initial commit, iOS network native library

Network/Platforms/iOS/Tasks/StringTask.cs

@@ -0,0 +1,26 @@
+using Foundation;
+
+namespace Blahblah.Library.Network;
+
+public class StringTask : ContentTask<string, string>
+{
+    public StringHandler? Process { get; set; }
+
+    public StringTask(string url, TaskCompletionSource<NetworkResult<string>> source, CancellationToken token) : base(url, source, token)
+    {
+    }
+
+    protected override string? Completed(NSHttpUrlResponse? response)
+    {
+        if (Data == null)
+        {
+            return null;
+        }
+        string s = NSString.FromData(Data, NSStringEncoding.UTF8);
+        if (Process == null)
+        {
+            return s;
+        }
+        return Process(s);
+    }
+}