更新扫描插件

wxr

2022-01-12 1b40f1180fa2f7b9e4f6ded651cf66699c7e5db7

 HDL-ON_iOS/Scan.cs

@@ -8,13 +8,27 @@
    public class Scan
    {

        public static string TipMsg = "";
        public string TipMsg = "";
        public Scan()
        {
        }
        private static Scan ins;

        public static Scan Ins
        {
            get
            {
                if (ins == null)
                {
                    ins = new Scan();
                }
                return ins;
            }

        }

        static MobileBarcodeScanner scanner;
        public static async void OpenScan(Action<string> action)
        public async void OpenScan(Action<string> action)
        {
            string cancel = "取消";
            string flashText = "";