B4J Tutorials

jayel · Oct 6, 2016

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...

Harris · Aug 4, 2016

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...

Harris · Jun 2, 2016

In keeping with the PDF viewer layout, I created this page.

Driver Photos

Pictures are taken on the device at certain times (like when the Drive Screen pops up).
These are to show if the driver...

Erel · Sep 12, 2016

In the last years there were many reports in the media about Java security. All these security issues are related to vulnerabilities that allow the process to exit the sandbox boundaries.

These...

Mashiane · Sep 29, 2016

Wow...

In my quest to replicate my android app to ABMaterial framework, just managed to execute my php scripts that access mysql db directly from my experiment web app.

Check this out......

Erel · Dec 1, 2013

B4J jSQL library is similar to Basic4android SQL library.

This tutorial will cover the differences between the two libraries. You can read more about the library methods here...

Mashiane · Sep 16, 2016

Hi there

I have been working on a helper tool for ABMaterial as discussed in this post.

One of the most amazing feautures that have been added now is the ability to see the source code...

Erel · Dec 16, 2015

New tutorial: https://www.b4x.com/android/forum/threads/server-conscrypt-and-http-2.93040/

B4J v4.00 adds support for Http/2. This is the new version of the Http protocol.

The two main...

alwaysbusy · Sep 8, 2016

This post is no longer valid! B4JS has been rewritten from the ground up and will first introduced in In ABM 4.25. Stay tuned......

Siam · Feb 29, 2016

Hello,

today i will share my Experience with the DS 18B20 Temperature Sensor.
The first step is to prepare the Raspberry PI.
edit the file:

B4X:

sudo nano /boot/config.txt

insert the following...

Erel · Dec 19, 2013

This is a port of this tutorial: http://docs.oracle.com/javafx/2/get_started/css.htm

It demonstrates how CSS...

mc73 · Jan 28, 2014

Tried

B4X:

aToggleButton.Style=":selected{-fx-background-color:black;}"

Not working for me. Any advice?
Furthermore, how can I relate the style of a node created by code with a css file?

Mark Turney · Oct 20, 2015

Please, see the following links for HD videos teaching B4J from the very beginning all the way through to a working application. The list will be updated in this first post as new videos are...

Harris · Jul 10, 2016

Visualizing data can be accomplished in many ways.
Here, we are using a chart to graphically depict two elements of a larger dataset - Speed and RPM of a vehicle.

Initially, I tried to store...

Harris · Jan 17, 2016

This example shows a Master (Vehicle ID) - detail (Group ID) - detail (Item id)
The fixed footer controls the Master grid (VEHICLE). Each detail is based on the...

alwaysbusy · Mar 11, 2016

ABMPivotTable allows the user to view data in a dynamic pivot table. It can answer quick questions that are e.g. not findable in a report. Note that it can only handle a couple of thousand...

Erel · Nov 19, 2013

You can find the documentation page here: http://www.b4x.com/b4j/documentation.html

Note that the documentation is not yet complete.

alwaysbusy · Jun 16, 2016

The next service you can use in WebApps using ABMaterial 1.20: Storage. With storage you can upload/download files with ease. Here is an example using it together with the new ABMFileInput...

alwaysbusy · Apr 14, 2016

This is the first of a two part 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...

KMatle · Apr 29, 2016

What is a ESP8266?

It's a small Basic programmabe microcontroller with Wifi, TCP/IP stack plus server, GPIO's and... it's unbelievable cheap. For about 3€ you get it as a bulk version which you...

B4J Tutorials

Show only:

[ABMaterial] events trigger

[ABMaterial] GoogleMaps - GeoZones

[ABMaterial] Photo Viewer

Java Security

[ABMaterial] Calling MySQL PHP scripts with OkHttp

SQL Tutorial

[Pen&Paper] with Source Code Preview

Attachments

[server] Http/2 Configuration

Attachments

[ABMaterial] 2.0 introducing B4JS

[RPI] DS18b20 Temp. Sensor HowTo

CSS Example

Attachments

Using external CSS file to style a ToggleButton

B4J Educational Video Series

[ABMaterial] and Chartist (charts)

[ABMaterial] Showcase (one to many table relation)

[ABMaterial] New component ABMPivotTable in 1.08

B4J documentation page

[ABMaterial] Firebase Storage in 1.20

[ABMaterial] 1.09 all about flexibility

[IoT][ESP8266]B4J/B4A/B4i & ESP8266 Basic: Example thread

B4J Tutorials

Attachments

Attachments

Attachments

Privacy & Transparency

Privacy & Transparency