B4J Tutorials

jServer v2.70 adds support for background workers (https://www.b4x.com/android/forum/threads/updates-to-internal-libaries.48274/#post-465493).

A background worker is a class instance that...

 

PrintHtml is a small Windows utility that you can use to print from your app.

First you should download PrintHtml.exe and also the DHTML Editing Control...

 

This one generates a Word document (you need to have Word installed!) and saves it as a PDF (for other formats just change the vbs-script)

To start see here...

 

I needed to read the remaining battery charge from my laptop acting as a server to give an alert if the charge is under xx %. There are a lot of examples to use a vbs-script to gather this...

 

Hi

Well, as a newbie to the ABMaterial framework, about a month and a couple of days now, I decided to take a journey to see if I can create a webapp using the ABMaterial framework. This app...

 

A couple of days ago I posted an article, Android2ABMaterial: A Personal Experiment. This article is about how I created that ABMaterial WebApp using MyMaterial.Show, a code...

 

Hi ,
there is a way to load a google chart engine into abmaterial?
i have used this in websocket event but with no success.

ws.Eval( "$('head').append('<script type=text/javascript...

 

CustomBuildAction is a powerful ally.

Generally to do anything useful you need to call a...

 

B4J currently supports two types of applications: UI applications (based on JavaFX) and Non-UI applications.

Non-UI applications are standard Java applications. Usually the input to such...

 

When you create a new UI project, the project starts with a single code module with the following code:

#Region  Project Attributes
   #MainFormWidth: 500
   #MainFormHeight: 500
#End Region...

 

The ABMDateTimePicker has, next to date and time selection now also week selection. I've searched some time to find a good one, but didn't so I decided to write it myself. Looks like a great...

 

Online example: http://basic4ppc.com:51042/reports/google_charts.html

Google Charts is a free web...

 

The common entry point for a ABMaterial webapp is the “Application Name” page or AppName in the code.

When you visit ABMaterial.com, the site redirects you to the entry page named “demo”...

 

The views below are shown as phone portrait size ( < 600px )

Prior to 2.0

Version 2.0

Sub ConnectPage()
  
    ABMShared.ConnectNavigationBar2(page...

 

I ran some tests to check how these boards perform as web servers.

The tests were similar to the tests done here and here.

Data was read and written to a SQLite database in wal mode...

 

Custom views are implemented as B4X classes or in a library.
A custom view includes a set of properties that can be set...

 

Before you use this tutorial

1. You need to know how to compile JRDC 2 jar file. Kindly Search the forum.
2. You should have installed openjdk or oracle jdk in your server. For more...

 

Hi there

Ok, I'm just a newbie when it comes to ABMaterial, my fourth week now. It's been a wonderful journey and very interesting too.

For a while now I have been struggling to understand the...

 

Hello,

I don't know if I am handling it the right way.
I have I ABmaterial app running on my RPI.
Now in the main, I have a serial connection with a device that get counters every 60 seconds.
It...

 

ABMaterial includes the GoogleMap object (class - API exposure) to allow us to do some interesting tasks. The basics are now supported but I am sure it will expand in the future. I have...