Merge remote-tracking branch 'origin/wxr4' into dev-tzy

tzy

2021-06-09 884b594a7171a496609299c9c535e04c32316bb8

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };