1. Yafuhenk

    B4R Question [SOLVED] Error WiFiSSLSocket

    Since today I get an error when I want to connect to the Wi-Fi network. rESP8266WiFi.h:142:23: error: cannot declare field 'B4R::WiFiSSLSocket::client' to be of abstract type 'B4R::BufferedWiFiClient' I searched for the error and I found that it has been fixed in rESP8266WiFi version 1.55...
  2. M

    Android Question How to send multiple integer variables from udp socket

    hi everyone i wanna to send array of integer from udp socket but i can how do it! hoever im trying to do this but it dose not work well here my sample code: Private Sub Label1_Click Dim hum=200,temp=320 As Int Dim int() As Int = Array As Int(temp,hum) Dim byte() As Byte =...
  3. Q

    Android Question How to find and change WiFi access point for Android?

    Hi All, first post here so please bear with me. Sorry if it been discussed, but I spend few hours to search without any success. So if it been discussed before simply show me corresponding thread. In environment where I work we have big warehouse with many access points. When one move inside...
  4. Lakhtin_V

    Android Question Do is possible to choose access to the Internet through Wi-Fi or mobile data?

    In modern versions of Android, it is possible to choose access to the Internet through Wi-Fi or mobile data. I looked through a lot of topics and realized that now this is a problem. But probably colleagues are looking for ways to solve it. For example, I want to use Wifi only as an access point...
  5. Lakhtin_V

    Android Question MQTT without coverage GSM only on WiFi

    Hello, I am new MQTT technology and therefore I want to know will MQTT allow me to use Wifi for messaging? This option can to collect information from android devices near the server (broker) by WiFi? Security tools in modern versions of android will allow me to solve my problem? Where can I...
  6. Lakhtin_V

    Android Tutorial LM WiFi example of using this library

    Hi! I'm trying to find an example using this library. I liked the functionality of this library, but how to put it into practice? I want to use Wifi direct to send requests to the head unit (server).
  7. RockSmoke

    Android Question SCAN CONNEDTED WiFi NETWORK

    Hello again everyone. How do I view the devices on the connected network? The device to be viewed must be connected to the same wifi network. Thanks in advance
  8. Lakhtin_V

    Android Question Local network using the Wi-Fi module of the smartphone.

    I wanted to create a local area network between 3 smartphones, using Wifi modules of the 5th generation. In the future, I wanted to place on one of them a SQL database server that 2 other smartphones can access to it. I won't be using a WiFi router. Only 3 smartphones to work within the range of...
  9. Lakhtin_V

    Android Question Transfer files between two smartphones via WiFi

    What options exist for transmitting information (short text file) at a distance of 500-1000 meters, without using a cellular connection. I have experience in using dron (quadrocopters), where the communication range with smartphones when using Wifi 5 is guaranteed at least 1 km, in the absence...
  10. Star-Dust

    B4J Library [B4X] SD Zebra (printer)

    This library is the result of my first approach with Zebra printers. I started by connecting via LAN (or Wi-Fi) ZPL language. I plan to connect via BLE and perhaps also via USB. Have a good time. Preview only works if you have an internet connection For ESC/POS Printer see here The Demo version...
  11. bdunkleysmith

    B4J Question [SOLVED] Connect RPi to WiFi via code

    With it clear that an Arduino would not support my project and the recommendation that I should upgrade to a RPI covered in the thread rMQTT HostName with query parameters and despite my previous less than satisfactory experience with RPi projects, I'm pleasantly surprised with progress, however...
  12. Guardian17

    Android Question Android App Receiving Data from Arduino

    Moved to the B4R Questions
  13. D

    Android Question wifi and mobile connection

    I have this problem. Device connected in wifi to an esp module, obviously without internet connection I need to retrieve data from an ftp server using mobile data connection, but seems the device only use the wifi with no success, ignoring the mobile data channel Any suggestion? wifi...
  14. amorosik

    Android Question Indoor device position via wifi access-point

    With one or more wifi routers, is it possible to have an accurate position of the smartphone within a room? Suppose we are inside a rectangular-sized warehouse with no shelves or other type of obstacle to radio waves Using wifi access points, one or more than one, is it possible to have the...
  15. MohsenSaber2019

    Android Question Being stuck in PreferWifiRouting

    Hi All. I'm working on connection between ESP8266 and my B4A app. For a proper connection in perent of phone mobile data I should use PreferWifiRouting function that Erel presented here : Erel: If you are using Android 5+ then you can try this solution Sub Activity_Create(FirstTime As...
  16. M

    B4J Question Check WiFi connection in realtime

    Hello, I'm trying to check the internet connection in real time but I haven't figured out how to do it. I've searched the forum, looked at some posts but they were all for b4a. I also tried some of them but they didn't work. Any help is appreciated.
  17. Y

    B4R Question Disable power saving in wifi mode "ESP32".

    Hello : I am trying to make tow esp32 communicate with each other throught network protocols. each esp32 connected to same router but when i ping from router to esp32 its show me delay and unstable latency when i search for this problem i see that i can fix it by disabling power save in wifi...
  18. Robioptic

    B4A - coder/programmer needed

    B4A - coder needed- Have an urgent job to do- Google maps GPS- WiFi- Bluetooth coding. Anyone interested pls contact me with your fees and ability-outline to work on this project on : [email protected]. :) Thanks Rob -o-o-
  19. W

    Android Tutorial Hugo - ESP8266 4-button WiFi remote

    Not exactly a tutorial or Android-only, but a hint to the community for those who like playing with home automation stuff, and possibly for others as well. I happened across this very nice device (IMHO): https://www.tindie.com/products/nicethings/hugo-esp8266-4-button-wifi-remote/ and couldn't...
  20. Songwut K.

    Android Question How can I get wifi ssid and mac address list of access point ?

    My hospital finger scan not enough for convenient, I'd like to make solution for sign in/out to work daily. To make some app that scan wifi ssid and get mac address at check in area and take selfie photo to sign in/out. I want some library for my android app. 1) Scan wifi and get ssid with...