2021-07-08 1.增加注释

JLChen

2021-07-08 a9a4e7c5928a0b7031e7104eeeb960059f26f5c0

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };