2021-02-01 1.增加丰林可视对讲测试

JLChen

2021-02-02 304d1e671c69d677189aa2513ccd6de7b1d786a4

 HDL-ON_iOS/Scan.cs

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

                    scanner?.Cancel();
                };