1. SJQ

    Android Question Receiving UDP Broadcast Packets when phone suspended.

    Building on the ‘Background Location Tracking’ example. I am trying to do something similar with UDP Sockets. I need to receive UDP broadcast packets from several Huzzah32-ESP32 with an array of connected sensors every few seconds or so, log this data in a database and if specific trigger...
  2. behnam_tr

    B4J Question how share list or map betwen two b4j app in local

    hi i have two b4j app and i want to send a list or map or array as strings to other app two app are in same pc and local i saw and check topic udp - B4xSerializator and others i could use udp socket and connect two app its ok but in udp can send only bytes i attached my projects in receiver...
  3. S

    Android Question Receive data from wifi in udp mode

    Hi, I want to display nmea navigation data on an android tablet. The data is transmitted wifi by an AIT3000 AIS and is received by an ipad running InavX. The ipad lives in the cabin of the boat and it's very useful to have a repeater by the wheel, and I want to use an android tablet. Because...
  4. rtek1000

    Android Question [Solved] Android blocking receiving UDP broadcast

    Hello, I'm trying to implement a auto discovery system, but Android 6 is blocking receiving UDP sent via broadcast, the app can send broadcast but not receive. Android 6 do not receive "" and not even "" Android 6 only receives UDP if the transmitter directs to...
  5. E


    I have running a timer every second for making a stopwatch. Three variables sec, minute and hour are taken. Sec is incremented with every timer tick and minute is incremented when sec value reaches 60. Everything is working fine. Now I want to broadcast the value of time in 00:00:00...
  6. I

    B4J Library [B4X] Ryze/DJI Tello drone SDK -app

    Ryze/DJI Tello drone is a cheap drone (99$) - more info on https://www.ryzerobotics.com/tello Some of the interesting features are altitude stabilization, WIFI control - mobile app, camera image stabilization, etc and, of course, control the drone thanks to the IOS/Android app, Droneblocks and...