public static void UnregisterScannerActivity()
{
try
{
ElContext?.UnregisterReceiver(Receiver);
}
catch { }
AfterReceive?.GetInvocationList().ToList().ForEach(x => AfterReceive -= (EventHandler <ReceiveEventArgs>)x);
BeforeReceive?.GetInvocationList().ToList().ForEach(x => BeforeReceive -= (EventHandler)x);
ElContext = null;
ARP = null;
}
public static void RegisterScannerActivity(this Activity context, View rootView = null, bool RegularEvents = false, AfterReceiveProcedure Procedure = null, bool Silent = false)
{
UnregisterScannerActivity();
//register the new activity
ElContext = context;
ElContext.RegisterReceiver(Receiver, Filter);
RootView = rootView;
if (RegularEvents)
{
AfterReceive += Scanner_AfterReceive;
BeforeReceive += Scanner_BeforeReceive;
}
ARP = Procedure;
silent = Silent;
}