B4J Tutorials

I use jServer/Server extensively. One thing I've struggled with is the fact that I have several huge B4J projects which keep on growing and each one requires its own port. I've longed to be able...

 

Hi there

I'm starting to try and implement LiveHelp for my WebApps, well, its easier than I thought. With a couple of lines one can have LiveHelp running on their website easy peasy.

Below is...

 

Edit: Most updated instructions are available here: https://www.b4x.com/b4j.html

 

It has been some time since I could give my donators a new goodie , and this time it will be a library/tool to profile and monitor your B4J + B4A (7.01+) apps (not limited to ABMaterial...

 

Hi there

29-06-2017 Final Version Preview..

Here is the final version of the eLibrary based on this article below.


The article below just touches on the basic stuff and not...

 

ABMaterial 3.02 Maintenance Release will have a new feature, especially useful for 'one page' apps/websites to navigate. It intruduces 'sections' within a page. A section is a logical grouping...

 

It may have been a bit silent the last few weeks around ABMaterial, but behind the scenes I have been working practically around the clock on maybe the biggest new feature since Chipmunk was...

 

In this tutorial we will develop the following web app:

There are three components to this solution:

Main module...

 

When the page is first shown, it looks like this:

There are times when (someone) wishes the map could be shown full screen, as in the first image above...:

Since the...

 

ABMChat is a new cool looking ABMaterial component to create a Web based chat program. The inner workings are very much like Erels ChatRoom, but with a slick interface. This can be a...

 

Hi there

The ABMTable examples provide functionality to Open/Edit and Delete functionalities of the current record. I wanted more functionality like Cloning a record and Drilling Down...

 

Latest version available here: https://www.b4x.com/android/forum/threads/b4x-dbutils-2.81280/

This example demonstrates how DBUtils module can be used in B4J.

DBUtils was modified to...

 

With Gluon JavaFXPorts it is possible to run JavaFX on Embedded like the Raspberry Pi.
JavaFXPorts is the name of the open source project maintained by Gluon.
The JavaFX application...

 

ABMAudioPlayer is a new component for ABMaterial v1.08 that allows to play mp3 files in WebApps. This component can play individual mp3 files, or playlists (see video). It can also show lyrics...

 

The RPi hasn't a switch to shutdown the RPI; if you cut off power from the RPi, SD card could be corrupted easely.

An easy solution is to add a switch to shutdown the RPI connected to a GPIO pin...

 

TableView is useful to show data in a tabular view.

The data is held in a List. Each item in this list is an array of objects. The length of each array equals to the number of colums.

For...

 

Two tips learned while developing a custom SDK manager for B4A:

1. I wanted to show an animated indicator while...

 

This is the second part of the tutorial on some big changes I'm making to ABMaterial in 1.09. It should be fully backwards compatible so no (or very, very little) changes will be needed from your...

 

Menus in the internal designer are declared as JSON strings.

If you have never worked with the JSON format then it is a good time to learn this format. It is simple and very popular. Short...

 

This is a Bash shell script that allows installing B4J and B4A in linux systems, along with their required dependencies. It is very functional. But for now only Ubuntu is fully...