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Welcome to B4X forum!
B4X is a set of simple and powerful cross platform RAD tools:
B4A
(free) - Android development
B4J
(free) - Desktop and Server development
B4i
- iOS development
B4R
(free) - Arduino, ESP8266 and ESP32 development
All developers, with any skill level, are welcome to
join the B4X community
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B4X Programming Forum
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B4A - Android
Android Questions
Please post any technical question in this forum.
Threads
71.2K
Messages
409.4K
Sub-forums
Sub-forums
Libraries developers questions
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409.4K
J
Android Question
Program smart watches
Today at 8:08 AM
js486dog
Tutorials & Examples
Android development starts here.
Please do not post questions in this sub-forum.
Threads
1.3K
Messages
28.5K
Messages
28.5K
Android Tutorial
[B4X] AS TextFieldAdvanced - TitleMode (AboveTextField, FloatText and BeforeTextField)
Friday at 11:36 PM
Alexander Stolte
Additional libraries, classes and official updates
Users contributed libraries, classes and official updates.
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2.2K
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68.5K
Sub-forums
Sub-forums
Old Libraries Archive
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P
B4A Library
[B4X] TextRecognition based on MLKit
Yesterday at 3:47 PM
personalapps
Code Snippets
A place to share useful code snippets.
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787
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4.3K
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4.3K
Android Code Snippet
[B4X] Extract the first letter of a first and last name
Thursday at 7:52 AM
TILogistic
Bugs & wishlist
The place to discuss bugs and missing features.
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6K
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26.2K
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26.2K
Wish
B4X example of "BackGround" timer
Today at 9:51 AM
Paul_
Share Your Creations
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2K
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14.9K
Messages
14.9K
Share My Creation
Call Recorder - Material Design
Saturday at 6:57 PM
ilan
B4i - iOS
iOS Questions
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9.6K
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50.6K
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50.6K
iOS Question
Hosted Builder error: iOS 17.2 Platform Not Installed
Today at 9:30 AM
Jmu5667
iOS Tutorials
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165
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2.5K
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2.5K
iOS Tutorial
ITMS-91053: Missing API declaration
Mar 28, 2024
Erel
iOS Libraries
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208
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2.8K
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2.8K
B4i Library
Updates to internal libraries
Yesterday at 1:25 PM
Erel
iOS Code Snippets
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128
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470
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470
iOS Code Snippet
InputList
Apr 30, 2024
Star-Dust
iOS Bugs & Wishlist
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716
Messages
2.8K
Messages
2.8K
Bug?
"TOP" and "BOTTOM" don't work in B4i, Solved
Apr 13, 2024
Alexander Stolte
iOS Share Your Creations
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Threads
156
Messages
874
Messages
874
Share My Creation
CleanTasks - a minimalist to-do list
Apr 25, 2024
Alexander Stolte
B4J - Desktop, Server and Raspberry Pi
B4J Questions
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82.9K
Messages
82.9K
Q
B4J Question
Easiest way to create database and run queries on it
Today at 3:37 AM
QSerg
B4J Tutorials
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803
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7.3K
Messages
7.3K
B4J Tutorial
[Web][SithasoDaisy] Mashy Teaches Mobile WebApp Development
Friday at 5:26 PM
Mashiane
B4J Libraries & Classes
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696
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11.2K
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11.2K
F
B4J Library
jRDC Hikari mix
Today at 2:10 AM
fwizardy
B4J Code Snippets
Threads
473
Messages
1.8K
Messages
1.8K
B4J Code Snippet
Detect faces with OpenCV (JavaObject)
Saturday at 7:10 AM
BeneBarros
B4J Bugs & Wishlist
Threads
1.3K
Messages
5.1K
Messages
5.1K
Y
Wish
B4JPackager11: The following error occurred when packing
Thursday at 4:20 AM
yshzsl
B4J Share Your Creations
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Threads
601
Messages
5K
Messages
5K
W
Share My Creation
wmSQLtableSync - SQL table synchronisation between two databases [Class] [Source included] [B4A] [B4J]
42 minutes ago
walt61
B4R - Arduino, ESP8266 and ESP32
B4R Questions
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12.2K
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Sub-forums
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K
B4R Question
IR send and receive
Yesterday at 4:10 PM
KiloBravo
B4R Tutorials
Threads
203
Messages
1.2K
Messages
1.2K
B4R Tutorial
Arduino-PIDController-Library
May 5, 2024
Johan Schoeman
B4R Libraries
Additional libraries
Threads
137
Messages
838
Messages
838
B4R Library
rFastPID
May 1, 2024
Johan Schoeman
B4R Code Snippets
Threads
118
Messages
352
Messages
352
B4R Code Snippet
Useful defines
Mar 25, 2024
Daestrum
B4R Bugs & Wishlist
Threads
247
Messages
1K
Messages
1K
L
Bug?
[Board selector] error
Mar 19, 2024
Lee Ingram
B4R Share Your Creations
Threads
113
Messages
353
Messages
353
Share My Creation
Staircase project
Yesterday at 10:24 AM
Erel
General
The Business Forum
The place for business (ads, sales, money, ...) related questions and tips.
Threads
434
Messages
3.4K
Messages
3.4K
E
Help Requuest for Parkinsons glove development
May 12, 2024
emexes
🐢 👩🏫 👨🏫 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.
Threads
105
Messages
1.2K
Messages
1.2K
SithasoDaisy: Mashy Teaches TailwindCSS using b4x (with eBook)
May 10, 2024
Mashiane
Share Your B4X Story
What are you using B4X for? What have you learnt along the way?
Threads
46
Messages
424
Messages
424
What I have learned about DateTime
May 7, 2024
aeric
Game Development
Game development related questions and discussions
Threads
351
Messages
3.2K
Messages
3.2K
Games
And a puzzle bobble (bubble shooter) game?
Apr 4, 2024
andymc
Chit Chat
The place for open discussions.
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4.7K
Messages
41.4K
Messages
41.4K
Anagram solving by Regex or SQL
55 minutes ago
Daestrum
Forum Discussion
Please post any question or idea regarding the forum here.
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914
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5.7K
Messages
5.7K
Android Emulator Hypervisor Driver (AEHD)
Tuesday at 4:14 AM
aeric
Job Offers
Do you have a job offer / project for developers? Post it here.
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833
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3.6K
Messages
3.6K
New DJI-library
May 5, 2024
schimanski
More Languages
Italian Forum
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56.9K
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Italian
Assistente Google
Saturday at 3:50 PM
Fulvio75
German Forum
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15.7K
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German Tutorials
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W
German
Probleme bei der Unterschriften Einfügung im PDF
May 11, 2024
Wolli013
Spanish Forum
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19.1K
Messages
19.1K
Q
Spanish
[SOLUCIÓN]Error, No se instalo la aplicación
Today at 1:14 AM
qiubox
French Forum
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647
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French Tutorials
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3.7K
J
French
MsgBox
Friday at 8:03 AM
jojo12
Portuguese Forum
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206
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958
Messages
958
M
Emulador Android para Windows?
Apr 13, 2024
MiriamPowell
Chinese Forum
Threads
237
Messages
764
Sub-forums
Sub-forums
Chinese Tutorials
Messages
764
有没有大神提供一下APK升级的代码
Mar 27, 2024
byz
Even More Languages
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322
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1.2K
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Russian Forum
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שלום עולם מי רוצה להקים סטארטאפ?
Saturday at 4:14 PM
trepdas
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Latest libraries
DocumentScanner
By: Erel
version: 1.01
Platforms: B4A
TextRecognition
By: Erel
version: 1.00
Platforms: B4A, B4i
iCPP
By: Erel
version: 1.00
Platforms: B4i
AS_TextFieldAdvanced
By: Alexander Stolte
version: 1.41
Platforms: B4A, B4i, B4J
JdashboardUI
By: farevalo210
version: 19.20
Platforms: B4J
lmB4XImageView
By: LucaMs
version: 2.20
Platforms: B4A, B4i, B4J
Index
Latest posts
W
Share My Creation
wmSQLtableSync - SQL table synchronisation between two databases [Class] [Source included] [B4A] [B4J]
Latest: walt61
42 minutes ago
B4J Share Your Creations
Anagram solving by Regex or SQL
Latest: Daestrum
55 minutes ago
Chit Chat
Wish
B4X example of "BackGround" timer
Latest: Paul_
Today at 9:51 AM
Bugs & wishlist
iOS Question
Hosted Builder error: iOS 17.2 Platform Not Installed
Latest: Jmu5667
Today at 9:30 AM
iOS Questions
ZEBRA Printer library
Latest: futurec
Today at 8:25 AM
Chit Chat
J
Android Question
Program smart watches
Latest: js486dog
Today at 8:08 AM
Android Questions
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