B4J Tutorials

[B4X] B4XTable sample working with MinimaList

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  • example3.zip
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OdoMeter with JavaObject

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  • OdoMeterJHS.jar
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  • b4jOdoMeter.zip
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[Web][SithasoDaisy5] Building Large Forms with SithasoDaisy5 Low Code Generator for B4X

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Monitor with JavaObject

It is based on this Github Project. Need at least Java 17 (me thinks). Maybe useful to someone but then do not expect me to support it. View the Jar and do whatever changes you need to...
 

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  • monitor-17.0.0.jar
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  • Monitor.zip
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TouchSlider

It comes from here. Seems to me you need at least Java SDK 17. I have used 19 for this B4J project - all dome with JavaObject.
Attached the Jar and the B4J project - copy the jar to...
 

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  • TouchSlider-17.0.0.jar
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  • TouchSlider.zip
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[Web][SithasoDaisy5] Let's create some layouts.

Hi Fam

In this post we will look at creating some layouts...

SithasoDaisy5 is available for free here

Here we go.
 
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Using Resource Hacker to replace 'OpenJDK Platform' app name and icon

There are a few question threads about using Resource Hacker to make sure that your app name and icon appear everywhere you might want it to such as in the taskbar/Task Manager/File Properties...
 

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SithasoDaisy2: Let's create a Libs.json Generator for Aeric's Additional Libraries Downloader

Hi Fam

Use Tool hosted on PocketHost

Aeric has created an amazing tool to download Additional Libraries. This however needs a libs.json file for it to work. A sample of that file has...
 
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[B4X] B4XTable sample working with SQLite

[B4X] B4XTable Sample 1​

A sample project to demonstrate loading SQLite data into B4XTable
Android Devices data (JSON) downloaded from Internet
GitHub...
 

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  • example1.zip
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  • example2.zip
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AES Encryption Example - Encrypt Plain Text and or files

With this example, you can encrypt and decrypt plain text and files. The following options are available:
  • Text encoding options: Hex or Base64
  • Selectable key sizes: AES-128, AES-192, or...
 

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  • Screenshot 2025-08-17 113448.png
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  • TestEncryption.zip
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PocketBase - Going behind the scenes with the "--dev" arguement

Hi Fam

In pocketbase there is an arguement that you can pass to your command to start PocketBase that goes behind the scenes and displays each and every command that pocketbase executes...
 
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Medusa Clocks with JavaObject

Not meant to take anything away from @teddybear post here but thought I would give the clock a shot by using JavaObject. The attached B4J project creates the 16 different clock...
 

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  • medusaClockJOClass.zip
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JavaFX17+ InlineUris

JavaFX17 added the possibility to use inlineURIs. One use for this is to add small CSS Stylesheets from code:

B4X: 
Sub AppStart (Form1 As Form, Args() As String)
    MainForm = Form1...
 
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Google OR-TOOLS (Cryptarithmetic Puzzles)

This is a B4J example (using inline Java Code) of using Google OR-TOOLS to solve Cryptarithmetic Puzzles. It is only set up for "CP + IS + FUN = TRUE"

It generates 72 possible solutions...
 

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  • orToolsCryptarithmetic.zip
    3.4 KB · Views: 80
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WebGL library, working with fog.

Hi all,

today I will show how the WebGL library can use the fog in your scene and can be fine tuned by code or by GUI.
This will simulate a real realistic fog. Allowed fog and exponential fog...
 
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[Web] Dynamic Database Connectivity with Automatic CRUD REST API - API.PHP

Hi Fam

Original Project

I've been looking at ways to get the api.php file for CRUD REST to work in a dynamic fashion so that I can get it connect to any back-end database.

I found a way...
 

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  • api.zip
    70.2 KB · Views: 105
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[B4J+B4A] CCTV example (updated)

This is based on the original example

B4J CCTV example

This example is similar to the previous example: http://www.b4x.com/android/forum/threads/android-based-closed-circuit-tv-cctv-example.23601/#content The server is now implemented in B4J. In order to run this example you will need to allow incoming connections on port 17178 (or other port)...
www.b4x.com

GitHub:
https://github.com/pyhoon/CCTV-example-B4J...
 

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  • CCTV-B4J.zip
    3 KB · Views: 109
  • CCTV-B4A.zip
    13.5 KB · Views: 101
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[B4X] Code snippets

B4J v10.00 includes support for "code snippets". This feature will be added to the other tools in the next updates.
A code snippet is a piece of code that can be added to your code in very few...
 
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Beginning Bootstrap 4 with OneEvery

Hi

B4J App
User Manual


What is OneEvery?

This is a work in progress app that one can use to learn the different web frameworks available. Currently this...
 
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PocketBase: Why you should ABSOLUTELY AVOID using getFullList when Querying large tables

Hi Fam

There are a variety of ways to get data from Pocketbase, one of them being getFullList. Remember, you can specify the fields you want to show in your end result and even filter your...
 
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