updating example app to authenticate anonymous users

Panosfunk · Panosfunk · commit 06fa47e9ebab · 2025-10-03T15:38:28.000+02:00
diff --git a/backends/carp_webservices/example/android/app/build.gradle b/backends/carp_webservices/example/android/app/build.gradle
@@ -10,12 +10,13 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+        coreLibraryDesugaringEnabled true
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8
+        jvmTarget = JavaVersion.VERSION_17
     }
 
     sourceSets {
@@ -52,3 +53,7 @@ android {
 flutter {
     source '../..'
 }
+
+dependencies {
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.1.4'
+}
diff --git a/backends/carp_webservices/example/android/app/src/main/AndroidManifest.xml b/backends/carp_webservices/example/android/app/src/main/AndroidManifest.xml
@@ -1,14 +1,15 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools">
 
-    <uses-permission android:name="android.permission.INTERNET"/>
+  <uses-permission android:name="android.permission.INTERNET" />
+  <uses-permission android:name="android.permission.CAMERA" />
 
-    <application
-      android:name="${applicationName}"
-      android:label="CAWS Example"
-      android:fullBackupContent="@xml/backup_rules"
-      android:dataExtractionRules="@xml/data_extraction_rules" 
-      android:icon="@mipmap/ic_launcher">
+  <application
+    android:name="${applicationName}"
+    android:label="CAWS Example"
+    android:fullBackupContent="@xml/backup_rules"
+    android:dataExtractionRules="@xml/data_extraction_rules"
+    android:icon="@mipmap/ic_launcher">
 
     <!-- Used by authentication redirect to/from web view -->
     <activity
@@ -63,6 +64,17 @@
       </intent-filter>
     </activity>
 
+    <activity
+      android:name="com.linusu.flutter_web_auth_2.CallbackActivity"
+      android:exported="true">
+      <intent-filter android:label="flutter_web_auth_2">
+        <action android:name="android.intent.action.VIEW" />
+        <category android:name="android.intent.category.DEFAULT" />
+        <category android:name="android.intent.category.BROWSABLE" />
+        <data android:scheme="caws-example-app" android:pathPrefix="/" />
+      </intent-filter>
+    </activity>
+
     <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
     <meta-data
diff --git a/backends/carp_webservices/example/android/gradle/wrapper/gradle-wrapper.properties b/backends/carp_webservices/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
diff --git a/backends/carp_webservices/example/android/settings.gradle b/backends/carp_webservices/example/android/settings.gradle
@@ -17,9 +17,9 @@ pluginManagement {
 }
 
 plugins {
-    id "dev.flutter.flutter-plugin-loader" version "1.0.0"
-    id "com.android.application" version "8.1.0" apply false
-    id "org.jetbrains.kotlin.android" version "1.8.22" apply false
+    id "dev.flutter.flutter-plugin-loader" version "1.0.2"
+    id "com.android.application" version "8.9.0" apply false
+    id "org.jetbrains.kotlin.android" version "2.1.0" apply false
 }
 
 include ":app"
diff --git a/backends/carp_webservices/example/ios/Flutter/AppFrameworkInfo.plist b/backends/carp_webservices/example/ios/Flutter/AppFrameworkInfo.plist
@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>12.0</string>
+  <string>13.0</string>
 </dict>
 </plist>
diff --git a/backends/carp_webservices/example/ios/Podfile b/backends/carp_webservices/example/ios/Podfile
@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '12.0'
+platform :ios, '14.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
@@ -37,6 +37,13 @@ target 'Runner' do
 end
 
 post_install do |installer|
+  installer.generated_projects.each do |project|
+    project.targets.each do |target|
+      target.build_configurations.each do |config|
+          config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '14.0'
+      end
+    end
+  end
   installer.pods_project.targets.each do |target|
     flutter_additional_ios_build_settings(target)
   end
diff --git a/backends/carp_webservices/example/ios/Runner.xcodeproj/project.pbxproj b/backends/carp_webservices/example/ios/Runner.xcodeproj/project.pbxproj
diff --git a/backends/carp_webservices/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/backends/carp_webservices/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
       shouldUseLaunchSchemeArgsEnv = "YES">
       <MacroExpansion>
          <BuildableReference
@@ -54,11 +55,13 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
       debugDocumentVersioning = "YES"
       debugServiceExtension = "internal"
+      enableGPUValidationMode = "1"
       allowLocationSimulation = "YES">
       <BuildableProductRunnable
          runnableDebuggingMode = "0">
diff --git a/backends/carp_webservices/example/ios/Runner/AppDelegate.swift b/backends/carp_webservices/example/ios/Runner/AppDelegate.swift
@@ -1,7 +1,7 @@
 import UIKit
 import Flutter
 
