B4J Tutorials

FontAwesome and Material Icons are two free icon sets including more than 1500 icons.
They are implemented as regular font files which means that each icon is a regular character...

 

https://www.b4x.com/android/forum/threads/b4x-b4x-programming-technics-track-changes-tool.112452/

 

In a previous example we shown you how you can use B4J to create a desktop application that connects to a number of devices and shows the camera frames: B4J CCTV example

In this example we...

 

Hello

There has been a few tutorial & posts about this already, but most of them are outdated or buried somewhere. I found an updated tutorial which explains very well the steps for installing...

 

This procedure starts from a freshly installed AWS EC2 Linux instance and installs a B4J server, named B4J.jar, configured as a daemon.
This tutorial assumes a basic knowledge of a Linux...

 

Sharing my first experience on how to develop a B4J UI application using the B4J-Bridge, in a window on Ubuntu 18.04.3 LTS (Codename bionic) running on an ACER Aspire.
My aim is to develop...

 

Ola

NB: Update browser settings to view PDF internally!!!

Test Drive

We started with BANanoPDFMake, which was a coding based approach to creating PDF Documents. To be able to...

 

Ola

The newest version of BANano comes with a lot of enhancements and some very interesting stuff. There's so much to learn.

So I decided to check one interesting thing out, Getting / Executing...

 

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

Requirements:

• MacOS...

 

Ola

Simply put, this google map allows one to display a google map on their apps. One is able to also add markers that properties can be set up for.

One needs to get their own...

 

Ola

I recently had an issue. My app was working perfectly on the desktop and any other device except the mobile devices.

Using google chrome i found this extension named Inspect Devices...

 

Ola

The world has changing at a very lightning-fast speed. Gone are the days when websites were static. Ajax came for dynamic websites and soon React, Angular, Vue, the list is long.

A couple of...

 

Before you start: You need some experience with php, Apache Servers, OkHttpUtils, Lists, Maps and JSON structures.

This is an updated example of how to

- communicate with a apache server via...

 

We had an elections yesterday and I saw a nice widget which can serve as a small example.

There are several parties each one with a...

 

Ola

I have about 125 questions and each question has 1 possible answer from 4 responses.

Let me depict everything like this...

1. Responses ( a user should only select one using a radio box)...

 

I couldn't find this on the forum but if you are looking to package your server (non-UI) app with Java 11 (OpenJDK) then you should be aware there is no JRE per se.

I came across an article (link...

 

Follow these steps to associate files, based on their extension, with your app. The user will be able to double click on a file and your app will be opened with the selected file.

Step 1: Make...

 

I was trying to get to grips with setting the column width in my Excel table. According to the help I tried:

number of characters x 256, but all my columns dissappeared!

Setting a...

 

Hi there

DEPRECATED: THIS WAS JUST A PROOF OF CONCEPT (now overtaken by BANanoWebix & BANanoVueMaterial)


Before you embark on this journey, you might first want to look at...

 

This little tutorial is about signing and verifying data you send/receive between apps (= all "programs", even websites). You can use it in B4A without a change (I don't know how B4i works, but I...