Tutorials & Examples

[AI] How to generate an automated changelog for a B4A.b4xlib

• By Mashiane
• Mar 18, 2026

Hi Fam!

So i jumped into the AI wagon. As Im currently creating the B4XDaisy UIKit, i had an idea last week about creating automated changelogs about this beautiful TailwindCSS based...

 

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Turn an old Android phone into your own SMS Gateway (Firebase trigger + SENT/DELIVERED tracking)

• By scsjc
• Mar 2, 2026

Turn an Old Android Phone into Your Own SMS Gateway​

(Firebase trigger + SENT / DELIVERED tracking – Minimal example)

For a long time I was using Firebase Phone Auth to validate access...

 

Attachments

• SMS Gateway.zip

  10.7 KB · Views: 254

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Firebase Phone Authentication in B4A using WebView + WebServer (Working Example)

• By scsjc
• Feb 27, 2026

Firebase Phone Authentication in B4A using WebView + WebServer (Step-by-Step Setup)​

This example shows how to implement Firebase Phone Authentication in B4A using a WebView + remote...

 

Attachments

• firebaseauthphone_web.zip

  11.2 KB · Views: 221
• webserver.rar

  6.5 KB · Views: 246

Last edited: Feb 27, 2026

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In-App Review Class

• By Mr.Coder
• Feb 25, 2026

Hi,

This is In-App Review class :

1 - You need to install these libraries using SDK Manager :

B4X:

com.google.android.play:review
com.google.android.gms:play-services-tasks...

 

Attachments

• InAppReviewHelper.bas

  11.2 KB · Views: 235

Last edited: Feb 25, 2026

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[B4X] AS FeatureRequest - Approved and implemented requests

• By Alexander Stolte
• Nov 2, 2024

[B4X] [XUI] AS FeatureRequest [Payware]

AS FeatureRequest is a lightweight, easy-to-integrate library that allows you to present a list of potential features to your users, enabling them to vote on the ones they find most valuable. By collecting and prioritizing user feedback, you can accelerate the development of the most desired...

www.b4x.com

In this example I show how easy you can display 2 pages, with the features that are under development and...

 

Attachments

• AS_FeatureRequest Supabase Approved and implemented requests Example.zip

  181.8 KB · Views: 607

Last edited: Dec 17, 2024

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[B4X] Firebase Push Notifications 2023+

• By Erel
• Jun 26, 2023

Google has deprecated the previous method of sending push notifications. It will stop working on June 2024.
If you have an already working solution then you only need to update the B4J side. Do...

 

Attachments

• B4J-SendingTool.zip

  1.8 KB · Views: 2,186
• PushClients.zip

  16.2 KB · Views: 408

Last edited: Feb 11, 2026

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Get rid of faulty row in table SQLite_Master

• By RB Smissaert
• Jan 20, 2026

After running some faulty code I ended up with a faulty entry in the SQLite SQLite_Master table.
This was a table name called NON_CLINICAL.db.JOURNEYS. This name is faulty and was causing
all...

 

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Google Play store - Info for new individual developers

• By Tony Tetley
• Jan 7, 2026

You are probably aware that the play store has new requirements for new individual developers to publish an app.

Having been through the grinder to get my simple app published, I wanted to share...

 

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B4X Forum Search Tool - Command Line Search for AI Assistants & Developers

• By Jack Cole
• Jan 4, 2026

I created a simple Node.js tool that searches the B4X forums directly from the command line. It's particularly useful when working with AI coding assistants like Claude Code, Codex CLI, Cursor, or...

 

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[B4X] B4X Forum Repository

• By Erel
• Aug 13, 2025

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...

 

Attachments

• ForumExtractor.zip

  4.4 KB · Views: 478

Last edited: Aug 20, 2025

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[B4X] DateUtils - Simplifies Date and Time Calculations

• By Erel
• Feb 12, 2013

DateUtils is a code module with a set of useful date and time related methods.
It complements DateTime api, it doesn't replace it.

The methods included in DateUtils:

B4X:

'Calculates the period...

 

Last edited: Feb 7, 2021

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Libraries that do not support 16kb alignment?

• By mcqueccu
• Aug 29, 2025

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...

 

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Google Authorization – Fix for ClearTokenRequest Class Not Found Error

• By Mehrzad238
• Nov 21, 2025

If you are using this example:

Google Authorization with AuthorizationClient

Might encounter this error:

B4X:

Clearing token cache
Error occurred on line: 0 (GoogleAuthorization)...

 

Last edited: Nov 21, 2025

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[B4A] [B4XPages] OSM Maps / FusedLocationProviderClient GMS

• By Harris
• May 5, 2024

May 4, 2024 - Start of tutorial post...

Based on:

Open Street Map viewer - GPS

Hi, This b4Xlib contains a custom view (cvMap) which can display Open Street Map. The tiles are retrieved from the internet and cached in a database. You can add shapes and images on the map. UI : - Lat/lng Center of the map - Zoom Level - Compass Direction with rotation - Scale - Button...

www.b4x.com

The original project was based on the GPS object /...

 

Last edited: May 7, 2024

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Android 16KB Page Size Compatibility Checker

• By mcqueccu
• Oct 7, 2025

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...

 

Last edited: Oct 8, 2025

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Android Live Wallpaper tutorial

• By Erel
• Nov 15, 2011

The user can set live wallpapers by long pressing on the home screen and choosing Wallpapers - Live Wallpapers.
Creating a live wallpaper is not too difficult.
A service is responsible for...

 

Attachments

• WallpaperExample.zip

  18 KB · Views: 455

Last edited: Nov 18, 2025

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"Stick Header" CLV Demo

• By Mark Stuart
• Nov 1, 2025

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...

 

Attachments

• CLV_StickyHeader.zip

  9.2 KB · Views: 333
• HomePosition.jpg

  77.7 KB · Views: 541
• ScrolledToMarch.jpg

  77.5 KB · Views: 594

Last edited: Nov 1, 2025

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Less back and forth with your smartphone and PC

• By Matt S.
• Oct 31, 2025

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...

 

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Debugging your app on real phone without USB cable or B4A bridge

• By Matt S.
• Oct 16, 2025

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...

 

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[XUI] CustomListView with floating titles

• By Erel
• Jan 4, 2018

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...

 

Attachments

• CLV_FloatingTitle.zip

  9.4 KB · Views: 1,683

Last edited: Apr 21, 2020

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