增加了安防相关功能

wxr

2021-11-29 dd7e4794fd611de967c6322dd0bb7ffda41c2f7b

 HDL-ON_iOS/Scan.cs

@@ -35,7 +35,6 @@
                var bOn = false;
                mZXingOverlayView.OnCancel += () =>
                {

                    scanner?.Cancel();
                };