B4X Programming Forum

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B4A - Android

Android Questions

Please post any technical question in this forum.
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Title bar menu

Tutorials & Examples

Android development starts here. Please do not post questions in this sub-forum.
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Erel
[B4X] DateUtils - Simplifies Date and Time Calculations
  • Erel

Additional libraries, classes and official updates

Users contributed libraries, classes and official updates.
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Matt S.
Parallel Downloader Class developed using GPT-5.6 Luna

Code Snippets

A place to share useful code snippets.
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LucaMs
[B4X] [BitmapCreator] Blur Image

Bugs & wishlist

The place to discuss bugs and missing features.
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Erel
Possible Root Panel Layout Issue in Landscape Mode on Android 13 After Screen Wake-Up

Share Your Creations

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SoifGo - a free Android app built with B4A

B4i - iOS

iOS Questions

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T
Set ActionSheet to Left justified?

iOS Tutorials

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Erel
[Objective C] Writing libraries for B4i

iOS Libraries

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216
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Erel
Updates to internal libraries

iOS Code Snippets

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143
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505
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505
Segga
iOS 27 Edge-to-Edge Background Fix

iOS Bugs & Wishlist

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Erel
Portrait layout variant selected in landscape with Display Zoom enabled

iOS Share Your Creations

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M
Trackable Digital ID Maker

B4J - Desktop, Server and Raspberry Pi

B4J Questions

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GMan
Native ComboBox: change the Arroy_down icon
  • GMan

B4J Tutorials

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fernando1987
🎁🚀 NEW FREE B4J TEMPLATE — MONACO EDITOR STUDIO 🚀🎁

B4J Libraries & Classes

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866
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fernando1987
🚀🔥 jDashboardUI v24.2 — New Version Available 🔥🚀

B4J Code Snippets

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622
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GMan
Daytime-depending event (here playing MP3-file)

B4J Bugs & Wishlist

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stevel05
Designer View resize on click/drag

B4J Share Your Creations

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830
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GMan
[Tool] Manifest.txt Writer for B4XLib
  • GMan

B4R - Arduino, ESP8266 and ESP32

B4R Questions

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Erel
B4R v4.20 is available for download
  • Erel

B4R Tutorials

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211
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William Lancee
Wireless Thermometer: Low-cost Components, No Wiring, TFT Display

B4R Libraries

Additional libraries
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178
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971
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971
rwblinn
rOpen62541 (OPC UA Server)

B4R Code Snippets

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135
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392
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peacemaker
JSON Parsing

B4R Bugs & Wishlist

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261
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peacemaker
Conditional symbols operations in all IDEs: Starts, Ends, Contains

B4R Share Your Creations

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486
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Cesar_Morisco
Smart Vending Machine Project

General

The Business Forum

The place for business (ads, sales, money, ...) related questions and tips.
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fernando1987
🎉🔥 20% OFF JDASHBOARDUI v24 OFF UNTIL OCTOBER 31 2026 🔥🎉

🤖 AI is here to stay

A place to discuss topics related to AI and specifically how it helps with B4X programming.
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104
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630
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aeric
OpenCode: You have used today's free messages
  • aeric

🐢👩‍🏫 Teaching Programming with B4X

B4X is a great option for teaching programming.
This forum is intended for parents and teachers who teach or like to teach programming using B4X.
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132
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1.3K
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Marc DANIEL
New B4A remote with JoystickView

Share Your B4X Story

What are you using B4X for? What have you learnt along the way?
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53
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432
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432
Mashiane
[SithasoDaisy2] The Learner Management App & The Labour Activation Programme being ran by our Government

Game Development

Game development related questions and discussions
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371
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GMan
Box3d
  • GMan

Chit Chat

The place for open discussions.
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aeric
PakaiUI (for B4J web)
  • aeric

Forum Discussion

Please post any question or idea regarding the forum here.
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LucaMs
Server software is being upgraded

Job Offers

Do you have a job offer / project for developers? Post it here.
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Jmu5667
[Position Filled ]Web Developemt Position

More Languages

Italian Forum

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Filippo
IPTV-Player

German Forum

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Update der App

Spanish Forum

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Espinosa4
Cambiaron datos de servidor y ahora no puedo conectar con la base de datos mediante php - RESUELTO

French Forum

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Librairie inattendue

Portuguese Forum

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Cableguy
Quem está desenvolvendo em B4X com IA em 2026?

Chinese Forum

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243
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830
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aeric
Pakai Server 框架

Even More Languages

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Olaan
[บทเรียน, B4A]การสร้างB4XLib ให้รองรับR8 optimizerแทนD8 สำหรับB4A เวอร์ชัน14.2
  • Olaan

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