B4J Tutorials

Ola

NB: PLEASE DO NOT ASK QUESTIONS ON THIS THREAD

FOR A MORE DETAILED SETUP PROCESS, PLEASE SEE THE GITHUB REPO README.

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What's New

To use this...

 

Hi all,

Since the lockdown everywhere, a lot of B4X users seem to want to learn ABM to make WebApps in B4J. That is great!

However, some seem to struggle a lot to get started. I understand...

 

*** Contents ***
Intro
Acknowledgements
Disclaimer
Environment
Conventions used in this post
Making it work
Compiling and running your programs
A semi-automated way to get your B4J UI...

 

B4J v1.80 adds support for remote debugging using B4J-Bridge, a tool similar to the beloved B4A-Bridge.

The purpose of B4J-Bridge is to allow you to connect the IDE to a remote machine such...

 

At the request of several friends, I opened this Thread which explains some problems encountered when developing with Banano and VuetiiFy.

Obviously I will propose the solutions that I have...

 

As shared in multiple places in this forum Java 11 OpenJDK does not allow to run jar files directly. (here)

Here is an easy workaround...

1. Run cmd with administrator privilege.
2...

 

Hi there

As a start to anyone interested in BANanoVuetifyAD3 and its webapp/website development eco-system, creating powerful webapps / websites, I greatly recommend the kitchen sink.

So you can...

 

This is not really a tip or a tutorial, more of a warning for others.

I made a small B4J program and wanted to distribute the program on a Windows 10 PC. As I was using jSerial, I followed the...

 

This is just a bit of fun, inspired by a recent question about the shape of buttons.
Given an image, how hard is it to make a specific area in the picture sensitive to clicks.

It turns out...

 

Ola

Download

Why the BANano Custom View Creator?

The beauty of BANano is that it enables one to use any front-end framework they want. This means that you can pick any...

 

Hi there...

With this piece of code...

vuetify.AddTranslation("en", "de", "hello", "Hello {name}!", "Guten Tag, {name}!")
    vuetify.AddTranslation("en", "de", "welcome", "Welcome!"...

 

In ABMaterial version 4.95, @alwaysbusy introduced me to a new method of handling Rich Text Editing - in the form of an ABMCustomComponent called...

 

Ola

DISCLAIMER: ALWAYS RUN YOUR PHP WEBSERVER ON TOP ON SSL

Download Source code to REPRODUCE (Extracted from the BVAD3 Library)

Whilst you might be secure when running PHP apps on...

 

If you use SQlite in your apps in you need to do backups. A bad decision is just to copy the database file:

- there will be more than one file when the database is online (e.g. *.wal and other...

 

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...

 

However we may wish, data may not always be correct - either through user input, program logic or device corruption.

This form allows management to ensure / correct the proper paid...

 

Hello fellow B4X'ers,
Here is some example code for connecting your B4J projects to 5 different types of database engines, this tutorial is for learning purposes only and nothing else...

 

Hello i need to add a button or a menu item by code in a vuetable. I have tried with the properties bag but I don't know how.

 

The example here uses a Bezier curve which is one of a lot of possible curves.
But the text drawing routine works on any list of points.
The attached .zip has all the code (140 lines)...

 

Disclaimer:
None of the techniques used here are new to our community and you may have seen the 'Trick' used by me before.

The Problem:
We are using classes more frequently, especially with...