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forse dico una cavolata. hai inizializato cosi: UDPSocket1.Initialize("UDP", 6454, 128)' UDPSocket2.Initialize("UDP", 5568, 128)' prova invece cosi: UDPSocket1.Initialize("UDP1", 6454, 128)' UDPSocket2.Initialize("UDP2", 5568, 128)' e poi se due sub Sub UDP1_PacketArrived (Packet1 As UDPPacket...
link: ) UDPSocket1.Initialize("UDP", 6454, 128)'----attivo il sock udp,porta,size Sub...

thanks Erel, i will implement UDPSocket.Initialize2...
link: You can catch this error with Try / Catch. Another option is to call UDPSocket.Initialize2 and...
link: .b4a.objects.SocketWrapper$UDPSocket.Initialize(SocketWrapper.java:352) at b4j.example.main...

) Activity.Title = "UDP" LETTURA="" UDPSocket1.Initialize("UDP", 9000, 1024) UDP_Send(UDPSocket1, "testo", 192.168.1.10, 9000) ' qui dovrei...("UTF8") Dim myIp As String =UDPSocket1.GetBroadcastAddress Packet.Initialize..." UDPSocket1.Initialize("UDP", 9000, 1024) UDP_Send(UDPSocket1, "testo... Process_Globals Dim UDPSocket1 As UDPSocket End Sub Sub Globals Private LETTURA As String End...

't know is the following code is correct in AppStart: UDPSocket1.Initialize("UDP", 5100... b4j log, but UDPSocket1.Initialize("UDP", 5100, 8000) in AppStart ? B4j port is 5000? Arduino is 5100? if yes you shuold UDPSocket1.Initialize("UDP", 5000, 8000) in AppStart....
link: .HostAddress) 'See what ipaddress is? Packet.Initialize(data, Packet.HostAddress , 5100...
link: ("Layout1") MainForm.Show UDPSocket1.Initialize("UDP", 5100, 8000) '...

UDPSocket1 As UDPSocket Private txtHost As EditText End Sub Public Sub Initialize End Sub...) B4XPages.SetTitle(Me, Application.LabelName) UDPSocket1.Initialize("UDP", 5000... Packet As UDPPacket Packet.Initialize(data, txtHost.Text, 5000) UDPSocket1.Send(Packet...) B4XPages.SetTitle(Me, Application.LabelName) UDPSocket1.Initialize("UDP", 5000, 8000... Private Root As B4XView Private xui As XUI Private UDPSocket1 As UDPSocket Private...

You can use UDPSocket.Initialize2 and set ReuseAddress parameter to True. It will allow multiple processes to share the port....
link: You can use UDPSocket.Initialize2 and set ReuseAddress parameter to True. It will allow multiple...

If UDPSocket1.IsInitialized Then UDPSocket1.Close Sleep(400) UDPSocket1.Initialize("UDP"...) a new UDPSocket, initialize it and then assign it to UDPSocket1....
link: ) NavControl.ShowPage(Page1) tmr.Initialize("tmr", 1000) 'UDPSocket1...
link: UDPSocket, initialize it and then assign it to UDPSocket1. I did like this because i noticed that if...
link: This is not needed and a mistake. I know its a mistake initialize the udpsocket every time...

to make a delay after UDPSocket.Initialize, for example, Sleep (1)....1) Check firewall settings. Maybe a port is closed. 2) Packet.Initialize(data, "255.255.255...
link: ) UDPSocket1.Initialize("UDP", 30303, 8000) End Sub Public Sub DiscoverIP Dim Packet...
link: Application_Start (Nav As NavigationController) UDPSocket1.Initialize("UDP", 30303, 8000...
link: ) UDPSocket1.Initialize("UDP", 30303, 8000) End Sub Public Sub DiscoverIP Dim Packet...

I also told you to explicitly set the port number. i changed from UDPSocket1.Initialize("UDP", 0, 8000) to UDPSocket1.Initialize("UDP",14000, 8000) No differences...
link: ") NavControl.ShowPage(Page1) UDPSocket1.Initialize("UDP", 0, 8000) End Sub...
link: ) UDPSocket1.Initialize("UDP", 14000, 8000) End Sub Sub UDP_PacketArrived (Packet As UDPPacket...

today my ipad update to v10.2, my app cannot send udp data, show message "send data error" ,before update ,my app is normal how can i do ? dim UDPSocket1 As UDPSocket UDPSocket1.Initialize("UDP", 1200, 5000) Dim Packet As UDPPacket Dim Data() As Byte Dim strCmd As String=strWrite Data = strCmd.GetBytes("UTF8") Packet.Initialize(Data, m_CheckIP, m_CheckPort) UDPSocket1.Send(Packet) ...