCompat.NoActionBar">
+        <item name="android:windowNoTitle">true</item>
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowAnimationStyle">@android:style/Animation</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+    </style>
 </resources>

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
+android.enableJetifier=true
+android.useAndroidX=true
 

lib/app.dart

@@ -17,7 +17,7 @@ class App extends StatefulWidget {
 class _AppState extends State<App> {
   StreamSubscription _sub;
 
-  String _appMode = "oauth";
+  String _appMode = "app";
 
   @override
   initState() {
@@ -51,7 +51,7 @@ class _AppState extends State<App> {
   }
 
   updateAppMode(uri) {
-
+    log("Uri ${uri?.toString()}");
     if (uri?.path == "/oauth2") {
       setState(() {
         _appMode = "oauth";

lib/screens/home.dart

 import 'package:flutter/material.dart';
 import 'package:flutter_web_browser/flutter_web_browser.dart';
+import 'package:flutter_app_auth_wrapper/flutter_app_auth_wrapper.dart';
 import 'dart:developer';
 
 class Home extends StatefulWidget {
@@ -10,8 +11,15 @@ class Home extends StatefulWidget {
   _HomeState createState() => _HomeState();
 }
 
+String clientId = "222222";
+String clientSecret = "22222222";
+
+String redirectURL = "app://com.vereign.app/oauth2";
+String authEndpoint = "https://gospodinbodurov.dev.vereign.com/api/oauth2/authorize";
+String tokenEndpoint = "https://gospodinbodurov.dev.vereign.com/api/oauth2/token";
+
 class _HomeState extends State<Home> {
-  final _links = ['vereign://app.vereign.com', 'vereign://app.vereign.com/oauth2', 'https://rosengeorgiev.dev.vereign.com', 'https://igormarkin.dev.vereign.com', 'https://gospodinbodurov.dev.vereign.com'];
+  final _links = ['vereign://app.vereign.com', 'vereign://app.vereign.com/oauth2', 'testredirect://app.vereign.com', 'https://igormarkin.dev.vereign.com', 'https://gospodinbodurov.dev.vereign.com'];
 
   @override
   initState() {
@@ -31,10 +39,26 @@ class _HomeState extends State<Home> {
   }
 
   showMode(mode) {
+    log(mode);
     if (mode == "app") {
       FlutterWebBrowser.openWebPage(url: 'https://app.vereign.com', androidToolbarColor: Colors.deepPurple);
     } else if (mode == "oauth") {
-      FlutterWebBrowser.openWebPage(url: 'https://app.vereign.com/oauth2', androidToolbarColor: Colors.deepPurple);
+      FlutterAppAuthWrapper.startAuth(
+        AuthConfig(
+          clientId: clientId,
+          clientSecret: clientSecret,
+          redirectUrl: redirectURL,
+          state: "login",
+          prompt: "consent",
+          endpoint: AuthEndpoint(
+              auth: authEndpoint, token: tokenEndpoint),
+          scopes: [
+            "user_account_status",
+            "user_territory",
+            "user_profile"
+          ],
+        ),
+      );
     }
   }
 

pubspec.lock

@@ -41,6 +41,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_app_auth_wrapper:
+    dependency: "direct main"
+    description:
+      name: flutter_app_auth_wrapper
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1+3"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -53,6 +60,20 @@ packages:
       relative: true
     source: path
     version: "0.11.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.0+2"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.3"
   matcher:
     dependency: transitive
     description:

pubspec.yaml

@@ -26,6 +26,8 @@ dependencies:
     # Use
     path: ./deps/flutter_web_browser
   uni_links: 0.2.0
+  http: ^0.12.0
+  flutter_app_auth_wrapper: ^0.1.1+3
 
 dev_dependencies:
   flutter_test: