socket

  1. Ibrahim Saleh

    Video Streaming App

    I need an b4a app that is able to stream video from local storage. The video streaming service must use socket server to send chuck byte array to the video player. For more reference check this link. http://www.adrianwalker.org/2012/06/html5-video-pseudosteaming-with-java-7.html If you are up...
  2. Enrico Fuoti

    Android Question Problem trying to write to socket bytes with some values greater then chr(128)

    Hi all, my problem is to write to a wifi socket connected to a led display. The Display accepts a 22 byte string, but some of the required chars are chr(177) to chr(186). When I assign the string to buffer the buffer of course gets negative values.. and the display will not generate any...
  3. Amanda Sura

    Android Question [WriteInt] Socket Usage ???

    I have the following code in java. https://prnt.sc/nq9rep How do I apply writeint in b4a??? I only have these options with b4a AStreamsClient.Write AStreamsClient.Write2 AStreamsClient.WriteStream
  4. D

    iOS Question App not responding to socket messages while in background

    Hi all, I have an app which uses sockets (from the iNetwork library) to communicate with another device over WiFi. Some of the messages received from the other device can cause local notifications to be raised on the iPhone running the app, or the app to send responses back to the other device...
  5. Amanda Sura

    Android Question Socket MemoryStream Connect B4A

    I have this code in vb.net. Connect perfectly! Public Shared Sub Send(ByVal msg As String) Try Using MS As New MemoryStream Dim B As Byte() = SB(msg) Dim L As Byte() = SB(B.Length & CChar(vbNullChar)) MS.Write(L, 0...
  6. semar

    In the need of a socket-outlet controlled via bluetooth

    Dear all, I would like to switch a lamp on and off with a B4A app running on an android smartphone. The lamp should be connected to a socket-outlet controlled via bluetooth. Are there any socket-outlet that are easy to interface with ? I mean a model which can be plugged in a home socket-outlet...
  7. L

    Android Question Wait For Error. WeakReference NullPointerException

    Hi everyone, I developed in my app the comunication with a fiscal printer. I do it opening a socket and writing the comands in the stream. I load the comands in a strings array and then I write them to the fiscal printer in a loop. I have to wait the response from the fiscal printer (with the...
  8. Waldemar Lima

    B4J Tutorial How create a Chat using B4J and Server Composer [ Socket ]

    hello everyone ! It is with great honor that I present to you my tool for creating websocket & socket servers, it was developed using C ++ [libwebsocket, enet, winsock, lua_wrapper, scintilla and others]. Today I will do a tutorial on how to use B4J with ServerComposer BUY HERE * First we...
  9. MarkusR

    Android Question Server App with Network & TCP Socket + SSL

    hello, how to make this example b4j network here work with ssl? https://www.b4x.com/android/forum/threads/b4x-network-asyncstreams-b4xserializator.72149/ i set the server into listen after a button click. if me click connect from "client" the server show a connect but the client stay in status...
  10. Sandman

    Android Question Can a socket be connected and closed at the same time?

    I whipped up some code to help out with a little logging, but surprisingly often it crashes with java.io.IOException: Socket Closed in the line commented with CRASH HERE. I've wrapped everything carefully to make sure the socket should be in good shape, but even though it apparently is...
  11. Kevin

    Android Question Strange issues with socket/asyncstream [Solved]

    I used the B4X Serializator tutorial as the basis for an android app that communicates with my ESP-12E. For the most part it works great, however, I have noticed some strange issues: If I don't "disconnect" when pausing the activity (such as when exiting the app), then it seems to stay...
  12. F

    Android Question Socket type not found

    Hello, I declare : dim Socket1 as Socket. But Socket type not found , and show missing library? What have to do? Help please. I'am new B4A user. Regards
  13. giofram

    Android Question B4X: cross-platform and socket managing features

    Dear B4Xers, we need to create cross-platform UI; we need to work with sockets in the background also. A typical example of our hypothetical application is an app where a disabled person "explores" an ever-changing UI that is dynamically generated to learn how to use different types of controls...
  14. P

    B4J Question How to Get status of server continuously

    I Made a UI which send Text message from server to client and client to server but when i close server client should be disconnected but it did't. How to do that ? server.b4j #Region Project Attributes #MainFormWidth: 300 #MainFormHeight: 400 #End Region Sub Process_Globals...
  15. P

    B4J Question How to send Text messages after connection

    I want to send text message from client to server and server to client.I know about AsyncStreams but i don't know how to implement . Can anyone tell me how to send text messages from client to server ? Server code 'Non-UI application (console / server application) #Region Project Attributes...
  16. S

    B4J Question How to connect client and server using Socket in same pc

    I have Posted My code.I successfully initialize server but I can't connect sever to Client.Can anyone please tell me what is wrong in my code ? Can i connect client and server in the same pc ? Server Code #Region Project Attributes #MainFormWidth: 600 #MainFormHeight: 600 #End Region...
Top