B4J Tutorials

[BANano] Using ExcelJS to create Excel Reports based on existing templates

Hi Fam

I wanted to generate an excel report based on an existing template. The template should have some existing structure in it, so I need to read it and then update the portions I need and...
 
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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: 302
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[XLUtils] Creating MS Word Documents



XLUtils v2.00 adds support for creating MS Word documents, and converting Word documents to PDF.
It is done in a similar way to BCTextEngine, using custom BBCode. This works...
 

Attachments

  • WordExample.zip
    16 KB · Views: 1,005
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[MakeB4XLib] An application for creating a .b4xlib type library.

Hello,
Seminar on the MakeB4XLib application version 1.7,
which is a tool for creating libraries of the "B4X Library (.b4xlib)" type.

In this seminar I will...
 

Attachments

  • B4XPasswordGen v.1.01.zip
    1.2 KB · Views: 440
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[Web] Beginning Telegram Mini Apps - CloudStorage aka CRUD Key-Value Store

Hi Fam

Demo (Open in Telegram Mobile App)

Source Code

Today we look at Telegram Cloud Storage, a key-value pair storage available on the Mini Apps. We will create a task manager to...
 
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[Web] Beginning Telegram Mini Apps - Alerts

Hi Fam

Demo (Open in Telegram Mobile App)

Source Code

In this tutorial we look at alerts. These are internal components built inside Telegram and we are just using an API to execute...
 
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[Web] Beginning Telegram Mini Apps - Back & Settings Buttons

Hi Fam

The back button controls the visibility & navigation when the back button is active. This is like the normal back button in an app.
The settings buttons show on the right menu of the bot...
 
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[Web] Beginning Telegram Mini Apps - Haptic Feedback

Hi Fam

What is Haptic Feedback?

Your sense of touch provides valuable information about the world around you, and haptics mimic these experiences. If you've played a racing video game and...
 
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[Web] Beginning Telegram Mini Apps - BiometricManager

Hi Fam

Demo (Open the bot from your Mobile Device > Sign In (use any details) > Hamburger > Biometrics > Follow the button sequence. When you click Authenticate, it will show the biometrics...
 
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[Web] Beginning Telegram Mini Apps with BANano

Hi Fam

Demo

Source Code

Let's create some Telegram Mini Apps.

What is TMA?

These are apps that run inside Telegram. They use Bots to run.

Here we go...

Related Content...
 
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[Web] SithasoDaisy SDUITable Inline Editing - Calculations

Hi Fam

Download

NB: This project is built with SithasoDaisy 2.5 BETA, however the same principles discussed here still apply.

This demo project is about how inline editing works. When...
 
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B4J app for Raspberry with jdk11

This is my shopping list after various installations on Raspberry:

The Runtime for B4J applications for Raspberry differ in the processor version
If ARM version 7 Use...
 
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Create a crypto trading bot using ccxt




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
    242.9 KB · Views: 489
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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: 472
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[BANano] inline php -> server code

Peter had a great idea for a new feature in BANano:
Kiffi said:
Hello Alain,

So you don't get bored , I have an idea for another BANano killer feature: ServerCode

Imagine, it would be...
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Consuming http streams

Standard http communication is made of a request being sent from the client to the server and the server response sent back to the client.
As I'm sure you know you should use OkHttpUtils2 for such...
 

Attachments

  • MjpegWithOkHttp.zip
    4.5 KB · Views: 1,057
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ThingSpeak Data Viewer Tutorial (updated)

I made a few useful (in my biased opinion updates to the very interesting project by Mark Read: ThingSpeak Data Viewer
Thank you Mark and thank you Klaus for xChart



The...
 

Attachments

  • ThingSpeak.zip
    54.7 KB · Views: 337
  • Test.zip
    2 KB · Views: 313
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[Web] Self Hosting Supabase

Hi Fam

I just found this video on YT, have not tried it out. If you do, please share your experience.


Have fun!
 
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[ABMaterial/ABMServer] Mini Template for absolute beginners (update 2024/05/17)

Hi all,

Since the lockdown everywhere, a lot of B4X users seem to want to learn ABM to make WebApps in B4J. That is great!

However, some seem to struggle a lot to get started. I understand...
 

Attachments

  • 1588503676773.png
    8.3 KB · Views: 4,961
  • 1588532671395.png
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[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: 573
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