B4J Tutorials

[Web][SithasoDaisy5] Designing Forms with the Abstract Designer

• By Mashiane
• Mar 4, 2025

Hi Fam

SithasoDaisy5 Demo

Before you start this tutorial, please ensure that your dev environment is setup by following this tutorial...

 

Last edited: Apr 27, 2025

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FXThemes

• By stevel05
• Feb 27, 2025

Now I have a windows 11 PC and thanks to a prod from one of @Cableguy posts on another thread, I finally got round to looking at an alternative to my Replacement Titlebar lib.

This...

 

Last edited: Feb 27, 2025

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jBluetooth under Linux: also works

• By peacemaker
• Feb 24, 2025

But if to make lots of preparations:
0. Do not forget to include into the B4J library folder file: www.b4x.com/b4j/files/bluecove-2.1.1-SNAPSHOT.jar

1. Install Linux Bluetooth Bluecove...

 

Last edited: Feb 26, 2025

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Creating Linux DEB-package for GUI B4J app

• By peacemaker
• Feb 20, 2025

This tutorial is made for Linux JDK14 set Java + JavaFX for B4J practically, AI suggestions were partially OK only.
The .jar app file is compiled at Windows developer host.

Building a DEB...

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Attachments

• TempDownload.png

  10.5 KB · Views: 198

Last edited: Feb 23, 2025

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B4J-Bridge dockerimage

• By Blueforcer
• Dec 18, 2018

A friend of mine created a docker image for me to debug apps on my server quickly and easily.
I am happy to share this with you.

https://hub.docker.com/r/o0shojo0o/b4jbridge

 

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[PyBridge] Linear regression with scikit learn

• By Erel
• Feb 17, 2025

This example is based on: https://scikit-learn.org/stable/auto_examples/linear_model/plot_ols.html
The steps are:

1. Read the CSV file with StringUtils.
2. Take the BMI and target columns...

 

Attachments

• Project.zip

  27 KB · Views: 207

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[PyBridge] Tips to make life easier

• By Daestrum
• Feb 17, 2025

1, Download VSCode to edit the Python source files (you get hints etc)
2, Put the Python source code in files directory. (set external tool to VSCode for easy editing)
3, Run the code from...

 

Last edited: Feb 17, 2025

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MathArt

• By Johan Schoeman
• Feb 2, 2025

Sure you will figure it out. Four rotating/pivoting arms of different length and rotating at different speeds (some CW and some CCW) to make all kinds of interesting drawings. Change the speed /...

 

Attachments

• b4jMathArt.zip

  2.9 KB · Views: 251

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HTMX+Bootstrap5+MiniHTML+WebApiUtils+Server

• By aeric
• Jan 25, 2025

This example uses B4X,

• specifically MiniHTML library
• cross over HTMX to generate interactive HTML
• based on Modal Dialogs in Bootstrap example on HTMX website
• to...

 

Attachments

• WebApiUtils.b4xlib

  8.9 KB · Views: 227
• MiniHtml.b4xlib

  19.8 KB · Views: 219
• htmx-b4x.zip

  3.2 KB · Views: 225

Last edited: Jan 27, 2025

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Tip : B4XLib documentation

• By walt61
• Jan 26, 2025

I recently spent half a day on a wild goose chase trying to find out what was going on with SQLCipher, while the issue turned out to be B4XTable.b4xlib containing an #AdditionalJar for...

 

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Trace of a point on a rolling wheel

• By Johan Schoeman
• Jan 19, 2025

 

Attachments

• b4jRotatingWheel.zip

  2.2 KB · Views: 203

Last edited: Jan 25, 2025

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Run B4J java and javafx UI Applications on Linux ARM32, ARM64 & Intel/AMD Computers and VPSs

• By aminoacid
• Mar 15, 2024

To run a B4J console or GUI Application on any 32-bit or 64-bit ARM computer, follow these steps:

Have tested it on Raspberry Pi 4 and Orange Pi Zero 3, 2W running Ubuntu 21.04 and 22.04...

 

Last edited: Jan 10, 2025

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Using MiniORMUtils in Web API Server v3

• By aeric
• Nov 2, 2024

Introduction
At the time of writing, MiniORMUtils is version 1.14 and Web API Server v3 is version 3.00.
MiniORMUtils support SQLite and MySQL databases.
We don't need to write...

 

Last edited: Jan 8, 2025

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Google Image Downloader (using Pnd_Selenium Library)

• By Magma
• Dec 30, 2024

Hi there,

I am sharing my example Google Image Downloader using Selenium and to be more specific Pnd_Selenium lib (from Pendrush) that you can find here...

 

Attachments

• Google Image Downloader.zip

  18.4 KB · Views: 178

Last edited: Dec 30, 2024

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[WebApps] Using Laragon as your development web server

• By Mashiane
• Jul 22, 2019

Ola

I just ran into this link, https://www.keycdn.com/blog/web-development-tools

And besides XAMPP, which I have been using for my personal web development projects, there is Laragon...

 

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[Web] Mastering Pocketbase: Your Ultimate Guide to a Flawless SQLite WebServer Install on Windows!

• By Mashiane
• Jun 6, 2024

Hi Fam

Download

PocketBase is a SQLite Webserver with some powerful functionality. Whilst it provides functionality to be a database, it also has a nice UI to manage that database...

 

Last edited: Jun 6, 2024

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[Web] Plug n Play MySQL Database Authentication via PHP REST API in 5 minutes or less

• By Mashiane
• Nov 17, 2024

Hi Fam

Download

You will recall that we did a tutorial on MySQL back-ends using a plug n play CRUD REST API (Related Topics below)

This is based on this GitHub Project

In this...

 

Last edited: Nov 17, 2024

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[BANano] Using PocketBase (Firebase Alternative) for your Apps.

• By Mashiane
• Oct 18, 2022

Hi there.

Update: This class is based on the JavaScript SDK available here, https://github.com/pocketbase/js-sdk
REST API calls are dont internal to the library, if you want to use pure...

 

Last edited: Sep 19, 2023

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Web API Server v3

• By aeric
• Oct 29, 2024

Part #1: Get Started
Part #2: Configure Settings
Part #3: How Does the Project Work?
Part #4: Server Handlers
Part #5: Using Code Snippets
Part #6: Add a New Field

Part #1: Get Started...

 

Last edited: Apr 23, 2025

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Styling buttons with CSS

• By stevel05
• Feb 15, 2015

Not a tutorial from me, but I thought I'd share this link which has some nice buttons styled in CSS.

http://fxexperience.com/2011/12/styling-fx-buttons-with-css/

Create the css file and...

 

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