B4J Tutorials

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...

 

Use xCustomListView instead.

 

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

This tool allows you to test regular expressions...

 

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

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

 

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...

 

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...

 

I'll try to collect tips related to the UI elements in this thread.

In B4J (and JavaFX) the main UI element is named Node. It is similar to Basic4android View or Basic4ppc (.Net) Control.

B4J...

 

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

 

Been trying WebView and WebEngine.

Here's a little example of using both. (requires additional library to run)

Shows how to retrieve the hyperlinks in a page and put them in a comboBox, also...

 

The attached project is a port of Basic4android charts framework: http://www.b4x.com/android/forum/threads/android-charts-framework.8260/#content...

 

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...

 

The purpose of this example is to demonstrate how you can interact with the server through ajax requests.

The server...

 

The File methods in B4J are identical to B4A File methods.

Text file methods

File.WriteString - Writes the given text to a new file.
File.ReadString - Reads a file and...

 

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...

 

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

 

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...

 

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...

 

B4J server library is based on an open source project named Jetty.
Jetty server performance is excellent which means that B4J server performance is also excellent.

The following numbers are the...

 

Edit: See this page for more information about B4J: https://www.b4x.com/b4j.html