B4X Programming Forum

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B4A - Android

Android Questions

Please post any technical question in this forum.
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Erel
Android Question [B4X] Find all reachable ips in the local network - GetHostName trouble. How to get MacAddress?
  • Erel

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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68.6K
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Blueforcer
B4A Library LlamaEngine - Local LLMs

Code Snippets

A place to share useful code snippets.
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891
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Xfood
Android Code Snippet External Storage Extras
  • Xfood

Bugs & wishlist

The place to discuss bugs and missing features.
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fungms
Wish Using java project

Share Your Creations

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Xfood
Share My Creation Complete Source Code: Checkers Game in B4XPages [Source Code Sale]
  • Xfood

B4i - iOS

iOS Questions

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Erel
iOS Question How to delete all keychain entries for an app, even if they are unknown?
  • Erel

iOS Tutorials

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174
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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
Messages
501
Messages
501
Y
iOS Code Snippet WiFi info with NEHotspotNetwork

iOS Bugs & Wishlist

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758
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3K
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Lucas Siqueira
Bug? [Solved] Invalid Swift Support - The SwiftSupport folder is missing

iOS Share Your Creations

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

B4J - Desktop, Server and Raspberry Pi

B4J Questions

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90.4K
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Daestrum
B4J Question SetThreadRequest / GetThreadRequest

B4J Tutorials

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957
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peacemaker
B4J Tutorial Creating Linux DEB-package for GUI B4J app

B4J Libraries & Classes

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815
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zed
B4J Library SVGConverter – BMP/PNG to SVG
  • zed

B4J Code Snippets

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590
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Erel
B4J Code Snippet DBQuery - Execute query and get all results as a table
  • Erel

B4J Bugs & Wishlist

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

B4J Share Your Creations

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745
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Mashiane
Share My Creation [Web] FamilyTree developed with SithasoDaisy5

B4R - Arduino, ESP8266 and ESP32

B4R Questions

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13.3K
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zed
B4R Question CallSubPlus(variableString....) Not possible at all?
  • zed

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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923
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923
Peter Simpson
B4R Library Adafruit_Neopixel - Based on V1.15.2 (Release date 15/10/2025)

B4R Code Snippets

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133
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382
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382
M
B4R Code Snippet D-PID: Alternative PID algorithm

B4R Bugs & Wishlist

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260
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aeric
Wish Stop IDE from compiling if no device detected

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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3.3K
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3.3K
MrKim
Business Continuity - UK Based
  • MrKim

🐢👩‍🏫 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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1.3K
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
Messages
431
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431
aeric
My Web Development Overview

Game Development

Game development related questions and discussions
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368
Messages
3.3K
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3.3K
max123
Games The first playable 3D game developed with WebGL library

Chit Chat

The place for open discussions.
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45K
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Robert Valentino
"Google ends its 30 percent app store fee and welcomes third-party app stores"

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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3.7K
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3.7K
Beja
Android/Arduino small projects for (US -based engineer)

More Languages

Italian Forum

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59.6K
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Fulvio75
Italian Copia di files in download

German Forum

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15.9K
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MrKim
German Alternative zum PlayStore
  • MrKim

Spanish Forum

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19.6K
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josejad
Spanish SQL, me borra cosa rara

French Forum

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697
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4K
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fgh3966
French application pour autre plateforme ( question modifiée )

Portuguese Forum

Threads
215
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976
Messages
976
Claudio Oliveira
Uma duvida com o Xml2Map

Chinese Forum

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

Even More Languages

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D
Как в приложении B4A получить ответ от Websocket сервера?

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