PlatformUtils.OpenUrl fix for Android (#286)

Author: Mateusz-Nejman

Pixed.Android/PlatformSettings.cs

@@ -1,8 +1,11 @@
-using Android.Content.PM;
+using Android.Content;
+using Android.Content.PM;
 using Android.Content.Res;
+using Android.Net;
 using Android.OS;
 using Avalonia.Controls.ApplicationLifetimes;
 using Pixed.Application.Platform;
+using Uri = Android.Net.Uri;
 namespace Pixed.Android;
 internal class PlatformSettings : IPlatformSettings
 {
@@ -23,6 +26,13 @@ public string GetVersion()
         return info.VersionName;
     }
 
+    public void OpenUrl(string url)
+    {
+        Intent intent = new(Intent.ActionView, Uri.Parse(url));
+
+        MainActivity.StartActivity(intent);
+    }
+
     public void ProcessMinimumScreenSize(int minScreenSize)
     {
         var system = Resources.System;

Pixed.Application/Menu/MenuBuilder.cs

@@ -59,7 +59,7 @@ public async Task Build(bool clear = true)
 
         MenuItem onlineHelpMenu = new("Online help")
         {
-            Command = new ActionCommand<string>(PlatformUtils.OpenUrl),
+            Command = new ActionCommand<string>(IPlatformSettings.Instance.OpenUrl),
             CommandParameter = "https://github.com/Mateusz-Nejman/Pixed/wiki",
             Icon = new("avares://Pixed.Application/Resources/fluent-icons/ic_fluent_globe_48_regular.svg")
         };

Pixed.Application/Platform/DefaultPlatformSettings.cs

@@ -25,6 +25,16 @@ public string GetVersion()
         return versionInfo.FileVersion;
     }
 
+    public void OpenUrl(string url)
+    {
+        var psi = new ProcessStartInfo
+        {
+            FileName = url,
+            UseShellExecute = true
+        };
+        Process.Start(psi);
+    }
+
     public void ProcessMinimumScreenSize(int minScreenSize)
     {
         //Not used

Pixed.Application/Platform/IPlatformSettings.cs

@@ -11,4 +11,5 @@ public interface IPlatformSettings
     public void Close();
     public string GetVersion();
     public void ProcessMinimumScreenSize(int minScreenSize);
+    public void OpenUrl(string url);
 }

Pixed.Application/Utils/PlatformUtils.cs

@@ -1,6 +1,5 @@
 using Pixed.Application.Controls;
 using Pixed.Application.Platform;
-using Pixed.Application.Utils;
 using Pixed.Core;
 using System.Windows.Input;
 
@@ -11,7 +10,7 @@ internal class AboutViewModel : ExtendedViewModel
     public string AppVersion { get; }
     public AboutViewModel()
     {
-        OpenUrlCommand = new ActionCommand<string>(PlatformUtils.OpenUrl);
+        OpenUrlCommand = new ActionCommand<string>(IPlatformSettings.Instance.OpenUrl);
         AppVersion = "Version: " + GetVersion();
     }