replace webview plugin with inappwebview plugin to check camera permission once in app

android/app/src/main/AndroidManifestBase.xml

@@ -6,6 +6,7 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_INTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
+    <uses-permission android:name="android.permission.CAMERA" />
 
     <application
         android:name=".Application"
@@ -43,6 +44,15 @@
         <meta-data
                 android:name="flutterEmbedding"
                 android:value="2" />
+        <provider
+            android:name="com.pichillilorenzo.flutter_inappwebview.InAppWebViewFileProvider"
+            android:authorities="${applicationId}.flutter_inappwebview.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths" />
+        </provider>
     </application>
     
     <queries>

lib/main.dart

@@ -11,6 +11,7 @@ import 'package:flutter/services.dart';
 import 'package:hive/hive.dart';
 import 'package:cake_wallet/di.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
@@ -44,7 +45,7 @@ final rootKey = GlobalKey<RootState>();
 Future<void> main() async {
   try {
     WidgetsFlutterBinding.ensureInitialized();
-
+    await Permission.camera.request();
     final appDir = await getApplicationDocumentsDirectory();
     await Hive.close();
     Hive.init(appDir.path);

lib/src/screens/buy/buy_webview_page.dart

@@ -9,11 +9,10 @@ import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/store/dashboard/orders_store.dart';
 import 'package:cake_wallet/view_model/buy/buy_view_model.dart';
 import 'package:flutter/material.dart';
-import 'package:webview_flutter/webview_flutter.dart';
+import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 
 class BuyWebViewPage extends BasePage {
-  BuyWebViewPage({required this.buyViewModel,
-      required this.ordersStore, required this.url});
+  BuyWebViewPage({required this.buyViewModel, required this.ordersStore, required this.url});
 
   final OrdersStore ordersStore;
   final String url;
@@ -46,12 +45,12 @@ class BuyWebViewPageBody extends StatefulWidget {
 
 class BuyWebViewPageBodyState extends State<BuyWebViewPageBody> {
   BuyWebViewPageBodyState()
-    : _webViewkey = GlobalKey(),
-      _isSaving = false,
-      orderId = '';
+      : _webViewkey = GlobalKey(),
+        _isSaving = false,
+        orderId = '';
 
   String orderId;
-  WebViewController? _webViewController;
+  InAppWebViewController? _webViewController;
   GlobalKey _webViewkey;
   Timer? _timer;
   bool _isSaving;
@@ -63,8 +62,6 @@ class BuyWebViewPageBodyState extends State<BuyWebViewPageBody> {
     _isSaving = false;
     widget.ordersStore.orderId = '';
 
-    if (Platform.isAndroid) WebView.platform = SurfaceAndroidWebView();
-
     if (widget.buyViewModel.selectedProvider is WyreBuyProvider) {
       _saveOrder(keyword: 'completed', splitSymbol: '/');
     }
@@ -76,31 +73,29 @@ class BuyWebViewPageBodyState extends State<BuyWebViewPageBody> {
 
   @override
   Widget build(BuildContext context) {
-    return WebView(
+    return InAppWebView(
         key: _webViewkey,
-        initialUrl: widget.url,
-        javascriptMode: JavascriptMode.unrestricted,
-        onWebViewCreated: (WebViewController controller) =>
+        initialUrlRequest: URLRequest(url: Uri.tryParse(widget.url ?? '')),
+        onWebViewCreated: (InAppWebViewController controller) =>
             setState(() => _webViewController = controller));
   }
 
   void _saveOrder({required String keyword, required String splitSymbol}) {
     _timer?.cancel();
     _timer = Timer.periodic(Duration(seconds: 1), (timer) async {
-
       try {
         if (_webViewController == null || _isSaving) {
           return;
         }
 
-        final url = await _webViewController!.currentUrl();
-
+        final url = await _webViewController!.getUrl();
+        final urlString = url.toString();
         if (url == null) {
           throw Exception('_saveOrder: Url is null');
         }
 
-        if (url!.contains(keyword)) {
-          final urlParts = url!.split(splitSymbol);
+        if (urlString.toString().contains(keyword)) {
+          final urlParts = urlString.split(splitSymbol);
           orderId = urlParts.last;
           widget.ordersStore.orderId = orderId;
 

pubspec_base.yaml

@@ -38,7 +38,7 @@ dependencies:
   auto_size_text: ^3.0.0
   dotted_border: ^2.0.0+2
   smooth_page_indicator: ^1.0.0+2
-  webview_flutter: ^3.0.4
+  flutter_inappwebview: ^5.7.2+3
   flutter_spinkit: ^5.1.0
   uni_links: ^0.5.1
   lottie: ^1.3.0