B4J Tutorials

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: 334
  • jSnooker.jar
    392.8 KB · Views: 342
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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: 340
  • jCanvasExt.xml
    35.5 KB · Views: 379
  • b4jBallCollision.zip
    4.1 KB · Views: 344
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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: 384
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B4XTable - B4XLocalizator

Attachments

  • B4XTableB4XLocalizator.zip
    13.6 KB · Views: 369
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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: 326
  • jCanvasExt.jar
    5.1 KB · Views: 315
  • jCanvasExt.xml
    35.5 KB · Views: 323
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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: 434
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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: 321
  • 1.png
    62.5 KB · Views: 387
  • 2.png
    78 KB · Views: 383
  • b4jFourier.zip
    394.9 KB · Views: 337
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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: 455
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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: 312
  • SI7UploadImage.zip
    217.5 KB · Views: 317
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[Web] SithasoIONIC7 - Mastering SwiperJS / Sliders

Hi Family...

Let's master the swiper / slider.




 

Attachments

  • SI7Swiper.zip
    13.4 KB · Views: 352
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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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[Web] Using PocketBase as a Framework: Lets create a REST API

Ola.

Its amazing with the latest version of PocketBase one can extend it with JavaScript / Go.

So I tested creating some REST API handlers. You can unzip the attached file to your pocketbase...
 

Attachments

  • pb_hooks.zip
    428 bytes · Views: 387
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[Web] SithasoIONIC7 Mobile WebApp Development Q & A

Hi there

You have a question about SithasoIONIC7, please hit us up here.

If you have a question on an existing project you are working on, please include a simple small project so that I...
 
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B4XPages Video tutorial Series

B4XPages Video Tutorial Series

Hello, I intend to share my knowledge using B4XPages through this beginner tutorial. Please subscribe and share. Part 1 - Getting Started with New Project Part 2 - Adding Multiple Pages and Navigating Part 3 - B4XPages Folder Structure and creating new Modules
www.b4x.com
 
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Opus codec for B4J

Tested on Windows 10 and Linux Mint 21 with JDK 11. Should work with later JDK version hopefully.

1. Download file opus-jni-java-1.0.3.jar from GitHub to your B4J Additional Libraries...
 
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