B4J Tutorials

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: 53
  • jCanvasExt.jar
    5.1 KB · Views: 52
  • jCanvasExt.xml
    35.5 KB · Views: 57

[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: 82

B4XTable - B4XLocalizator

Attachments

  • B4XTableB4XLocalizator.zip
    13.6 KB · Views: 70
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Bouncing Balls

Enjoy!

1704632276886.png


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: 76

[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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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: 59
  • jCanvasExt.xml
    35.5 KB · Views: 58
  • b4jBallCollision.zip
    4.1 KB · Views: 59

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: 66
  • jSnooker.jar
    392.8 KB · Views: 64
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Athom Pre-Flashed TASMOTA Infrared Remote Controller with B4X (Home Automation)

Attachments

  • AthomTasmota.zip
    4.6 KB · Views: 73

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: 65
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[Web] Php-Wasm - this should be interesting...

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: 60
  • jCanvasExt.xml
    35.5 KB · Views: 57
  • b4jTusiCouple.zip
    2.3 KB · Views: 55
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[B4XTurtle]L-Systems and The Money Tree

Attachments

  • LSystem.zip
    4.4 KB · Views: 60

[Web][SithasoIONIC7] Adding RTL (Right to Left) Support for your apps

Hi Fam

Let's add RTL (Right to Left) support for our app, so that is looks like this.

SithasoIONIC7RTL.png


In pgInitialize

B4X:
Sub Initialize
    'initialize the app, show ios mode...
 

CausticRaysCircle

Have converted this Processing Github Project to B4J. Very interesting to watch this being drawn in real time. Just B4J default libs required.

Have not used the default Processing PVector...
 

Attachments

  • b4jCausticRaysCircle.zip
    2.6 KB · Views: 69
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[Web][SithasoKITT] - Voice Command for your Web Applications

Hi Fam

R.jpg


If you grew up in my days, you will recognize this car. KITT, Michael Knights pride. A car that could talk and do wonders!!! Anyway...

SithasoKITT is just a simple wrap of...
 

Attachments

  • SithasoKITT.bas
    5.1 KB · Views: 54
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[Web][SithasoIONIC7][Wireframes] - Creating b4x layouts

Hi Fam

It is with pleasure to announce that our first test into this journey has yielded perfect results. A many thanks to the MakeBxL project and the rest of the people who make this...
 

Attachments

  • SI7LayoutTest.zip
    9.3 KB · Views: 48

Reflection of a single ray inside a circle

The circle - 0 degrees is measured from the positive x-axis
In the attached sample project the first point (pih_0) is at 324.2 degrees. The second point (phi_1) is at 144.7 degrees
We draw a line...
 

Attachments

  • b4jCircleBounce.zip
    3.5 KB · Views: 46
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[Web][SithasoDaisy] Mastering Server Progressive Web Apps

Hi Fam

In this thread we will look at creating BANanoServer Applications using SithasoDaisy. BANanoServer is the equivalent of ABM but for BANano, but with the full power of using the...
 

[Web] ABMaterial vs BANanoServer: Are you confused about them?

Hi Fam

Perhaps an illustration can help.

untitled_page.png


Conclusion: Reaching the same goal

Let me explain..

1. Anyone who wants to develop Server WebApps, has 2 options with Alain's...
 

[Web][SithasoIONIC7] Mastering Server Progressive Web Apps

Hi Fam

In this thread we will look at creating BANanoServer Applications using SithasoIONIC7 Mobile Kit. BANanoServer is the equivalent of ABM but for BANano, but with the full power of...
 
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