Tutorials & Examples

Based on the original example: https://www.b4x.com/android/forum/threads/b4x-bitmapcreator-cross-platform-falling-sand-game.94276/

This is just a conversion from individual platform into...

 

(NFCRW has been Updated !)
In this project You can scan and write your Ndef or NFC tags Very simply,
(This project is for B4XPages)

The Principal codes ...

 

This demo is a slight modification of @klaus's B4XPages SQLiteLight2 demo...

 

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

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

 

Here's a small example how to show/share file(s) from the internal storage (benefits: no permissions are needed)

What it does:

- creates a folder called "shared" (under File.DirInternal)
- this...

 

Hello,

Maybe this can be useful for others.
You can get the exact screen diagonal size (in inch) using the following simple routine.

Sub GetDevicePhysicalSize As Double
#If JAVA
import...

 

Not long ago Don provided example Provider Requester Activity based communication via Intents.

Although that Activity version had some hints in it for Service based version, it took several...

 

In debugging my current app I needed to reset back to basics to debug some code. I ended up creating this simple app which contains all the basics of a long-running background service (taken from...

 

I save the SQLite DB used by my apps in the directory corresponding to File.DirInternal, which is the app's exclusive space.

This, however, prevents you from accessing the DB from outside...

 

Sample 1

A wrap for this Github project. Posting:
1. B4A sample project
2. Java Code - check the code inside the wrapper vs the Java sample code.
3. B4A lib files

A nice...

 

This is for people like me - B4A libraries for Dummies 101 (via SLC). I will attempt to explain it the best I can (there is nothing in this library that one can't do via B4A code. This is purely a...

 

Attached sample project is a wrap for this Github Project.

Attached are the following:

1. NeheLesson09.zip - it contains the library files (Jar and XML). Copy the Jar and XML to your...

 

This is a short Example of what is possible with this 2 views.

I spend a lot of time in creating views, like this and to create a high quality view cost a lot of time. If you want to...

 

This is only an update to the original example from Erel.
I'm starting to create cross-platform apps using B4XPages.
It is mainly to B4A and B4J, because I don't use B4i, and I tried to put...

 

It is mostly based on this posting. It is a 3D spinning cube. The code is very simple (the lib does all the hard lifting). You can change the images of the 6 x faces of the cube by...

 

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...

 

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 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​

...

 

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...

 

Hello Community!
This is the first UI Example by XTools Group and more examples are on the way
In this example we've used CustomListView & XUI Views Librarys and implement a self-made Bottom...