network

I have an APP which communicates with a computer using network sockets (TCP protocol). The computer is only allowed to communicate with one device at a time, therefore when the App is closed (by the user), it sends a special sign-off message to the computer. Generally, the App works Ok on...

Hi everyone I’ve to build an app for tablets that must run in Kiosk mode. Technical user must be able to change the WiFi network of the tablet. what do you suggest to do? Do exists some intent-based approach to show ONLY the system wifi page and be able to only go back to my app once...

Hey, I have a free radius server that support eap tls 1.3. I send an eap tls authentication using Windows 11 and see by wireshark that packet are really eap tls 1.3. but then when i do it using Android that support eap tls 1.3 by default I see an Client hello of 1.2 without the extension of...

I have been asked to create an application to solve the following problem. Many patients and new staff members miss appointments and exams due to the complexity of a clinic. Although there is staff and signs that indicate the way to different departments, it is not possible to have a guide at...

I can not find a working example for working with WIFI direct. All old WiFi examples and libraries do not work on new smartphones. You may need to make special entries in the manifest and comply with security requirements in new versions of android? I am a beginner and I can assume that you...

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...

Hi there, Well I ve created a simple IP Scanner for Windows only (runs sure at, 7, 8, 8.1, 10, 11)... It uses jShell Library, so cmd, also ping.exe, ipconfig.exe, arp.exe... Is a good example how to use String, Regex, substring, indexof, Wait For... I am attaching only the .jar file - i...

Hallo, ich habe eine App geschrieben, welche einwandfrei funktioniert und Daten über Bluetooth empfängt und diese in eine SQL Datenbank mithilfe der SQL Bibliothek schreibt. Dies funktioniert alles super. Nun wäre es super, wenn parallel dazu alle Werte, welche in die lokale SQL Datenbank...

I have a tcp connection established to a remote server. How can I find the tcp port used by the local socket? I want to use it for an UDP connection too. Thank you.

Hi everyone, today I experienced an issue. My app makes some checks online when it starts. But the first time a dialog is prompted asking to the user to allow the app to go on internet. the dialog is not blocking! so my program will still going in the background, failing the checks because it...

Hi everyone, i need to play some file (*.mp3/*.mp4) via network, and i found this thread: https://www.b4x.com/android/forum/threads/how-do-i-play-a-music-file-from-a-network-server.28506/#post-165736 where @Erel suggest to download the file with SMB and then play with MediaPlayer; but the thread...

I am attempting to access a network resource to play using ExoPlayer. The Android test device appears to be able to access my NAS using Astro File Manager without problem. This code (direct copy from the ExoPlayer example) is causing the issue:- player1.Initialize("player") Dim sources As List...

I have used Network library to send data from my B4A app on my mobile to my desktop running a B4J app. A custom data type can be send this way using wifi connection. I need to know which library / method i can use to communicate between my B4A app and B4J app over the internet. I am considering...

Just bought an Android TV box and I mentioned that you can connect to the bridge via LAN (usually WiFi). Even it shows "Not connected to wireless network" and doesn't show a ip address the internal server listens to any connection so just get to know the LAN address and connect.

Hi Please There must be a way to change the network operator on a rooted device. I found this code that use the TelephonyManager to change data state and it is working very nice , but i also need to change the network operator. Sub Process Globals Dim joData As JavaObject End Sub Sub...

Hello Good Morning I have a Sales App Developed in b4a, where the vendors of the company have a config file generated in a desktop system transfered to the FTP in model ".CSV", then In the APP the files are downloaded from the FTP and Imported to the system base. but when the vendor uses a 4G...

hi everyone ! i am creating a application using Gmaps Library [ Official ] working with Network Library [ Official ] but this application bellow sometimes it works and sometimes it does not work . what i am doing wrong ? someone can help me please ? Project size : 7MB Link to download ...