Bug? UDPPacket.HostAddress is missing

Network 1.10 libary UDPPacket.HostAddress is missing and UDPPacket.Host return incorrect host name

  • UDPPacket.HostName will get a compile error

    Votes: 1 100.0%
  • UDPPacket.Host will often get invalid host name

    Votes: 0 0.0%

  • Total voters
  • Poll closed .


New Member
Licensed User
Network Lib 1.10 Document said that:

Host As String [read only]
This method is deprecated and will not work properly on Android 4+ device.

Use HostAddress instead.
HostAddress As String [read only]

Gets the IP address of the sending machine.

In fact, I can't find HostAddress. Host is still there and it worked not always correct
Sub Activity_Create(FirstTime As Boolean)

for B4A UDP Sample:

Sub UDP_PacketArrived (Packet As UDPPacket)
Dim msg as string
msg = BytesToString(Packet.Data, Packet.Offset, Packet.Length, "UTF8")
Msgbox("Received msg [" & msg & " ] from Host:" & Packet.HostAddress & " Port:" & Packet.Port ,"Debug")
End Sub

If you use Packet.HostAddress, it'll compile error-- HostAddress is not existed at all.
If you use Packet.Host you'll get incorrect host name very often (My Tablet is Google Asus NEXUS 2 Android 4.3)



New Member
Licensed User
Hi Erel,

1. Current version Network Library is Network 1.10
UDPPacket doesn't contain 'HostAddress' member.
It's still 'Host' which return incorrect Host name of UDP sender.
2. My application needs to response incoming UDP packet from a remote UDP sender.
So I need to examine HostAddress to get remote IP and reply a message



New Member
Licensed User
Dear Erel,

Thank you for great help.
I am studying UDP communication and overwrite original version(1.25) accidently with an old version(1.10) downloaded from B4A Web site.
Sorry for that.