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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.
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406.9K
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Sub-forums
Libraries developers questions
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Android Question
Windows 10 Copilot
Yesterday at 9:54 PM
JackKirk
Tutorials & Examples
Android development starts here.
Please do not post questions in this sub-forum.
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28.4K
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28.4K
Android Tutorial
App Bundle - Publishing NEW apps using AAB to play store with New keystore
Yesterday at 9:07 AM
Beja
Additional libraries, classes and official updates
Users contributed libraries, classes and official updates.
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68.3K
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Old Libraries Archive
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B4A Library
🚀Gemini Lib! 🧠
Yesterday at 3:10 PM
fernando1987
Code Snippets
A place to share useful code snippets.
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772
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C
Android Code Snippet
SMS verification without permission (Android 8+)
Yesterday at 4:46 PM
Cristian Achim
Bugs & wishlist
The place to discuss bugs and missing features.
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26.1K
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Bug?
missing warning for duplicate case
Yesterday at 9:37 PM
Alessandro71
Share Your Creations
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14.8K
Share My Creation
[B4X]FOOD HUNTER V3 (4 IN 1) [ADMIN APP,CLIENT APP,DELIVERY BOY APP,SERVER APP]
Yesterday at 7:11 PM
jahswant
B4i - iOS
iOS Questions
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iOS Question
ITMS-91053: Missing API declaration
Yesterday at 11:15 AM
Filippo
iOS Tutorials
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T
iOS Tutorial
B4X Help Viewer
Yesterday at 8:17 PM
Tim Chapman
iOS Libraries
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208
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B4i Library
[class] Altimeter
Mar 7, 2024
Erel
iOS Code Snippets
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128
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467
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467
iOS Code Snippet
Setting TextView links colors
Mar 10, 2024
Erel
iOS Bugs & Wishlist
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715
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2.8K
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D
Bug?
IOS 17.4
Mar 12, 2024
Davisbc
iOS Share Your Creations
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155
Messages
862
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862
Share My Creation
CleanTasks - a minimalist to-do list
Mar 4, 2024
Alexander Stolte
B4J - Desktop, Server and Raspberry Pi
B4J Questions
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81.9K
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81.9K
B4J Question
[ Jserver ] I have questions about threadsafe in code modules and about my room search algorithm
Yesterday at 8:44 PM
Waldemar Lima
B4J Tutorials
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791
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7.3K
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7.3K
B4J Tutorial
Run B4J java and javafx Applications on ARM64 Computers
Friday at 8:00 PM
aminoacid
B4J Libraries & Classes
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687
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11.2K
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11.2K
B4J Library
[Web][ABMaterial] Framework for WebApps
Friday at 9:20 PM
Harris
B4J Code Snippets
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460
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1.7K
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P
B4J Code Snippet
Folder size
Mar 12, 2024
PaulMeuris
B4J Bugs & Wishlist
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5.1K
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P
Wish
Make B4J B4xPages MDI
Mar 6, 2024
PaulMeuris
B4J Share Your Creations
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581
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5K
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Share My Creation
AI image generation - A girl in a tulip field
Sunday at 2:20 AM
Beja
B4R - Arduino, ESP8266 and ESP32
B4R Questions
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12.2K
Sub-forums
Sub-forums
Libraries developers questions
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B4R Question
Problem with WiFi.ConnectAsync
Yesterday at 6:07 AM
Erel
B4R Tutorials
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200
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1.2K
T
B4R Tutorial
Provisioning: Start Access point, display it's Wifi credentials as a Wifi-QRCode (can be scanned by any phone)
Feb 27, 2024
thetrueman
B4R Libraries
Additional libraries
Threads
135
Messages
833
Messages
833
Other
Updates to internal libraries
Yesterday at 6:15 AM
Erel
B4R Code Snippets
Threads
118
Messages
348
Messages
348
B4R Code Snippet
Useful defines
Feb 29, 2024
Daestrum
B4R Bugs & Wishlist
Threads
247
Messages
1K
Messages
1K
L
Bug?