-@UIApplicationMain
+@main
 @objc class AppDelegate: FlutterAppDelegate {
   override func application(
     _ application: UIApplication,
diff --git a/backends/carp_webservices/example/ios/Runner/Info.plist b/backends/carp_webservices/example/ios/Runner/Info.plist
@@ -53,8 +53,12 @@
 				<key>CFBundleURLSchemes</key>
 				<array>
 					<string>dk.cachet.example</string>
+					<string>caws-example-app-auth</string>
+					<string>caws-example-app</string>
 				</array>
 			</dict>
 		</array>
+		<key>NSCameraUsageDescription</key>
+		<string>CARP uses the camera to take pictures and/or videos for some tasks</string>
 	</dict>
 </plist>
diff --git a/backends/carp_webservices/example/lib/main.dart b/backends/carp_webservices/example/lib/main.dart
@@ -1,10 +1,17 @@
-import 'package:carp_mobile_sensing/carp_mobile_sensing.dart';
+library;
+
+import 'dart:io';
 import 'package:flutter/material.dart';
+
+import 'package:carp_mobile_sensing/carp_mobile_sensing.dart';
 import 'package:carp_webservices/carp_services/carp_services.dart';
 import 'package:carp_webservices/carp_auth/carp_auth.dart';
 import 'package:carp_core/carp_core.dart';
+
 import 'package:oidc/oidc.dart';
-import 'package:flutter_appauth/flutter_appauth.dart';
+import 'package:qr_code_scanner_plus/qr_code_scanner_plus.dart' as qr;
+
+part 'qr-scanner.dart';
 
 void main() {
   CarpMobileSensing.ensureInitialized();
@@ -54,14 +61,31 @@ class HomePageState extends State<HomePage> {
               stream: CarpAuthService().manager?.userChanges(),
               builder: (BuildContext context, AsyncSnapshot<OidcUser?> event) {
                 if (!event.hasData) {
-                  return TextButton.icon(
-                    onPressed: () async => bloc.currentUser =
-                        await CarpAuthService().authenticate(),
-                    icon: const Icon(Icons.login),
-                    label: const Text(
-                      'LOGIN',
-                      style: TextStyle(fontSize: 35),
-                    ),
+                  return Column(
+                    children: [
+                      TextButton.icon(
+                        onPressed: () {
+                          showDialog<void>(
+                            context: context,
+                            builder: (context) => QRViewExample(),
+                          );
+                        },
+                        icon: const Icon(Icons.login),
+                        label: const Text(
+                          'SCAN',
+                          style: TextStyle(fontSize: 35),
+                        ),
+                      ),
+                      TextButton.icon(
+                        onPressed: () async => bloc.currentUser =
+                            await CarpAuthService().authenticate(),
+                        icon: const Icon(Icons.login),
+                        label: const Text(
+                          'LOGIN',
+                          style: TextStyle(fontSize: 35),
+                        ),
+                      )
+                    ],
                   );
                 } else {
                   return TextButton.icon(
@@ -89,7 +113,7 @@ class HomePageState extends State<HomePage> {
               padding: const EdgeInsets.fromLTRB(10, 30, 10, 0),
               child: Text(
                 (CarpAuthService().authenticated)
-                    ? 'Authenticated as ${CarpAuthService().currentUser.firstName} ${CarpAuthService().currentUser.lastName}'
+                    ? 'Authenticated as ${CarpAuthService().currentUser.username} ${CarpAuthService().currentUser.firstName} ${CarpAuthService().currentUser.lastName}'
                     : 'Not authenticated',
                 textAlign: TextAlign.center,
               ),
@@ -118,8 +142,9 @@ class AppBLoC {
   // The authentication configuration
   late CarpAuthProperties authProperties = CarpAuthProperties(
     authURL: uri,
-    clientId: 'studies-app',
-    redirectURI: Uri.parse('carp-studies-auth://auth'),
+    clientId: 'caws-example-app',
+    redirectURI: Uri.parse('caws-example-app-auth://auth'),
+    anonymousRedirectURI: Uri.parse('caws-example-app:/anonymous'),
     // For authentication at CAWS the path is '/auth/realms/Carp'
     discoveryURL: uri.replace(pathSegments: [
       'auth',
diff --git a/backends/carp_webservices/example/lib/qr-scanner.dart b/backends/carp_webservices/example/lib/qr-scanner.dart
@@ -0,0 +1,136 @@
+part of 'main.dart';
+
+class QRViewExample extends StatefulWidget {
+  const QRViewExample({super.key});
+
+  @override
+  State<StatefulWidget> createState() => _QRViewExampleState();
+}
+
+class _QRViewExampleState extends State<QRViewExample> {
+  qr.Barcode? result;
+  qr.QRViewController? controller;
+  final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
+
+  // In order to get hot reload to work we need to pause the camera if the platform
+  // is android, or resume the camera if the platform is iOS.
+  @override
+  void reassemble() {
+    super.reassemble();
+    if (Platform.isAndroid) {
+      controller!.pauseCamera();
+    }
+    controller!.resumeCamera();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: SafeArea(
+        child: Column(
+          children: <Widget>[
+            Expanded(flex: 4, child: _buildQrView(context)),
+            Expanded(
+              flex: 1,
+              child: FittedBox(
+                fit: BoxFit.contain,
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                  children: <Widget>[
+                    Row(
+                      mainAxisAlignment: MainAxisAlignment.center,
+                      crossAxisAlignment: CrossAxisAlignment.center,
+                      children: <Widget>[
+                        Container(
+                          margin: const EdgeInsets.all(8),
+                          height: 30,
+                          child: ElevatedButton(
+                              onPressed: () async {
+                                await controller?.flipCamera();
+                                setState(() {});
+                              },
+                              child: FutureBuilder(
+                                future: controller?.getCameraInfo(),
+                                builder: (context, snapshot) {
+                                  if (snapshot.data != null) {
+                                    return Icon(Icons.cameraswitch);
+                                  } else {
+                                    return const Text('loading');
+                                  }
+                                },
+                              )),
+                        ),
+                        Container(
+                          margin: const EdgeInsets.all(8),
+                          height: 30,
+                          child: ElevatedButton(
+                            onPressed: () {
+                              Navigator.of(context).pop();
+                            },
+                            child: const Icon(Icons.close),
+                          ),
+                        ),
+                      ],
+                    ),
+                  ],
+                ),
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildQrView(BuildContext context) {
+    // For this example we check how width or tall the device is and change the scanArea and overlay accordingly.
+    var scanArea = (MediaQuery.of(context).size.width < 400 ||
+            MediaQuery.of(context).size.height < 400)
+        ? 150.0
+        : 300.0;
+    // To ensure the Scanner view is properly sizes after rotation
+    // we need to listen for Flutter SizeChanged notification and update controller
+    return qr.QRView(
+      key: qrKey,
+      onQRViewCreated: _onQRViewCreated,
+      overlay: qr.QrScannerOverlayShape(
+          borderColor: Colors.red,
+          borderRadius: 10,
+          borderLength: 30,
+          borderWidth: 10,
+          cutOutSize: scanArea),
+      onPermissionSet: (ctrl, p) => _onPermissionSet(context, ctrl, p),
+    );
+  }
+
+  void _onQRViewCreated(qr.QRViewController controller) {
+    setState(() {
+      this.controller = controller;
+    });
+    controller.scannedDataStream.listen((scanData) async {
+      await controller.pauseCamera();
+      if (result != null) return;
+      setState(() {
+        result = scanData;
+      });
+
+      final qrcode = scanData.code;
+
+      if (qrcode != null && Uri.tryParse(qrcode)?.hasAbsolutePath == true) {
+        bloc.currentUser =
+            await CarpAuthService().authenticateWithMagicLink(qrcode).then((_) {
+          Navigator.of(context).pop();
+        });
+      }
+    });
+  }
+
+  void _onPermissionSet(
+      BuildContext context, qr.QRViewController ctrl, bool p) {
+    if (!p) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('no Permission')),
+      );
+    }
+  }
+}
diff --git a/backends/carp_webservices/example/pubspec.yaml b/backends/carp_webservices/example/pubspec.yaml
@@ -4,15 +4,16 @@ homepage: https://github.com/cph-cachet/carp.sensing-flutter
 publish_to: none
 
