B4J Tutorials

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...

 

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...

 

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...

 

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...

 

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...

 

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...

 

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...

 

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...

 

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...

 

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...

 

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...

 

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...

 

Peter had a great idea for a new feature in BANano:

Hello Alain,

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

Imagine, it would be...

 

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...

 

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...

 

Hi Fam

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


Have fun!

 

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...

 

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...

 

Hi Fam

This component helps with scrolling tabs which are clickable, more like the YouTube draggable tabs.

When the page is shown, we build up the page

'sub to show the page...

 

Hi Fam.

Demo

It is with pleasure to release an updated Vehicle Expense Tracking WebApp (PocketBase) and also a new version using Secure Api Key MySQL REST API.

When developing...