[Board selector] error
Today at 12:38 AM
Lee Ingram
B4R Share Your Creations
Threads
105
Messages
332
Messages
332
Share My Creation
Big clock
Feb 26, 2024
vali khandangoll
General
The Business Forum
The place for business (ads, sales, money, ...) related questions and tips.
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430
Messages
3.3K
Messages
3.3K
When using AdMob, what are the chances of actually making money?
Mar 6, 2024
andymc
🐢 👩🏫 👨🏫 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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104
Messages
1.1K
Messages
1.1K
P
Libraries documentation viewer: the XML files...
Saturday at 10:12 AM
PaulMeuris
Share Your B4X Story
What are you using B4X for? What have you learnt along the way?
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45
Messages
422
Messages
422
I often say Erel saved my life… Here's why...
Dec 28, 2023
Theera
Game Development
Game development related questions and discussions
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351
Messages
3.2K
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3.2K
Games
How important is it to support higher refresh rates screens?
Yesterday at 10:37 PM
andymc
Chit Chat
The place for open discussions.
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41K
Messages
41K
Major Internet outage in some African countries
Yesterday at 8:53 PM
rabbitBUSH
Forum Discussion
Please post any question or idea regarding the forum here.
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909
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5.7K
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5.7K
Inner Join Mysql JRDC2
Yesterday at 5:48 AM
Erel
Job Offers
Do you have a job offer / project for developers? Post it here.
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825
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3.6K
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3.6K
B4A/B4I Mobile App Development
Yesterday at 5:00 PM
Valentino.b
More Languages
Italian Forum
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56.4K
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Italian
List perde i valori
Yesterday at 11:06 AM
LucaMs
German Forum
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German Tutorials
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German
Notification abfangen
Thursday at 8:03 AM
bonap
Spanish Forum
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19K
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Spanish
duda con B4XPages
Saturday at 9:11 PM
Rubsanpe
French Forum
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French Tutorials
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French
AStream_NewData et données non régulières
Mar 11, 2024
emexes
Portuguese Forum
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205
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953
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953
T
Arquivo de Configuração
Mar 1, 2024
Tomas Binn
Chinese Forum
Threads
237
Messages
761
Sub-forums
Sub-forums
Chinese Tutorials
Messages
761
O
求助:sub B4XPage_Created signature does not match expected signature
Mar 6, 2024
Oliver Simith
Even More Languages
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302
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Sub-forums
Russian Forum
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Messages
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[บทเรียน,B4A] การขึ้นทะเบียนแอพ google play
Saturday at 9:07 AM
Theera
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Latest libraries
rESP8266WiFi
By: Erel
version: 1.59
Platforms: B4R
B4XIndexOfObject
By: Sagenut - LucaMs
version: 1.00
Platforms: B4A, B4i, B4J
SD_XUIView2
By: Star-Dust
version: 0.14
Platforms: B4A, B4i, B4J
MediaView
By: Erel
version: 1.03
Platforms: B4J
AS_TextFieldAdvanced
By: Alexander Stolte
version: 1.38
Platforms: B4A, B4i, B4J
SD_NativeAccess
By: Star-Dust
version: 1.05
Platforms: B4J
Index
Latest posts
L
Bug?
[Board selector] error
Latest: Lee Ingram
Today at 12:38 AM
B4R Bugs & Wishlist
Games
How important is it to support higher refresh rates screens?
Latest: andymc
Yesterday at 10:37 PM
Game Development
Android Question
Windows 10 Copilot
Latest: JackKirk
Yesterday at 9:54 PM
Android Questions
Bug?
missing warning for duplicate case
Latest: Alessandro71
Yesterday at 9:37 PM
Bugs & wishlist
Android Question
Error with Firebase Auth (java.lang.NoClassDefFoundError: Failed resolution of: Lkotlin/jvm/internal/Intrinsics;)
Latest: Erel
Yesterday at 9:19 PM
Android Questions
Major Internet outage in some African countries
Latest: rabbitBUSH
Yesterday at 8:53 PM
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