B4X Programming Forum

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B4A - Android

Android Questions

Please post any technical question in this forum.
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William Lancee
Android Question [B4A][Macro] Does %STATE1% argument work in B4A?

Tutorials & Examples

Android development starts here. Please do not post questions in this sub-forum.
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1.4K
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28.9K
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Mashiane
Android Tutorial [B4X] VSCode IDE Companion: Mastering Android Development with the VS Code B4X IDE Companion

Additional libraries, classes and official updates

Users contributed libraries, classes and official updates.
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2.4K
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68.7K
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hatzisn
B4A Library [B4X] - B4A & B4i - Social Share Library

Code Snippets

A place to share useful code snippets.
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897
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4.7K
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udg
Android Code Snippet Get the expiration time from firebase JWT token
  • udg

Bugs & wishlist

The place to discuss bugs and missing features.
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mcqueccu
Wish Private Sing Key - When switching projects, the last path remains.

Share Your Creations

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Mashiane
Share My Creation [VS Code B4X IDE Companion]: Supercharging VS Code for B4X - How It Works & Why I Need It, You Might Too

B4i - iOS

iOS Questions

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10.3K
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Kevin Hartin
iOS Question What is the preferred methods to get instant Notifications on iOS just like Android?

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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Erel
B4i Library iPing - Send and receive ping (ICMP) packets

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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760
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3K
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Erel
Bug? Drawing in Imageview does not work in iOS 26

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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90.7K
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D
B4J Question Occasional crash when starting the debugger

B4J Tutorials

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tchart
B4J Tutorial PushPull - simple app to sync B4X code with GitHub
  • tchart

B4J Libraries & Classes

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821
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Guenter Becker
B4J Library jTreeViewExtended

B4J Code Snippets

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593
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2.3K
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tchart
B4J Code Snippet GitHub Push (b4x_cba)
  • tchart

B4J Bugs & Wishlist

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1.3K
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5.5K
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5.5K
W
Bug? SFtp (jsch library): if method called without initialising, the method doesn't throw an exception

B4J Share Your Creations

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767
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5.6K
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Magma
Share My Creation AI-AGENT Seller
  • Magma

B4R - Arduino, ESP8266 and ESP32

B4R Questions

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2.3K
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13.3K
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E
B4R Question AT commands

B4R Tutorials

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209
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1.3K
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1.3K
XorAndOr
B4R Tutorial Home Control 4

B4R Libraries

Additional libraries
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171
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946
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946
hatzisn
B4R Library rESPUI for esp32

B4R Code Snippets

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135
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391
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391
E
B4R Code Snippet Byte to seconds (up to 400 hours)

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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149
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480
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480
Beja
Share My Creation simulator using the DFPlayer Mini Mp3 Player

General

The Business Forum

The place for business (ads, sales, money, ...) related questions and tips.
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447
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3.3K
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3.3K
fernando1987
🚀 [UPDATE] B4X Store v2.0 - Migration Complete & Critical Fixes!

🐢👩‍🏫 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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131
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1.3K
Messages
1.3K
Marc DANIEL
Simply use an RGB LED with an ARDUINO UNO board

Share Your B4X Story

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

Game Development

Game development related questions and discussions
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368
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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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45.1K
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Filippo
I messed up my MacBookPro

Forum Discussion

Please post any question or idea regarding the forum here.
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963
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5.9K
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5.9K
A
What are the real challenges you face in custom software projects beyond MVP?

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
Lucas Siqueira
Android/Arduino small projects for (US -based engineer)

More Languages

Italian Forum

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Sabotto
Italian Chiacchiericci

German Forum

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15.9K
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b4x-de
German Datei importieren

Spanish Forum

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19.6K
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Dr_JU
Spanish [NEWBY] Un roadmap 2026 B4X
  • Dr_JU

French Forum

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698
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4K
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Sagenut
French CustomTabs

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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T
Witam Rodaków

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