Merge branch 'tzy2' into wxr6

wxr

2021-06-09 ffdeae1a43e1539f9533f93d64089994db6c742b

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };