B4J Tutorials

This is a simple example that shows :
Using sliders
Re-sizing windows
Changing background colour of a window
Truncating/Expanding text
Moving labels to keep pace with a slider button
Text with...

 

Time tracker example with a server component and iOS and Android client apps.
The client apps allow the employees to check in and out (based on the current status).

...

 

LAMP: Linux Apache MySQL PHP

In this tutorial I will explain how to bring complete working server, on Amazon EC2 (you get 1 year free)

I am using this server for sending notification for iphone...

 

It is very simple to read data from an Excel workbook and show it with B4XTable.

The almost complete code:

...

 

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...

 

Ola

UPDATE 2020-05-19: Please use this library instead

[BANAno] MySQL CRUD with PHP - Part 2

Well, the Business College website I'm creating has a portion of where the...

 

One of the most asked for components in ABMaterial is an editable Grid. We already have ABMTable and ABMTableMutable, but they have their limitations when it comes to being editable. So, as this...

 

Short one.

You can configure the IDE to show a list of external file editors. The list shows when you right click on a file in the Files tab...

 

DOWNLOAD THE LATEST VERSION OF BANANO:

https://www.b4x.com/android/forum/threads/banano-progressive-web-app-library.99740/#post-627764

INTRODUCTION

BANano v2 has a completely new...

 

Google Play Developer API allows you to access your developer account and do all kinds of things. For example get the latest app reviews or check the status of in-app purchases.

Like with all...

 

I took Ilan's challenge and implemented a minimum spanning tree algorithm.

You can see the solution online: https://b4x.com:51041/mst/index.html

The algorithm used is Prim's...

 

The computer chooses a number and you need to find the correct number.

Sub Process_Globals
   Private fx As JFX...

 

Starting from B4J v1.80 you can configure custom error pages. This means that instead of the default error page:

You can...

 

I ran some tests to check whether the Raspberry Pi 2 can be suitable for server solutions.

The tests were similar to the tests previously done on a PC...

 

Unhandled exceptions are exceptions that were thrown outside of Try / Catch blocks. Such exceptions cause the process to exit in all cases except of server applications.

Starting from B4J v5.0 it...

 

Spoiler: Intro

So I have created a few JRDC2 apps. I put them on a VPS as live demo. It is running on Ubuntu 18.04 64 bit. Today I wanted to make the app more secure by...

 

Hi there

I have been requested to do a simple something on how one can create a simple ABMaterial WebApp using the Pen&Paper code generator. The attached video seeks to demonstrate with a simple...

 

PREFACE:
As some may know, ABM has some basic JavaScript functionality build-in called B4JS. It was the predecessor of BANano. However, because of the design of ABM, B4JS could never...

 

As in B4J 5.80 Jetty has been updated to 9.4.6 (which contains an important change in the internal Session framework), you will need to update some code in StartServer() and StartServerHTTP2() in...

 

A Canvas node is used to magnify a small window under the mouse cursor.

The main code is:

Sub iv_MouseMoved...