Changed thread / added helper for UI based messages on MAIN thread.

RelayClient/MainPage.xaml.cs

@@ -104,6 +104,9 @@ public partial class MainPage : ContentPage
             Console.WriteLine(e.Data);
             return;
         }
+        
+        SafeSendRawToWebView($"[{_username}] RAW WS DATA: {e.Data}");
+
 
         Console.WriteLine($"[{_username}] RAW WS DATA: {e.Data}");
 
@@ -358,9 +361,9 @@ public partial class MainPage : ContentPage
     {
         //TODO: get bool value for if channel ID has an active call
         //TODO: Join RTC using current channel ID
-        hybridWebView.SendRawMessage($"Attempting to join RTC Channel {_currentChannelName}");
+        SafeSendRawToWebView($"Attempting to join RTC Channel {_currentChannelName}");
         bool active = await ServerAPI.GetIsChannelActiveAsync(_currentChannelId);
-        hybridWebView.SendRawMessage($"Rtc Channel {_currentChannelName} is active: {active}");
+        SafeSendRawToWebView($"Rtc Channel {_currentChannelName} is active: {active}");
         return active;
         //await hybridWebView.EvaluateJavaScriptAsync($"window.channelCallJoin({active})");
 
@@ -380,7 +383,7 @@ public partial class MainPage : ContentPage
         }
         catch (Exception ex)
         {
-            hybridWebView.SendRawMessage(ex.Message);
+            SafeSendRawToWebView(ex.Message);
         }
 
     }
@@ -408,7 +411,7 @@ public partial class MainPage : ContentPage
     
     private void OnSendMessageButtonClicked(object sender, EventArgs e)
     {
-        hybridWebView.SendRawMessage($"Hello from C#!");
+        SafeSendRawToWebView($"Hello from C#!");
     }
 
     private async void OnHybridWebViewRawMessageReceived(object sender, HybridWebViewRawMessageReceivedEventArgs e)
@@ -477,4 +480,19 @@ public partial class MainPage : ContentPage
 
         Console.WriteLine($"[{_username}] pushed RTC context into HybridWebView.");
     }
+    
+    private void SafeSendRawToWebView(string message)
+    {
+        MainThread.BeginInvokeOnMainThread(() =>
+        {
+            try
+            {
+                hybridWebView.SendRawMessage(message);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"[{_username}] failed to send raw message to HybridWebView: {ex.Message}");
+            }
+        });
+    }
 }