tcp

Hi everyone! I'm new to B4A. Programming in VB.net I want to make a project for a mobile phone to send and receive data over TCP. I used an example of TestSockets. But my controller (USR K7) does not accept the data I send to HEX. For example, in vb.net I have a data packet: FF A1 C3 01 10 FD...

Hi can anybody wrap this library. it make tcp server for multi client . b4r tcp server just can handle 1 client at the same time. thanks. Async TCP Library for ESP8266 Arduino Async TCP Library for ESP32 Arduino

hi i send image with c# server to b4a tcp client and after get error load bitmap error. this code very good work for udp just error in tcp from b4a i think problem for tcp b4a img = Image.FromFile(@"C:\Users\at\Pictures\download.jpeg"); ms = new MemoryStream()...

hi i need show my video live from tcp c# to my app android panel and tested (videoview,exoplayer..) and no work from this link(http://192.168.43.23:8080) but i test from km player or mx player or web browser good worked this live stream video.

Hello everyone, Here a modbus TCP master library, fully programmed in b4j. This library is asynchronous, by use of the asyncstreams and Callback method. The response is an event, a separate sub, different then your sub where you did the request. This has the advantage that an unresponsive...

Hi this is a technical cuestion more than a specific cuestion of the language.. Í need to implement an application for android with connection to a server made in visual basic that it will also be implemented by me. The interechange of data between andoid app and server will be in xml format. I...

Hello everyone, Here a small quick and dirty implementation of the modbus TCP protocol in B4J as a server / slave. Please note that this is not a complete library! The following limitations are: -Only READING (not writing) of holding registers possible by modbus master(function code 03) from...

Hi All, i'm working on a project which requires a device to send data over to a PC. I came across the MQTT library and I thought I would give it a try, i'm really amazed at how simple it is to set this up, whether running the MQTT Broker on a local P.C. or using one of the cloud host servers...

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...