B4J Tutorials

Modular Multiplication on a Circle

B4J Project attached. No other libs other than the default B4J libs required (can probably be easily converted to B4A and B4I as it only draws on a standard B4J canvas)

The code is simple and the...
 

Attachments

  • b4jMathModularCircle.zip
    2.3 KB · Views: 460
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Tusi Couple

A nice Optical illusion when running the B4J project - the small yellow balls all move just in a straight line.

B4J Project attached
Jar and XML for CanvasExt by @klaus attached - copy them...
 

Attachments

  • jCanvasExt.jar
    5.1 KB · Views: 459
  • jCanvasExt.xml
    35.5 KB · Views: 429
  • b4jTusiCouple.zip
    2.3 KB · Views: 457
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[Web] Php-Wasm - this should be interesting...

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Athom Pre-Flashed TASMOTA Infrared Remote Controller with B4X (Home Automation)

Attachments

  • AthomTasmota.zip
    4.6 KB · Views: 626
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Anyone for a game of Snooker

Have compiled this Github project into a Jar so that it can be kick started from within B4J. Made some minor changes to the original code to that the /res folder could be embedded...
 

Attachments

  • b4jSnooker.zip
    2.2 KB · Views: 420
  • jSnooker.jar
    392.8 KB · Views: 445
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Colliding Balls

Converted this Github project to B4J - it is like watching snooker. A bit of physics in it to detect collisions and then change speed/direction

B4J sample project attached
Also...
 

Attachments

  • jCanvasExt.jar
    5.1 KB · Views: 445
  • jCanvasExt.xml
    35.5 KB · Views: 484
  • b4jBallCollision.zip
    4.1 KB · Views: 443
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[Web][SithasoGunDB] - SEA: Security, Encryption & Authorization using IndexedDB Back-End

Hi Fam

Demo on Vercel

Today we look at how we can perform user authentication using GunDB. GunDB uses localstorage / indexedDb / file / and other databases as back-ends through various...
 
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Bouncing Balls

Enjoy!



Comment/uncomment the code in class Ball(move) and see gravity, friction, damping changing the behavior of the balls.

Comment/Uncomment: 
Public Sub move
  
'    Dim damp As Double = 0.99...
 

Attachments

  • b4jBouncingBalls.zip
    2.7 KB · Views: 467
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B4XTable - B4XLocalizator

Attachments

  • B4XTableB4XLocalizator.zip
    13.6 KB · Views: 488
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Drawing "Waves"with Epicycles

Have converted this Github project to B4J. Sure you will figure it out:
1. Select from the ComboBox to draw Square/Triangle
2. Move the Slider to increase/decrease the number of...
 

Attachments

  • b4jFourier2.zip
    5.4 KB · Views: 410
  • jCanvasExt.jar
    5.1 KB · Views: 395
  • jCanvasExt.xml
    35.5 KB · Views: 408
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[B4X] FirebaseFirestore - Customer Support Chat Demo

Here is a customer support chat demo of FirebaseFirestore for B4J
  • It listens to
    1. Chats
    2. Chat
    3. Products
    4. Sales
    5. Customers


You can further add...
 

Attachments

  • Project.zip
    66.9 KB · Views: 579
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[Web] [Talk] IndexedDB that syncs to a REST API.

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Discrete-Fourier-transform-visualization

It is a shortcut wrap for this Github project. Will convert it to B4J when I have some time to do so.

Attached:
1. The jar - copy it to your B4J additional libs folder
2. the B4J...
 

Attachments

  • jFourier.jar
    165.8 KB · Views: 417
  • 1.png
    62.5 KB · Views: 540
  • 2.png
    78 KB · Views: 559
  • b4jFourier.zip
    394.9 KB · Views: 442
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[Web] SithasoIONIC7 - Let's create a Sticky Notes Mobile App using LocalStorage

Hi there fam.

Demo

Let's wireframe and create a Sticky Notes Mobile App.

1. One should be able to create and save sticky notes.
2. The sticky notes should be color coded. We use a FAB...
 
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HTMX + TailwindCSS + Freemarker

Hey there!
Attached you will find an example on how to use these technologies with our beloved B4x.

Find here the Freemarker library...
 

Attachments

  • htmx.zip
    61.4 KB · Views: 614
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[Web] SithasoIONIC7 - Mastering File Input

Hi Family

Here we use a hidden file input, to select an image and display it. On mobile this activates the camera.

 

Attachments

  • fileinput.zip
    2.9 KB · Views: 389
  • SI7UploadImage.zip
    217.5 KB · Views: 394
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[Web] SithasoIONIC7 - Mastering SwiperJS / Sliders

Hi Family...

Let's master the swiper / slider.




 

Attachments

  • SI7Swiper.zip
    13.4 KB · Views: 444
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JavaFX 3D spinning Earth and Galaxy

Change it to your liking - download it from here:

Main Code: 
#Region Project Attributes
    #MainFormWidth: 600
    #MainFormHeight: 600
#End Region...
 
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[BANano][8.19+] Special commands for inline JavaScript

In BANano 8.19+, there are some special commands that make it easier to integrate JavaScript code into your WebApp. Previously all this was (is still) possible with .RunMethod and .Get/SetField...
 
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[BANano] [VuetifyAD3] Small solutions to development hitches (Tricks and tracks)

At the request of several friends, I opened this Thread which explains some problems encountered when developing with Banano and VuetiiFy.

Obviously I will propose the solutions that I have...
 
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