chore: change qr implementation

lib/components/qr_dialog.dart

@@ -1,14 +1,38 @@
-import 'package:cached_network_image/cached_network_image.dart';
-import 'package:dio/dio.dart';
-import 'package:flutter/foundation.dart';
+import 'dart:io';
 import 'package:flutter/material.dart';
-import 'package:kzlinks/utils/fetcher.dart';
 import 'package:share_plus/share_plus.dart';
+import 'package:qr_flutter/qr_flutter.dart';
+import 'package:path_provider/path_provider.dart';
 
 Future<void> showQRDialog(BuildContext context, String shortCode) async {
   final kzillaUrl = 'https://kzilla.xyz/$shortCode';
-  final imageUrl =
-      'https://chart.googleapis.com/chart?cht=qr&chs=500x500&chl=$kzillaUrl';
+  // final imageUrl =
+  //     'https://chart.googleapis.com/chart?cht=qr&chs=500x500&chl=$kzillaUrl';
+
+  Future _shareQRImage() async {
+    final image = await QrPainter(
+      data: kzillaUrl,
+      version: QrVersions.auto,
+      gapless: true,
+      color: Colors.black,
+      emptyColor: Colors.white,
+    ).toImageData(200.0); // Generate QR code image data
+
+    final filename = 'qr_code.png';
+    final tempDir =
+        await getTemporaryDirectory(); // Get temporary directory to store the generated image
+    final file = await File('${tempDir.path}/$filename')
+        .create(); // Create a file to store the generated image
+    var bytes = image!.buffer.asUint8List(); // Get the image bytes
+    await file.writeAsBytes(bytes); // Write the image bytes to the file
+    final path = await Share.shareFiles([file.path],
+        text: 'QR code for ${kzillaUrl} generated with ❤️ by SRMKZILLA',
+        subject: 'QR Code',
+        mimeTypes: [
+          'image/png'
+        ]); // Share the generated image using the share_plus package
+    //print('QR code shared to: $path');
+  }
 
   await showDialog(
     context: context,
@@ -37,34 +61,21 @@ Future<void> showQRDialog(BuildContext context, String shortCode) async {
               ),
               const SizedBox(height: 20),
               Container(
-                decoration: BoxDecoration(
-                  borderRadius: BorderRadius.circular(16),
-                  border: Border.all(
-                    color: Colors.grey.shade300,
-                    width: 2,
-                  ),
-                ),
-                child: ClipRRect(
-                  borderRadius: BorderRadius.circular(16),
-                  child: CachedNetworkImage(
-                    imageUrl: imageUrl,
-                    height: 250,
-                    width: 250,
-                    placeholder: (context, url) => const Center(
-                      child: Text(
-                        'Loading QR Code...',
-                        style: TextStyle(
-                          fontSize: 16,
-                          fontWeight: FontWeight.w600,
-                        ),
-                      ),
-                    ),
-                    errorWidget: (context, url, error) => const Center(
-                      child: Icon(Icons.error),
+                  decoration: BoxDecoration(
+                    borderRadius: BorderRadius.circular(16),
+                    border: Border.all(
+                      color: Colors.grey.shade300,
+                      width: 2,
                     ),
                   ),
-                ),
-              ),
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(16),
+                    child: QrImageView(
+                      data: kzillaUrl,
+                      version: QrVersions.auto,
+                      size: 250,
+                    ),
+                  )),
               const SizedBox(height: 20),
               const SizedBox(width: 10),
               SizedBox(
@@ -73,21 +84,7 @@ Future<void> showQRDialog(BuildContext context, String shortCode) async {
                 child: FilledButton(
                   onPressed: () async {
                     try {
-                      final response = await dio.get(
-                        imageUrl,
-                        options: Options(responseType: ResponseType.bytes),
-                      );
-                      await Share.shareXFiles(
-                        [
-                          XFile.fromData(
-                            response.data as Uint8List,
-                            name: 'qr_code_$shortCode.jpeg',
-                            mimeType: 'image/jpeg',
-                          ),
-                        ],
-                        text:
-                            'QR code for $kzillaUrl generated with ❤️ by SRMKZILLA',
-                      );
+                      _shareQRImage();
                     } catch (e) {
                       debugPrint(e.toString());
                       ScaffoldMessenger.of(context).showSnackBar(

pubspec.lock

@@ -424,6 +424,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.7.3"
+  qr:
+    dependency: transitive
+    description:
+      name: qr
+      sha256: "64957a3930367bf97cc211a5af99551d630f2f4625e38af10edd6b19131b64b3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  qr_flutter:
+    dependency: "direct main"
+    description:
+      name: qr_flutter
+      sha256: "5095f0fc6e3f71d08adef8feccc8cea4f12eec18a2e31c2e8d82cb6019f4b097"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.0"
   rxdart:
     dependency: transitive
     description:
@@ -432,6 +448,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.27.7"
+  screenshot:
+    dependency: "direct main"
+    description:
+      name: screenshot
+      sha256: "455284ff1f5b911d94a43c25e1385485cf6b4f288293eba68f15dad711c7b81c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   share_plus:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -41,6 +41,8 @@ dependencies:
   share_plus: ^7.1.0
   jpeg_encode: ^1.0.1
   cached_network_image: ^3.3.1
+  qr_flutter: ^4.1.0
+  screenshot: ^2.1.0
 
 dev_dependencies: