library

📌 UltraDBGrid v1.01 (B4A) A fully customizable and database-friendly grid component for B4A, designed to give developers maximum control over rows, columns, styles, and data binding. Supports both manual column definitions and auto-detection from SQL queries. --- ✨ Features Database...

ESP32RMTpuls B4R Library (Pre-release) This is a B4R library for generating TX pulse signals using the RMT module of the ESP32. It is currently in pre-release, due to limited testing across different IDF versions and ESP32 SoC variants. The library is primarily intended for one-shot pulse...

Hello, anyone (Erel…?) looked into the simpleBLE library for Bluetooth LE? https://github.com/simpleble/simpleble I used that library in some C/C++ project and found it very usable and stable. Just saw that it comes with Java bindings - wouldn’t that make it usable with B4J…? It also comes...

Hi everyone! Is there a library that uses the IAX protocol for Asterisk? Since not all smartphones support the SIP protocol anymore, I think it's a good alternative for VoIP. Plus, it handles everything with just a single port opened on the server.

Hello everyone, I'm using the AS_DatePicker library (v1.31) and I've encountered two main issues. I’m displaying the DatePicker inside a Panel that becomes visible when a Label is clicked, and it hides again once a date is selected. Here are the problems I’ve run into: Wrong Year Selected on...

Does the B4A library have a package manager tool? If the B4A library can be searched directly in the IDE, but it is not installed on the computer, click to find the online library, list 5, double-click to automatically install to the default library list, custom library directory, or temporary...

It is the last day of 2024, I am glad to share a simple library for LaTeX mathematical expressions. LaTeX is a typesetting system,its markup describes the content and layout of the document, the library I wrapped is only for mathematical expressions. license GPL2.0 It is very simple, only one...

I have been working on a library to use LLM's (like openAI) in B4J for our company. Using OpenAI is pretty simple to do with their REST API, but it quickly becomes quite costly as they not only make you pay for the output, but also for the input. In comes RAG (Retrieval Augmented Generation). It...

Hi All, I am working on a proof of concept, I am wrapping a library that requires of a few other dependencies listed below. I am seeing this error when trying to compile the app. The dependency that is causing this issue is guava-27.0.1-android.jar which obviously is required by the library I...

Hello, I moved all my projects files, including external libraries, in a case sensitive filesystem. I observed that B4J expect to find all libraries in lower case (both jar and xml files), otherwise are not found by the IDE. Is this by design? Thank you, Dan

Hello forum lovers, I am happy to provide the MakeB4XLib v1.7 application for own use only for forum users. Please read this restriction in the further content of the post: Application-Regulations - to continue to Google Drive. MakeB4XLib - to continue to Google Drive. (A password to unpack the...

I have found this library: https://github.com/suethan/AndroidUSBCamera and I would like to use it in B4A. How can I convert it in a format that B4A accepts?

Hello everyone. I need to sign communications with Ed25519 in B4A. Despite not finding much information in the forums, I came across a library in https://mavenlibs.com/jar/file/net.i2p.crypto/eddsa that implements functions for key generation and signing. I attempted to make it work using the...

Guys, this is really shocking. I counted the library authors and the number of libraries from B4XGOODS projects. There are 380 library authors who have contributed more than 2,500 libraries to B4X. We thank @aeric @Star-Dust @Erel @mcqueccu for their feedback and comments in...

Hi friends. I am using the xml2map library. I get an error when I receive more than one key data with the same name. This xml data contains offline messages from Openfire Group Chat. incoming xml data: <message type='groupchat' id='aacda'...

Hello, I am evaluating the B4J tool for Windows, Raspberry Pi, and Android systems, and am quite impressed. My question with Raspberry Pi electronics, is the libgpiod supported? After searching the forum, I was not able to find information on the native libgpiod library. The WiringPi library...

A small button, that changes/cycles values from a list. Very useful, to allow user to select specific values from a list. Features: Change background and text color Customizable text label width/size Customizable icon label width/size Can adjust icon spacing/padding Change Event Reversible...

A simple view, that is used as a Title/Action Bar, with icons and adjustable title. Features: Up to 5 icons on the right side Left/Burger icon (visible or not) Change background and text color Each element (burger, title, icons) has each own click event Title label adjusts its width, depending...

Hello All, I am still using the old ExpandedListView Class module. Is there any library that does the same thing ? I need the expand and collapse of main panels, that show inside child views. Thanks in advance

Hello Friends! I'm starting a new project on B4J, that will run on Windows and Linux desktops. The app needs to use a 3rd party external library (.DLL and .SO). What is the best way for writing this app? Create a wrapper of DLL and .SO and use it depending on target OS? There is any tutorial...