Add flutter_web_auth package

android/app/src/main/AndroidManifest.xml

@@ -32,6 +32,16 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <!-- Activity for Flutter web auth -->
+        <activity 
+            android:name="com.linusu.flutter_web_auth.CallbackActivity">
+            <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="auth"/>
+            </intent-filter>
+        </activity>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data

pubspec.lock

@@ -207,6 +207,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_auth:
+    dependency: "direct main"
+    description:
+      name: flutter_web_auth
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
   frontend_server_client:
     dependency: transitive
     description:
@@ -480,4 +487,4 @@ packages:
     version: "3.1.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.26.0-17.6.pre"
+  flutter: ">=2.0.0"

pubspec.yaml

@@ -32,6 +32,7 @@ dependencies:
   http: ^0.13.3
   provider: ^6.0.0
   flutter_secure_storage: ^4.2.1
+  flutter_web_auth: ^0.3.0
 
 dev_dependencies:
   flutter_test: