B4J Tutorials

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

 

Hi all,

Since the lockdown everywhere, a lot of B4X users seem to want to learn ABM to make WebApps in B4J. That is great!

However, some seem to struggle a lot to get started. I understand...

 

The TabPane container allows the user to switch between different tab pages.

Working with TabPane is similar to working...

 

USE THE B4J PROJECT IN POST #19 BELOW.

I have converted this Github project to a B4J project (a number of B4J classes in the B4J project to match the classes in the Github project)...

 

Try it online: https://www.b4x.com:51042/login_example/
Note that it is not connected to the forum database. Feel free to test it and register new users. Its only purpose...

 

In this tutorial we will develop the following web app:

There are three components to this solution:

Main module...

 

Better to start with the integrated packager: https://www.b4x.com/android/forum/t...-way-to-distribute-standalone-ui-apps.117880/
B4JPackager11 is a...

 

This example uses jNet library together with the MailParser module to build a program that responds to emails.

Although...

 

In this tutorial, I want to show you, how you can upload your Java Application to Windows Store. Here you can find a test Application in the Store.

System requirements:

• Windows...

 

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...

 

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...

 

Simple Layout Designer (SLD) B4J application.

Check out message #31 for the latest update!

In this tutorial you can learn how to create a layout using the Simple...

 

B4J development tool is similar to Basic4android. The language and IDE are mostly identical.

The APIs (methods, keywords and libraries) are identical in some cases and different in other cases...

 

New tutorial based on Java 11: Raspberry Pi with Java 11

The first step is to download and run B4J-Bridge: Remote debugging with B4J-Bridge


Raspberry Pi is a low-cost...

 

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

 

B4J v1.80 adds support for remote debugging using B4J-Bridge, a tool similar to the beloved B4A-Bridge.

The purpose of B4J-Bridge is to allow you to connect the IDE to a remote machine such...

 

PREFACE:
As some may know, ABM has some basic JavaScript functionality build-in called B4JS. It was the predecessor of BANano. However, because of the design of ABM, B4JS could never...

 

It is mostly impossible to run non-notarized and unsigned apps on new versions of Mac.
MacSigner tool will help you with the various steps required to convert the app jar to a...

 

What is MQTT?

"MQTT is a Client Server publish/subscribe messaging transport protocol. It is light weight, open, simple, and designed so as to be easy to implement. These characteristics...

 

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...