Merge branch 'tzy2' into newBranch1

wxr

2021-07-01 3861152ee23bfc0724579299b6be188f5f16b192

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };