Test

src/chdTour.App/MainPage.xaml.cs

@@ -22,7 +22,13 @@ public MainPage()
                 // do something if error appears
             }
         }
-
+        protected override async void OnAppearing()
+        {
+            base.OnAppearing();
+#if ANDROID
+            await this.CheckPermissions();
+#endif
+        }
 
         private partial void BlazorWebViewInitializing(object? sender, BlazorWebViewInitializingEventArgs e);
         private partial void BlazorWebViewInitialized(object? sender, BlazorWebViewInitializedEventArgs e);
@@ -51,6 +57,15 @@ private partial void BlazorWebViewInitializing(object? sender, BlazorWebViewInit
         {
         }
 
+        private async Task CheckPermissions()
+        {
+
+#if ANDROID
+            PermissionStatus statusNotification = await Permissions.RequestAsync<PermissionValidator>();
+#endif
+        }
+
+
         private partial void BlazorWebViewInitialized(object? sender, BlazorWebViewInitializedEventArgs e)
         {
             try

src/chdTour.App/Platforms/Android/PermissionValidator.cs

@@ -0,0 +1,28 @@
+using Android;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace chdTour.App.Platforms.Android
+{
+    public class PermissionValidator : Permissions.BasePlatformPermission
+    {
+        public override (string androidPermission, bool isRuntime)[] RequiredPermissions
+        {
+            get
+            {
+                var result = new List<(string androidPermission, bool isRuntime)>();
+                if (OperatingSystem.IsAndroidVersionAtLeast(33))
+                {
+                    result.Add((Manifest.Permission.ReadExternalStorage, true));
+                    result.Add((Manifest.Permission.WriteExternalStorage, true));
+                    result.Add((Manifest.Permission.MediaContentControl, true));
+                    result.Add((Manifest.Permission.PostNotifications, true));
+                }
+                return result.ToArray();
+            }
+        }
+    }
+}