B4J Tutorials

Create a crypto trading bot using ccxt

_Bot_Template.jpg



Hello all,

I made a template to save time when creating a crypto trading bot with B4j. I'm posting this "as-is" for now, since I'm currently working on Tradingview's pine...
 

Attachments

  • _Bot_Template.zip
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[B4X, B4xPages]Using the Standard B4XPreferenceDialog Library with B4XPages to Create Effective Forms

If you are in a hurry, or if you don't want to design your own form, you can use the standard PreferencDialog
in combination with FormsBuilder to create a pretty nice form, one form per B4XPage...
 

Attachments

  • PrefFormsV3.zip
    29.3 KB · Views: 160
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Simple Layout Designer (SLD) B4J application.

Simple Layout Designer (SLD) B4J application.

Check out message #31 for the latest update!

In this tutorial you can learn how to create a layout using the Simple...
 

Attachments

  • sld00.png
    sld00.png
    26.5 KB · Views: 1,049
  • simple_layout_designer.zip
    270.5 KB · Views: 269
  • sld_load_example.zip
    115.4 KB · Views: 238
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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
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Office Scanner tutorial

Hi friends,

I wrote a B4J program and a comprehensive tutorial in my blog page. It shows who is online in local network by names of persons. It scans 254 ip numbers in less than one...
 

"Embedding" JSpice in B4J

Attachments

  • JSpice2.zip
    9.6 KB · Views: 140
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Backup SQLite DB with VACUUM INTO

Less of a tutorial, more to point out another option which doesn't seem to have a mention anywhere on here yet....

I was searching for options to create a backup copy of an SQLite database. There...
 
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Fxyz3d - samples

It is a sample project for this Github posting - using fxyz3d (have added it via inline Java code in a B4J class and then added some setters to the class.

Download...
 

Attachments

  • MathVis.zip
    4.1 KB · Views: 171
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Galaxy

Not to scale but all planets as well as the sun rotating on their respective axis's at the same rate (for now) - a 3D view of all of the planets and the sun (have included Pluto)

Download it from...
 

[SithasoDaisy] - PocketBase - How to create a Web Push Notification Server with PocketBase SSE

Hi there

By the end of this, you should be able to have your own Web Push Notification Server running. Below is an example of a notification coming from a cloud deployed PocketBase server...
 
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Web Push Notifications using the Notifications API

Hi

I just had the pleasure of looking at this Notifications API again. Below is my example.

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You can get more infomation about it here...
 

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

[BANano] SupaBase (FireBase Alternative) User SignUp & SignIn Process

Hi

This is a continuation of this thread.


In this tutorial, we look at user...
 

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...
 

[BANano] SupaBase (FireBase Alternative) crud example with SSE

Hi

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically...
 

Attachments

  • SDUISupaBase.zip
    3.5 KB · Views: 195
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jSerial + AsyncStreamsText + com0com (virtual serial port)

Hello friends,

This is my first but not last post in forum :D When I checked B4J_chat.zip file in Erel's post, I see that there is an old .fxml designer file that can not be recognized by...
 

Attachments

  • Chat.zip
    3.8 KB · Views: 291

SithasoDaisy: How to create a Client List Report in MS Word

Hi

By the end of this, you will be able to:

1. Get a client list from a REST API database. For this case we will use a fake REST API fom https://randomuser.me/
2. Load this client list to...
 

SithasoDaisy TailwindCSS UI Toolkit: Q & A

Hi there

NB: Where possible, please include a simple project that demonstrates your use case.

Do you have any questions about SithasoDaisy UI Toolkit?

You can shoot it here...
 
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How to create a StandAlone EXE without the OpenJAVA (OpenJDK)... an update for your app..

Well "@MrKim" had a wish... and talking about this... then an idea came into my mind... not a "super-duper" but a trick...
Wish...
 
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Pocketbase CRUD REST API & SSE with PostMan and then HttpUtils

Hi

CRUD Examples Attached

PocketBase
is an open source backend consisting of embedded database (SQLite) with realtime subscriptions, built-in users management, convenient dashboard UI and...
 

Attachments

  • PocketBase.zip
    6.9 KB · Views: 45
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