Tutorials & Examples

The B4X documentation booklets are available in PDF format, Download Link.
All files are included in the zip file in the link above, pdf booklets and all the source code.

You can also...

 

Many things have changed in B4X and also in the underlying platforms. I will try to list here all kinds of (old) features that have better alternatives.
B4X is backward compatible so these...

 

"Code smells" are common patterns that can indicate that there is a problem in the code. A problem doesn't mean that the code doesn't work, it might be that it will be difficult to maintain it or...

 

Well,

As JamesGreaves requested,
"So do you not think it would be of value to have even something like @walt61 has created but online?"...

 

A demonstration of using a "Stick Header" (Floating Title)...

With Erel's help HERE, I was able to create my version of a "floating title", as Erel has coined it.

If you use ChatGPT...

 

As mobile developers, we all have the frustrating experience of taking our eyes off our smartphone and staring at the PC screen, and vice versa. Microsoft "Phone Link" is a useful Windows app that...

 

Using a USB Cable for debugging apps is faster and easier than using B4A bridge. But as you know, being always connected to the USB port will decrease the battery life. With this instruction, you...

 

Title items are added to the list.
A Panel is set above the list. The panel shows the current title when the top visible item...

 

Cross platform example of showing a list of users, retrieved from https://randomuser.me/

The API returns a list with the data of 150 random users. The list is parsed and added...

 

Hi y'all,
I've been working on a demonstration app that would show a bunch of how-to's.

Specifically, how to use an "admin" user and a regular user (non-admin) for login data admin (CRUD).
All...

 

This script checks for all the necessary markers to be sure your APK/AAB/SO files are 16KB page size compatible.
It has been simplified to easy usage.

What Does This Check?​

Starting with...

 

This is just a proof of concept to show that Device A behave like a server hosting a database and Device B connects to it accessing the "shared" database. It is a response to this question...

 

You can find the OSMDroid library thread here: http://www.b4x.com/forum/additional...tes/16309-osmdroid-mapview-b4a.html#post92643.

AIM: Create and initialize a...

 

This example is based on the Lotti Library by DonManfred found here. (It still works)

Lotti

This is a wrap for this Github project. Lottie ...|https://www.b4x.com Author: DonManfred Version: 3.4 LottieAnimationView Functions: addAnimatorListener (listener As Animator.AnimatorListener) addAnimatorUpdateListener (updateListener As ValueAnimator.AnimatorUpdateListener)...

www.b4x.com

I tried it on 16kb android 15 emulator and...

 

This is B4XPages example for LOTTIE implementation on Android (B4A), iOS (B4I) and Desktop (B4J)

B4A Implementation
Uses AXrLottie. Download the library and dependencies...

 

*** This is a trick, a discovery by @aeric, really very useful ***

[B4A-B4J-B4i]

[This is a long post but the process is much simpler than it...

 

The #CustomBuildAction attribute allows running external programs during the compilation process.
The syntax is:

#CustomBuildAction <compilation step>, command to run, zero or more arguments...

 

Comment Links

Code comments can include clickable links. The following schemes are supported:

http(s):// - Link will be...

 

GitHub - AnywhereSoftware/B4X_Forum_Resources: Source code and other resources from B4X programming forum

Source code and other resources from B4X programming forum - AnywhereSoftware/B4X_Forum_Resources

github.com

Experimental version.

Libraries, tutorials and code snippets were inserted into github. First post only. Includes data from...

 

A cross platform version is available here: https://www.b4x.com/android/forum/t...g-or-collapsing-xcustomlistview-items.106148/

This...

 

Many have gotten the information about their Apps not aligned with the 16KB. Here is how to check which specific libraries are causing the issue

Note: You have to check for each app individually...

 

This is a B4i and B4A example, which demonstrates various external files related tasks.

The behavior is not exactly the same as the platforms capabilities and behavior...

 

This is a cross platform example that adds CKEditor rich text editor using WebView: https://ckeditor.com/ckeditor-5/
Make sure to read CKEditor licensing and pricing...