Don't use the main thread for networking

src/Essentials/src/Connectivity/Connectivity.uwp.cs

@@ -1,7 +1,7 @@
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
-using Microsoft.Maui.ApplicationModel;
 using Windows.Networking.Connectivity;
 
 namespace Microsoft.Maui.Networking
@@ -21,10 +21,18 @@ public NetworkAccess NetworkAccess
 		{
 			get
 			{
-				return
-					MainThread.IsMainThread ?
-					GetNetworkAccess() :
-					MainThread.InvokeOnMainThreadAsync(GetNetworkAccess).GetAwaiter().GetResult();
+				var profile = NetworkInformation.GetInternetConnectionProfile();
+				if (profile == null)
+					return NetworkAccess.Unknown;
+
+				var level = profile.GetNetworkConnectivityLevel();
+				return level switch
+				{
+					NetworkConnectivityLevel.LocalAccess => NetworkAccess.Local,
+					NetworkConnectivityLevel.InternetAccess => NetworkAccess.Internet,
+					NetworkConnectivityLevel.ConstrainedInternetAccess => NetworkAccess.ConstrainedInternet,
+					_ => NetworkAccess.None,
+				};
 			}
 		}
 
@@ -62,7 +70,7 @@ public IEnumerable<ConnectionProfile> ConnectionProfiles
 								continue;
 						}
 					}
-					catch (global::System.Exception ex)
+					catch (Exception ex)
 					{
 						Debug.WriteLine($"Unable to get Network Adapter, returning Unknown: {ex.Message}");
 					}
@@ -71,34 +79,5 @@ public IEnumerable<ConnectionProfile> ConnectionProfiles
 				}
 			}
 		}
-
-		NetworkAccess GetNetworkAccess()
-		{
-			try
-			{
-				var profile = NetworkInformation.GetInternetConnectionProfile();
-
-				if (profile == null)
-					return NetworkAccess.Unknown;
-
-				var level = profile.GetNetworkConnectivityLevel();
-
-				switch (level)
-				{
-					case NetworkConnectivityLevel.LocalAccess:
-						return NetworkAccess.Local;
-					case NetworkConnectivityLevel.InternetAccess:
-						return NetworkAccess.Internet;
-					case NetworkConnectivityLevel.ConstrainedInternetAccess:
-						return NetworkAccess.ConstrainedInternet;
-					default:
-						return NetworkAccess.None;
-				}
-			}
-			catch
-			{
-				return NetworkAccess.Unknown;
-			}
-		}
 	}
-}
+}

src/Essentials/test/DeviceTests/Tests/Connectivity_Tests.cs

@@ -1,4 +1,5 @@
 using System.Linq;
+using System.Threading.Tasks;
 using Microsoft.Maui.Networking;
 using Xunit;
 
@@ -21,5 +22,15 @@ public void Distict_Connection_Profiles()
 			var profiles = Connectivity.ConnectionProfiles;
 			Assert.Equal(profiles.Count(), profiles.Distinct().Count());
 		}
+
+		[Fact]
+		public async Task Test()
+		{
+			var current = Connectivity.Current.NetworkAccess;
+
+			var thread = await Task.Run(() => Connectivity.Current.NetworkAccess);
+
+			Assert.Equal(current, thread);
+		}
 	}
 }