chore: Migrate to mobile scanner

This fixes qr code scanner on iOS and
also adds QR Code scanner support
to macOS and web.

lib/pages/new_private_chat/new_private_chat.dart

@@ -8,6 +8,7 @@ import 'package:permission_handler/permission_handler.dart';
 import 'package:fluffychat/pages/new_private_chat/new_private_chat_view.dart';
 import 'package:fluffychat/pages/new_private_chat/qr_scanner_modal.dart';
 import 'package:fluffychat/utils/fluffy_share.dart';
+import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:fluffychat/utils/url_launcher.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 
@@ -28,6 +29,9 @@ class NewPrivateChatController extends State<NewPrivateChat> {
 
   bool get hideFab => _hideFab;
 
+  bool get scanningSupported =>
+      PlatformInfos.isMobile || PlatformInfos.isWeb || PlatformInfos.isMacOS;
+
   static const Set<String> supportedSigils = {'@', '!', '#'};
 
   static const String prefix = 'https://matrix.to/#/';
@@ -76,16 +80,18 @@ class NewPrivateChatController extends State<NewPrivateChat> {
       );
 
   void openScannerAction() async {
-    final info = await DeviceInfoPlugin().androidInfo;
-    if ((info.version.sdkInt ?? 16) < 21) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text(
-            L10n.of(context)!.unsupportedAndroidVersionLong,
+    if (PlatformInfos.isAndroid) {
+      final info = await DeviceInfoPlugin().androidInfo;
+      if ((info.version.sdkInt ?? 16) < 21) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(
+              L10n.of(context)!.unsupportedAndroidVersionLong,
+            ),
           ),
-        ),
-      );
-      return;
+        );
+        return;
+      }
     }
     await Permission.camera.request();
     await showModalBottomSheet(

lib/pages/new_private_chat/new_private_chat_view.dart

@@ -8,7 +8,6 @@ import 'package:vrouter/vrouter.dart';
 
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/pages/new_private_chat/new_private_chat.dart';
-import 'package:fluffychat/utils/platform_infos.dart';
 import 'package:fluffychat/widgets/layouts/max_width_body.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 
@@ -102,7 +101,7 @@ class NewPrivateChatView extends StatelessWidget {
           ],
         ),
       ),
-      floatingActionButton: PlatformInfos.isMobile && !controller.hideFab
+      floatingActionButton: controller.scanningSupported && !controller.hideFab
           ? FloatingActionButton.extended(
               onPressed: controller.openScannerAction,
               label: Text(L10n.of(context)!.scanQrCode),

lib/pages/new_private_chat/qr_scanner_modal.dart

@@ -1,10 +1,7 @@
-import 'dart:async';
-import 'dart:io';
-
 import 'package:flutter/material.dart';
 
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:qr_code_scanner/qr_code_scanner.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
 
 import 'package:fluffychat/utils/url_launcher.dart';
 
@@ -16,19 +13,6 @@ class QrScannerModal extends StatefulWidget {
 }
 
 class _QrScannerModalState extends State<QrScannerModal> {
-  final GlobalKey qrKey = GlobalKey(debugLabel: 'QR');
-  QRViewController? controller;
-
-  @override
-  void reassemble() {
-    super.reassemble();
-    if (Platform.isAndroid) {
-      controller!.pauseCamera();
-    } else if (Platform.isIOS) {
-      controller!.resumeCamera();
-    }
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -40,36 +24,15 @@ class _QrScannerModalState extends State<QrScannerModal> {
         ),
         title: Text(L10n.of(context)!.scanQrCode),
       ),
-      body: Stack(
-        children: [
-          QRView(
-            key: qrKey,
-            onQRViewCreated: _onQRViewCreated,
-            overlay: QrScannerOverlayShape(
-              borderColor: Theme.of(context).primaryColor,
-              borderRadius: 10,
-              borderLength: 30,
-              borderWidth: 8,
-            ),
-          ),
-        ],
+      body: MobileScanner(
+        controller: MobileScannerController(),
+        onDetect: _onDetect,
       ),
     );
   }
 
-  void _onQRViewCreated(QRViewController controller) {
-    this.controller = controller;
-    late StreamSubscription sub;
-    sub = controller.scannedDataStream.listen((scanData) {
-      sub.cancel();
-      Navigator.of(context).pop();
-      UrlLauncher(context, scanData.code).openMatrixToUrl();
-    });
-  }
-
-  @override
-  void dispose() {
-    controller?.dispose();
-    super.dispose();
+  void _onDetect(Barcode barcode, MobileScannerArguments? args) {
+    Navigator.of(context).pop();
+    UrlLauncher(context, barcode.rawValue).openMatrixToUrl();
   }
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -18,6 +18,7 @@ import flutter_web_auth
 import flutter_webrtc
 import geolocator_apple
 import just_audio
+import mobile_scanner
 import package_info
 import package_info_plus_macos
 import path_provider_macos
@@ -41,6 +42,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FlutterWebRTCPlugin.register(with: registry.registrar(forPlugin: "FlutterWebRTCPlugin"))
   GeolocatorPlugin.register(with: registry.registrar(forPlugin: "GeolocatorPlugin"))
   JustAudioPlugin.register(with: registry.registrar(forPlugin: "JustAudioPlugin"))
+  MobileScannerPlugin.register(with: registry.registrar(forPlugin: "MobileScannerPlugin"))
   FLTPackageInfoPlugin.register(with: registry.registrar(forPlugin: "FLTPackageInfoPlugin"))
   FLTPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FLTPackageInfoPlusPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))

pubspec.lock

@@ -1012,6 +1012,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.1"
+  mobile_scanner:
+    dependency: "direct main"
+    description:
+      name: mobile_scanner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   move_to_background:
     dependency: transitive
     description:
@@ -1320,13 +1327,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
-  qr_code_scanner:
-    dependency: "direct main"
-    description:
-      name: qr_code_scanner
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.7.0"
   qr_flutter:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -59,6 +59,7 @@ dependencies:
   lottie: ^1.2.2
   matrix: ^0.8.14
   matrix_link_text: ^1.0.2
+  mobile_scanner: ^1.0.0
   open_noti_settings: ^0.4.0
   package_info_plus: ^1.3.0
   path_provider: ^2.0.9
@@ -66,7 +67,6 @@ dependencies:
   pin_code_text_field: ^1.8.0
   provider: ^6.0.2
   punycode: ^1.0.0
-  qr_code_scanner: ^0.7.0
   qr_flutter: ^4.0.0
   receive_sharing_intent: ^1.4.5
   record: ^3.0.2