[packages] Add qr_flutter

example/lib/packages/qr_flutter/page.dart

@@ -9,6 +9,7 @@ import 'package:flutter_example_packages/widgets/base/export.dart';
 import 'package:flutter_example_packages/widgets/blocks/block_info_package.dart';
 import 'package:flutter_example_packages/widgets/layouts/block_layout.dart';
 import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:qr_flutter/qr_flutter.dart';
 
 import 'model.dart';
 import 'package.dart';
@@ -42,6 +43,13 @@ class _QrFlutterPageState extends AppState<QrFlutterPage> {
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 BlockInfoPackage(widget.package),
+                Center(
+                  child: QrImage(
+                    data: '1234567890',
+                    version: QrVersions.auto,
+                    size: 200.0,
+                  ),
+                )
               ],
             ),
           ),