Fix Roomplan being buggy when zoomed

lib/screen/pages/more/roomplan/roomplan.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:photo_view/photo_view.dart';
 
 class Roomplan extends StatelessWidget {
   const Roomplan({Key? key}) : super(key: key);
@@ -8,16 +9,15 @@ class Roomplan extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text("Raumplan"),
+        title: const Text("Raumplan"),
       ),
       backgroundColor: Colors.white,
-      body: InteractiveViewer(
-        panEnabled: true,
-        alignment: Alignment.center,
-        minScale: 0.8,
-        maxScale: 2,
-        child: Image.asset("assets/img/raumplan.jpg")
-      ),
+      body: PhotoView(
+        imageProvider: Image.asset("assets/img/raumplan.jpg").image,
+        minScale: 0.5,
+        maxScale: 2.0,
+        backgroundDecoration: const BoxDecoration(color: Colors.white60),
+      )
     );
   }
 }

pubspec.yaml

@@ -79,6 +79,7 @@ dependencies:
   async: ^2.11.0
   animated_digit: ^3.2.1
   syncfusion_flutter_pdfviewer: ^21.2.8
+  photo_view: ^0.14.0
 
 dev_dependencies:
   flutter_test: