B4X Programming Forum

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B4A - Android

Android Questions

Please post any technical question in this forum.
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sasetcolombia
Android Question code module to Cluster Marker Map

Tutorials & Examples

Android development starts here. Please do not post questions in this sub-forum.
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AnandGupta
Android Example B4Xgoodies_from_walt61 Online

Additional libraries, classes and official updates

Users contributed libraries, classes and official updates.
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O
B4A Library ZXingLib by icefairy333 - modified by Johan Schoeman (Scan QR Codes and other 1D/2D Barcodes)
  • OMS

Code Snippets

A place to share useful code snippets.
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883
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Mohamed Mbouombouo
Android Code Snippet iOS style MsgBox

Bugs & wishlist

The place to discuss bugs and missing features.
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27K
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Alain75
Wish IDE F2 key associated with phone entry

Share Your Creations

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14.5K
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14.5K
freedom2000
Share My Creation DJI motion controller

B4i - iOS

iOS Questions

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tsteward
iOS Question [SOLVED]App crashing need help tracking it down

iOS Tutorials

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174
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2.5K
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asales
iOS Tutorial [B4i] Admob Example

iOS Libraries

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215
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Erel
B4i Library iTesseract- Simple OCR
  • Erel

iOS Code Snippets

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138
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495
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495
A
iOS Code Snippet iOS 26.1 Liquid Glass

iOS Bugs & Wishlist

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749
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3K
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b4x-de
Wish Updated version of the B4i Build Server (used as Local Builder) with recent changes in libraries that are already done on Hosted Builder

iOS Share Your Creations

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156
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869
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869
jkhazraji
Share My Creation b4i : View PDF pages in an imageView

B4J - Desktop, Server and Raspberry Pi

B4J Questions

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89.8K
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P
B4J Question Scroll Pane

B4J Tutorials

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943
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8K
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Mashiane
B4J Tutorial [Web][SithasoDaisy5] Edit BJL Layout in JSON format & Convert JSON to BJL

B4J Libraries & Classes

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795
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12.3K
hibrid0
B4J Library jRDC-Multi DB with JSON handler

B4J Code Snippets

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577
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2.2K
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2.2K
LucaMs
B4J Code Snippet Center form

B4J Bugs & Wishlist

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5.5K
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5.5K
virpalacios
Wish Clean Project wish

B4J Share Your Creations

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718
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5.4K
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5.4K
fernando1987
Share My Creation 📍 ExcelRouteGen: The Ultimate Geo-Data Powerhouse 🌍

B4R - Arduino, ESP8266 and ESP32

B4R Questions

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13.3K
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13.3K
hatzisn
B4R Question From BLE to WiFi connection

B4R Tutorials

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208
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1.3K
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1.3K
hatzisn
B4R Tutorial All ESP32 modules in 2025

B4R Libraries

Additional libraries
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163
Messages
916
Messages
916
sagmill
B4R Library library for PCF8574

B4R Code Snippets

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132
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380
Messages
380
peacemaker
B4R Code Snippet [ESP MCU] Access point web-interface example: WiFi SSID, password and API URL

B4R Bugs & Wishlist

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259
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1.1K
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1.1K
peacemaker
Wish #include "file.bas"

B4R Share Your Creations

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147
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474
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474
JohnC
Share My Creation ESP32 AMOLED Watch Dev Kit on AliExpress

General

The Business Forum

The place for business (ads, sales, money, ...) related questions and tips.
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445
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3.3K
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3.3K
Erel
[closed] Looking for a B4A dev who can update a project to current SDK

🐢👩‍🏫 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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126
Messages
1.3K
Messages
1.3K
Marc DANIEL
Controlling a WS2812B LED strip connected to an ARDUINO UNO board via the Bluetooth system of an Android smartphone

Share Your B4X Story

What are you using B4X for? What have you learnt along the way?
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52
Messages
428
Messages
428
epiCode
How Lognote Helps People in Everyday Life and Work

Game Development

Game development related questions and discussions
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367
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3.3K
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3.3K
ilan
Games Multi Arcade Game (WIP)
  • ilan

Chit Chat

The place for open discussions.
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44.6K
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44.6K
aeric
Go out and build an MCP server!

Forum Discussion

Please post any question or idea regarding the forum here.
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953
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5.9K
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5.9K
Erel
Suspect some members account are compromise

Job Offers

Do you have a job offer / project for developers? Post it here.
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864
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3.7K
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3.7K
Lucas Siqueira
UK Job Opportunity

More Languages

Italian Forum

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Elric
Italian [B4A] Problemi con i permessi e Wait For
  • Elric

German Forum

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15.9K
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German Bild teilweise scrollen

Spanish Forum

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19.5K
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TILogistic
Spanish WebView.CaptureBitmap y TakeScreenshot no guardan lo que se ve en la pantalla

French Forum

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693
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3.9K
C
French affichage bannière Admob

Portuguese Forum

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215
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976
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976
Claudio Oliveira
Uma duvida com o Xml2Map

Chinese Forum

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241
Messages
806
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806
P
各位大佬,谁有B4A 的 android 28 SDK?

Even More Languages

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Z
Witam Rodaków

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