 environment:
-  sdk: ">=3.3.0 <4.0.0"
-  flutter: ">=3.19.0"
+  sdk: ">=3.2.0 <4.0.0"
+  flutter: ">=3.16.0"
 
 dependencies:
   flutter:
     sdk: flutter
   
-  carp_core: ^1.8.0
-  carp_mobile_sensing: ^1.11.0
+  carp_core: ^1.9.0
+  carp_mobile_sensing: ^1.13.0
+  qr_code_scanner_plus: ^2.0.12
 
   # carp_core:
   #   path: ../../../carp_core
diff --git a/backends/carp_webservices/pubspec.yaml b/backends/carp_webservices/pubspec.yaml

Original file line number	Diff line number	Diff line change
`@@ -17,9 +17,9 @@ pluginManagement {`
`17`	`17`	`}`
`18`	`18`
`19`	`19`	`plugins {`
`20`		`- id "dev.flutter.flutter-plugin-loader" version "1.0.0"`
`21`		`- id "com.android.application" version "8.1.0" apply false`
`22`		`- id "org.jetbrains.kotlin.android" version "1.8.22" apply false`
	`20`	`+ id "dev.flutter.flutter-plugin-loader" version "1.0.2"`
	`21`	`+ id "com.android.application" version "8.9.0" apply false`
	`22`	`+ id "org.jetbrains.kotlin.android" version "2.1.0" apply false`
`23`	`23`	`}`
`24`	`24`
`25`	`25`	`include ":app"`