Tutorials & Examples

The native use of B4x on M1 CPU is not possible. But using Parallels and Windows 11 Arm makes it possible to have a perfect working development environment. With one problem: there is no JavaFX...

 

B4A works fine in Parallels windows on M1 MAC.
Here are compilation times for same, fairly large project:
Could Erel comment on significant differences in time execution of various parts.
In...

 

B4XCache is a new collection added in B4XCollections v1.10.
It is key / value store collection, similar to Map.
When the cache reaches the set maximum size, the least recent used items are removed...

 

Issue: Device doesn't receive FCM messages while in sleep/doze mode

Important to know: Google uses 2 different api's with different keywords

So...

 

Two great tools for testing webapps and webhooks

Researching the internet I have found two great tools that can be used for testing webapps and webhooks. The first is called ngrok. What it does is that it creates a tunel to your web app and makes it accessible from the internet through https without port forwarding. It acts as a kind of...

www.b4x.com

 

I have written a few Financial Calculators over the past couple of weeks, and one approach I've found extremely useful is Approximation and Guesswork.
So I figured, why not share the approach with...

 

Hello to you all,
Here is a simple example on retrieving data from a REST API requested using the JSON Generator (you could also use http URL download), the same JSON library is also used to parse...

 

Disclaimer: I do not create/own the original project source code therefore please don't ask me to provide full support. I am just helping a member to make this project work. I do not get any money...

 

Disclaimer: I do not create/own the original project source code therefore please don't ask me to provide full support. I am just helping a member to make this project work. I do not get any money...

 

Hello Community!
This is the third UI Example by XTools Group and more examples are on the way
You can find our UI Examples Here :

[UI] [B4A] Camping App UI Example + Source Code​

...

 

1. Click on button "Create app".

2. Enter your App name. Select App or Game.

3. Scroll down. Check all the declarations. Click on button "Create app".

4...

 

Hello,

i´m playing around with the Calendars on my Device and want to Query them. I found out how it works using ContentResolver querying the ContentProvider available in Android.

You can...

 

I just got a Skagen Falster 2 watch and logged my first experiences of trying to use B4A to develop aps for it. Here's what I did!

First of all setup the watch with the Wear OS app on a phone...

 

This is an enhanced version based on @Erel 's ContactsUtils v1.20.

NOTE: DeleteContact didn't work on an Amazon Fire tablet with Android 5.1.1 but did on a Moto X Style phone with...

 

Most of us know the material icons / fontawesome.

https://www.b4x.com/android/forum/threads/b4x-materialicons-web-font-chooser.103985/#content

That link is some what outdated. So made a...

 

This example uses SimpleMediaManager to show a list of 400 top sites, based on Alexa dataset.

Each item is made of two panels and a label:
- Panel for the favicon.
- Panel for the...

 

The ConnectAndReconnect sub takes care of connecting to the broker and reconnecting if the connection has broken.
It sends a "ping" request every 5 seconds to help the MQTT client recognize...

 

Hi all,

This is a simple example of moving files across the internal/external memory boundary.
EG Transferring a CSV file from an external location to an internal folder to load a database in the...

 

The "smart string" literal is a more powerful version of the standard string literal.
It has three advantages:

1. Supports multi-line strings.
2. No need to escape quotes.
3. Supports string...

 

Download library here: https://www.b4x.com/android/forum/threads/abwearos-library-1-0.98036/

This library requires B4A 8.50+

This library should implement the new datalayer...