B4X Programming Forum

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B4A - Android

Android Questions

Please post any technical question in this forum.
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Sergio Castellari
Android Question Re-Iniciando con B4X despues de 3 años

Tutorials & Examples

Android development starts here. Please do not post questions in this sub-forum.
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scsjc
Android Example Firebase Phone Authentication in B4A using WebView + WebServer (Working Example)

Additional libraries, classes and official updates

Users contributed libraries, classes and official updates.
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Mashiane
B4A Library [B4X] [B4A] B4XDaisy UI Kit - Native Components inspired by DaisyUI & Tailwind

Code Snippets

A place to share useful code snippets.
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888
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asales
Android Code Snippet Adaptive Icons - simple instructions and tips

Bugs & wishlist

The place to discuss bugs and missing features.
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LucaMs
Wish B4X Event generation

Share Your Creations

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Dave O
Share My Creation Check Off - reusable checklists with multi-user sync
  • Dave O

B4i - iOS

iOS Questions

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T
iOS Question Cannot create a csr file and need a mobile provisioning file.

iOS Tutorials

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Erel
iOS Tutorial CSBuilder - AttributedStrings builder

iOS Libraries

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215
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Gijsen
B4i Library Photo Browser Library

iOS Code Snippets

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140
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501
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501
Y
iOS Code Snippet WiFi info with NEHotspotNetwork

iOS Bugs & Wishlist

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757
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3K
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Erel
Bug? [RESOLVED] Version 10
  • Erel

iOS Share Your Creations

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

B4J - Desktop, Server and Raspberry Pi

B4J Questions

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LucaMs
Other B4J v10.5 BETA with integrated Code Bundle tool has been released

B4J Tutorials

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955
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Star-Dust
B4J Tutorial WABA (WhatsApp Business API)

B4J Libraries & Classes

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813
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aeric
B4J Library [Web] WebApiUtils
  • aeric

B4J Code Snippets

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D
B4J Code Snippet MapBox Maki Icons - PNG Format

B4J Bugs & Wishlist

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5.5K
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5.5K
Erel
Wish Update Packager Tips and special cases for jWebSocketClient
  • Erel

B4J Share Your Creations

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745
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aeric
Share My Creation [Project Template] User Login Server

B4R - Arduino, ESP8266 and ESP32

B4R Questions

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13.3K
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Cesar_Morisco
B4R Question MQTT port 1883 blocked on mobile networks (4G/)? Is this expected and what is the best workaround?

B4R Tutorials

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209
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peacemaker
B4R Tutorial How to calculate device's battery lifetime ?

B4R Libraries

Additional libraries
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165
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922
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922
Peter Simpson
B4R Library Adafruit_Neopixel - Based on V1.15.2 (Release date 15/10/2025)

B4R Code Snippets

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132
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381
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381
peacemaker
B4R Code Snippet [ESP32] WatchDog

B4R Bugs & Wishlist

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259
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peacemaker
Wish #include "file.bas"

B4R Share Your Creations

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148
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475
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475
Cesar_Morisco
Share My Creation I’d like to share my newest project using B4R with ESP32

General

The Business Forum

The place for business (ads, sales, money, ...) related questions and tips.
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446
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Magma
Business Continuity - UK Based

🐢👩‍🏫 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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128
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1.3K
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P
[B4A] pmMindmap: a mindmap app written in B4A for a tablet

Share Your B4X Story

What are you using B4X for? What have you learnt along the way?
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52
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431
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431
aeric
My Web Development Overview
  • aeric

Game Development

Game development related questions and discussions
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368
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3.3K
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zed
Games Kings and Pigs - X2 [B4x Game in progress]
  • zed

Chit Chat

The place for open discussions.
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44.9K
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Beja
Picture of the day
  • Beja

Forum Discussion

Please post any question or idea regarding the forum here.
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960
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Erel
Native Test Framework

Job Offers

Do you have a job offer / project for developers? Post it here.
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866
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Beja
Android/Arduino small projects for (US -based engineer)

More Languages

Italian Forum

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LucaMs
Italian Chiacchiericci

German Forum

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German Extended Advertising

Spanish Forum

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chej
Spanish SQL, me borra cosa rara
  • chej

French Forum

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C
French B4J MainForm Resize

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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242
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826
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826
aeric
B4AI：基於 B4X 的 Agent-Friendly 應用架構（個人提案）
  • aeric

Even More Languages

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O
[บทเรียน, Tool] รวมไฟล์AAR กับJAR เข้าด้วยกัน

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