download, decrypt and open attachment files

src/iOS/Services/DeviceActionService.cs

@@ -0,0 +1,20 @@
+using System;
+using Bit.App.Abstractions;
+using UIKit;
+
+namespace Bit.iOS.Services
+{
+    public class DeviceActionService : IDeviceActionService
+    {
+        public void CopyToClipboard(string text)
+        {
+            UIPasteboard clipboard = UIPasteboard.General;
+            clipboard.String = text;
+        }
+
+        public bool OpenFile(byte[] fileData, string id, string fileName)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}