B4J Tutorials

Ola

As you might be aware, one has been busy working on Database.Show, a BANano+Vuetify Database Viewer, Documentor, CRUD thingy.

We have just closed off one of the milestones, MySQL and...

 

Hi

Based on what we have learned in lesson 1 and 2, here we will explorer another layout element, the accordion.

The accordion we can create comes in two flavours, one vertical and one...

 

Hi I'm creating an application in b4j, my first by the way. but I haven't found the way to start
another module. I have main form, but I need to open another one to display the reports from a...

 

Spoiler: Some notes about the tutorials

From time to time, jOpenCV examples will be referenced in this tutorial. You can find the donwload link in the first post of the jOpenCV library thread
Syntax: when referencing...

 

First post, first issue:
I'm in the process of developing an ABM application. For testing purposes, I uploaded the application on my test server. The application may start fine, but when loading...

 

EDIT: If the message length is equal to the pad length, you have to pad to the next multiple. E.g. 16 bytes would be padded to 32 because one would not know how long the message was because the...

 

Ola

Part 1 of this lesson looked at how we could create the shell skeleton of our app i.e. the various pages of our app that will host the different sections we need to build.

We created...

 

If you are using the code Erel posted here: https://www.b4x.com/android/forum/t...y-on-mac-linux-and-windows.61655/#post-389087 to get the user document...

 

Attached project code:

#Region Project Attributes
    #MainFormWidth: 600
    #MainFormHeight: 600
#End Region

Sub Process_Globals
    Private fx As JFX
    Private MainForm As Form...

 

Researching the internet I have found two great tools that can be used for testing webapps and webhooks.

The first is called ngrok. What it does is that it creates a tunel to your web app and...

 

I used the example that Erel published to create my application and connect it to a server database microsft sql server 2008, in principle I used the odbc open source of JTDS but I had...

 

If anyone is interested in being able to rapidly test desktop, console or server code in a headless environment using WSL, Linux and X11 I have prepared 19 ready to run distro's that can...​

 

Ola

The tab-bar as depicted below is placed at the bottom of the page...

Dim tb As WixTabBar

    tb.Initialize("tb").SetHeight(60).SetTypeBottom(True).SetMultiView(True).SetAnimate(True)...

 

Since retiring some time ago, I have been thinking about creating stories that involve
computer operated robots which carry out actions and speech - like actors in a drama.

It would have at least...

 

Part 1

I have been on the lookout for a simple way to create an installer for my server apps - Ive looked at Inno Setup etc before but I wanted something simple.

My apps are...

 

Hi there

Is it possible to set the default date to be blank / no date for the ABMDatePicker control?

Thanks

 

I've started using B4J after using B4A for a few months. What is the best structure of the code when using multiple forms. Unlike B4A where each activity has its own code, or indeed with vb.net...

 

Wow.

So I had the opportunity to test the new feature in BANAno 5.10, LiveSwapping, where one when in debug mode can update their code and its loaded as in LiveServer as soon as Control+S is...

 

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...

 

Ola

The video component allows one just to do that, show videos. Whilst one is able to set the height & width of their videos, this does not have much properties.

One is able to...