B4J Tutorials

Here's an PHP/HTML example:

- create OTP credentials (including Base32 encoding)
- show a html page with these credentials and a generated QR-Code
- this code can be scanned and used with all...

 

Good day

The LM (Learner Material) is freely available for learning BVAD3 even if one cannot make it for the online meeting. Join and get access to it now, ...

 

Ola

Class - Css - Cssutils
Class - Database - Jrdc
Class - Database - Jrdc2
Class - Database - Keyvaluestore B4j
Class - Date/time - Janotherdatepicker
Class -...

 

Ola

Fortunately one can access the b4xgoodies via a WebApp on their mobile devices. In this video below, we detail how one needs to:

Steps to reproduce on your Mobile Device

1. Visit...

 

Hi all,

The upcoming new version of BANano (v5) will allow you to use one of the greatest features of B4X: Live Code Swapping!

This has always been a very productive and unique tool we have at...

 

Ola

Seeking.Shelter is an app for people in distress. It helps one find the police stations, courts, shelters, clinics and hospitals around South Africa.

One of the WebApp reviewers made a...

 

You can put more than one java application in a single jar, but still be able to run them as individual applications.
The main advantage is the space it takes up.
For example, a simple non-ui...

 

Ola

Was recently requested to look at this by a friend, for encryption

1. Download this repo here to get the md5 javascript resource

https://github.com/blueimp/JavaScript-MD5

2. In your...

 

Ola

As you might be aware, one has been busy working on Database.Show, a BANano+Vuetify Database Viewer, Documentor, CRUD thingy.

We have just closed off one of the milestones, MySQL and...

 

hi,

After few adjustments B4J works fine on Ubuntu.
See picture;-)

If you want, I'll write a tutorial in french.
Looking for a translator .... If someone want it!

see you soon.

 

This document is intended to add a little understanding as to how Resumable Subs actually work under the bonnet and is intended as a complement to how they are used as Erel explains in his...

 

Hi, today I have lost some time testing a B4j server app in a VPS, my app was supposed to help upload big files to the server. Locally, everything was working as expected, but when I have...

 

To help with my own learning I have played with JavaObject and JavaFX to create linecharts.

Here are the 3 examples I have made I have ported the code directly from the Oracle...

 

Hi,
Have just finished making a Color Picker app for Windows & Mac (B4J v8.90 & jdk-11.0.1).
Thought someone might find this useful (specially newbies).

(Just my...

 

Spoiler: Some notes about the tutorials

From time to time, jOpenCV examples will be referenced in this tutorial. You can find the donwload link in the first post of the jOpenCV library thread
Syntax: when referencing...

 

Spoiler: Some notes about the tutorials

From time to time, jOpenCV examples will be referenced in this tutorial. You can find the donwload link in the first post of the jOpenCV library thread
Syntax: when referencing...

 

Attached project code:

#Region Project Attributes
    #MainFormWidth: 600
    #MainFormHeight: 600
#End Region

Sub Process_Globals
    Private fx As JFX
    Private MainForm As Form...

 

Hello to you all,
I decided to recreate this simple but effective game example, the game is based on the B4XPages library. The game is designed for hand, eye and memory coordination, so I called...

 

Hello to you all,
Here is an extremely simple example on how to easily recreate Google Trends results using B4XPages with B4j and the xChart library. In this example I used Google...

 

Ola

So me runs into this nice charting library, morris chart. Me see a nice donut. Me likes donut.

Their examples are quite nice and straight forward and easy to implement...