Merge branch 'CJL' into wxr4

wxr

2021-05-12 9acd3887f1f8db40d59f991b1726a61aa7c7637c

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };