Address MAUI sample review feedback

Author: niemyjski

samples/Exceptionless.SampleMaui/MauiProgram.cs

@@ -35,8 +35,8 @@ private static ExceptionlessClient CreateExceptionlessClient() {
             config.DefaultData["Platform"] = DeviceInfo.Current.Platform.ToString();
             config.DefaultData["DeviceIdiom"] = DeviceInfo.Current.Idiom.ToString();
             config.SetVersion(AppInfo.Current.VersionString);
-            config.UseFolderStorage(Path.Combine(appDataDirectory, "exceptionless-queue"));
-            config.UseFileLogger(Path.Combine(appDataDirectory, "exceptionless-client.log"), LogLevel.Info);
+            config.UseFolderStorage(Path.Join(appDataDirectory, "exceptionless-queue"));
+            config.UseFileLogger(Path.Join(appDataDirectory, "exceptionless-client.log"), LogLevel.Info);
         });
 
         client.Startup();

samples/Exceptionless.SampleMaui/SampleDogfoodRunner.cs

@@ -17,8 +17,8 @@ public async Task RunIfRequestedAsync() {
             await _sampleEvents.RefreshProjectConfigurationAsync();
             string configValue = _sampleEvents.GetSampleConfigValue();
             string exceptionReferenceId = _sampleEvents.SubmitHandledException();
-            string? logReferenceId = _sampleEvents.SubmitWarningLog();
-            string? featureReferenceId = _sampleEvents.TrackFeatureUsage();
+            string logReferenceId = _sampleEvents.SubmitWarningLog();
+            string featureReferenceId = _sampleEvents.TrackFeatureUsage();
             await _sampleEvents.FlushQueueAsync();
 
             WriteResult(resultPath,
@@ -41,8 +41,10 @@ private static void WriteResult(string? path, params string[] lines) {
         // Autorun should still exercise the client if a platform sandbox rejects the result path.
         try {
             File.WriteAllLines(path, lines);
-        } catch (IOException) {
-        } catch (UnauthorizedAccessException) {
+        } catch (IOException ex) {
+            System.Diagnostics.Debug.WriteLine($"Unable to write Exceptionless MAUI sample dogfood result: {ex}");
+        } catch (UnauthorizedAccessException ex) {
+            System.Diagnostics.Debug.WriteLine($"Unable to write Exceptionless MAUI sample dogfood result: {ex}");
         }
     }
 }

samples/Exceptionless.SampleMaui/SampleEventService.cs

@@ -28,14 +28,24 @@ public string SubmitHandledException() {
         return referenceId;
     }
 
-    public string? SubmitWarningLog() {
-        _exceptionlessClient.SubmitLog("Exceptionless.SampleMaui.MainPage", "MAUI sample warning log.", LogLevel.Warn);
-        return _exceptionlessClient.GetLastReferenceId();
+    public string SubmitWarningLog() {
+        string referenceId = Guid.NewGuid().ToString("N");
+
+        _exceptionlessClient.CreateLog("Exceptionless.SampleMaui.MainPage", "MAUI sample warning log.", LogLevel.Warn)
+            .SetReferenceId(referenceId)
+            .Submit();
+
+        return referenceId;
     }
 
-    public string? TrackFeatureUsage() {
-        _exceptionlessClient.SubmitFeatureUsage("MauiSample.TrackFeature");
-        return _exceptionlessClient.GetLastReferenceId();
+    public string TrackFeatureUsage() {
+        string referenceId = Guid.NewGuid().ToString("N");
+
+        _exceptionlessClient.CreateFeatureUsage("MauiSample.TrackFeature")
+            .SetReferenceId(referenceId)
+            .Submit();
+
+        return referenceId;
     }
 
     public async Task RefreshProjectConfigurationAsync() {