B4J Tutorials

[BANanoVuetifyAD3] Using a real device to debug your localhost running webapp

Hi there

You are developing your app and want to see it running on your device instead of your machine from localhost.

The easier method:

1. Enable hotspot on your phone.
2. Connect your PC to...
 

Newton Fractals - all in B4J

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)...
 

Attachments

  • b4aNewtonFractalViewer.zip
    7.7 KB · Views: 106
Last edited:

[Web] SithasoDaisy - Installing SithasoDaisy and creating you first TailwindCSS & DaisyUI WebApp using b4x

Hi there

I am publishing this reel here for anyone starting with SithasoDaisy for ease of reference.



Have fun!
 

[Web] BANano + BLE

Hi, I'm trying to learn BANano and I want to share a bit of what I've learned so far, any suggestion or comment is welcome.
Sorry if I'm posting this in the wrong place, I'm just trying to learn...
 
Last edited:

[web]Web API Tutorial - Getting Started

Introduction:

This tutorial is based on Web API Template 2.

How to install:

1. Download the template and copy it to B4J Additional Library folder.
1684044460362.png
...
 
Last edited:

[Web] Trying Microsoft Azure MySQL Flexible Server

Ola

Curious, so Im testing if I can deploy an app that will use Microsoft Azure MySQL.

Things to remember:...

1. Download Cert Perm file. This is on the Networking Tab (available after you...
 
Last edited:

Newton Fractals

This is a B4J shortcut to kick start this Github project.

Edit the "formula" at the top of the GUI and click "Generate"

Jar is attached - copy it to your additional library folder...
 

Attachments

  • jNewtonFractalViewer.jar
    10.8 KB · Views: 86
  • b4aNewtonFractalViewer.zip
    2 KB · Views: 84
Last edited:

Fractal Tree

A B4J shortcut to kick start this Github project.

Jar is attached - copy it to your B4J additional libs folder
Sample project attached

Maximize the screen (top right) and then play with...
 

Attachments

  • jFractalTree.jar
    4.2 KB · Views: 85
  • b4jFractalTree.zip
    1.9 KB · Views: 87

[Web] SithasoDaisy - Deferring CSS & JS Files so that they are loaded ONLY when needed.

Ola

Demo on Vercel

One of the nice things about BANano is the built in functionality around LoadJS. I noted this on the console log when I was updating some stuff on the SithasoDaisy...
 
Last edited:

Web Tools Collection - Enjoy

Hi

I'm putting this as a tutorial as we might loose it.

 

MacSigner - Building notarized Mac packages

Screen Shot 2021-05-19 at 11.55.28.png


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...
 
Last edited:

CallMeBot: A Free "Personal Use" Bot to send WhatsApp, Telegram, Messenger & Voice Calls

Medusa Gauges (with inline Java Code)

You can draw up to 25 different Gauges with basically the same B4J code. You need to download Medusa-8.0.jar and add it to your B4J additional library folder.

B4X:
    Public Skin_DigitalSkin...
 

Attachments

  • MedusaGauge.zip
    5.9 KB · Views: 383

SithasoDaisy: How to Create Beautiful Product Tour

Hi there.



We will demo this using a table and a property bag.

We tell our SDUITable that it will have some toolbar buttons, these will be added to it.

1688490461842.png



This is...
 

Scan 1D / 2D barcodes with your Laptop's WebCam

Last edited:

B4J Sudoku

Just for the fun of it....

Button Create = uses class dlx_generator to create a new puzzle
Button New Puzzle = use a variant of 1 of the 742 puzzles embedded in the code (randomly swapping...
 

Attachments

  • b4jSudoku.zip
    34 KB · Views: 212
Last edited:

SithasoDaisy: Creating Dialog Forms with the Abstract Designer

Good day

In the SithasoDaisy download package, you get a MySQL Crud App for a simple expense tracking app. As a showcase, there is a b4j layout named expenseCategory

1688029549865.png



This...
 

SithasoDaisy: SDUITable TimeSheet with inline-editing - guidance

Hi there

This is an example of how to create a timesheet with time & day matrix to enter hours worked etc. I have added the change_row event which detects changes to the time entered and also an...
 

Attachments

  • SDTimeSheet.zip
    59.4 KB · Views: 82

Enhancing Image Contrast by means of Histogram Equalization

Attachments

  • b4jHistEqual.zip
    339.8 KB · Views: 102

Beginning Bespoke Block-Chains with B4J.

Hi

I have been curious about this, so here is my entepretation so far...

B4X:
bitcoin.Initialize
    '
    Dim b1 As Block = bitcoin.NewBlock
    bitcoin.SetField(b1, "amount", 5)...
 

Attachments

  • BlockChain.zip
    3.1 KB · Views: 92
Top