B4J Tutorials

This example is a simple Task Manager using HTML to access the server by the Client.
The tasks are stored in a SQLite database, which is managed by the B4J WebServer.
Read...

 

The web app framework can be easily extended with new elements and new features.

In this example we use two elements from jQuery UI library...

 

SQLite databases are very easy to use as they don't require any additional software or configuration.

SQLite support for concurrent access is not comparable to server based databases such as...

 

Online example: http://basic4ppc.com:51042/chat/index.html

This example demonstrates several important...

 

This example demonstrates how a Raspberry Pi board can be controlled from the browser.

It tracks the switches state and...

 

Starting from B4J v2.00 the server can listen to two ports, the standard insecure port (http) and a secure port (https).

The default port for http is 80 and for https is 443. These ports are used...

 

Online link: http://basic4ppc.com:51042/quiz/index.html

This is an example of an online quiz. When the...

 

WebUtils.ReplaceMap together with the CreateMap keyword are useful for building dynamic strings, especially for html output.

For example, in the chat example when a user writes a message we...

 

This OpenSource WebApp is based upon a request to manage team events from Android, iPhone, Windows and Linux (Raspberry) devices.
The solution is a B4J WebApp, using jQuery Mobile (jQM)...

 

How do I install the jexcell bookstore?
In fact I can not find it on the site.

 

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...

 

I needed to keep two ListViews scrolling in sync, so searching the internet I found this: http://stackoverflow.com/questions/16937470/listen-to-scrollbar-change-in-listview

which I have...

 

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...

 

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...

 

jControlsFX library v1.20 includes a control named PropertySheet. With this control it is very simple to create forms with many fields.

The data for these fields comes from a custom type...

 

Not a tutorial. But a feature of SQLite that allot of people do not know about. In memory databases. Can you say fast?

https://www.sqlite.org/inmemorydb.html

 

Using timelines, it's possible for two (or more if you change code) listviews to occupy the same space on a form.
This demo will slide one listview, revealing the hidden listview. (A bit like...

 

As a helper to get started with B4J, some classical HelloWorld type of apps.
B4J offers many solutions in the way an app(lication) can be developed.

Status: 20150502

Below examples...

 

I have been using the in-line java for ages and only just discovered that you do not have to put all the code in one module, as I was previously doing.
It can be placed in the module to which it...

 

I thought I would share how I requested and installed a SSL certificate for my B4J server.

In my case I used namecheap.com to purchase a $9 SSL certificate. I already had a domain name and a...