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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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B4J - Desktop, Server and Raspberry Pi
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D
Hex conversion problem [SOLVED]
Didier99
Dec 8, 2025
Answers
12
Views
1K
Dec 9, 2025
Swissmade
AI generated code?
Beja
Dec 8, 2025
Answers
2
Views
478
Dec 9, 2025
Beja
Solved
[solved] Issue with jSerial v1.40 running on Linux
aminoacid
Dec 6, 2025
Answers
4
Views
961
Dec 8, 2025
aminoacid
Q
How to pass parameters in cmd to run b4j programs
qqqqw
Dec 7, 2025
Answers
1
Views
377
Dec 7, 2025
peacemaker
*.jar file not recognized in External Library path
TorontoJim
Dec 6, 2025
Answers
5
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684
Dec 6, 2025
TorontoJim
Autonomous Packages (put several apps in one installation)
virpalacios
Dec 5, 2025
Answers
3
Views
522
Dec 6, 2025
Erel
P
Solved
B4J version 10.30 error Unknown type: initialized
PaulMeuris
Dec 5, 2025
Answers
12
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1K
Dec 6, 2025
PaulMeuris
P
Java.net protocol exception (status code 103)
Kevin
Dec 2, 2025
Answers
7
Views
993
Dec 4, 2025
Kevin
P
B4J send email, question about email sender ...
Pietro Pancino
Dec 3, 2025
Answers
4
Views
730
Dec 4, 2025
Pietro Pancino
P
HttpJob in BackGroundWorker compared to PyBridge server example. Benchmark. Is it correct?
hatzisn
Dec 3, 2025
Answers
4
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660
Dec 4, 2025
hatzisn
Google Earth in Webview
schimanski
Dec 3, 2025
Answers
1
Views
407
Dec 3, 2025
Star-Dust
E
Change the resolution of Layout in B4J.
embedded
Dec 3, 2025
Answers
2
Views
685
Dec 3, 2025
Erel
SQLite Drop Tabale ERROR!
Guenter Becker
Nov 19, 2025
Answers
3
Views
657
Dec 2, 2025
Guenter Becker
Error sql.initialize (JDBC with file path)
Guenter Becker
Dec 2, 2025
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1
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380
Dec 2, 2025
Guenter Becker
combobox and textcolor
kpmais
Nov 30, 2025
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4
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663
Dec 1, 2025
PaulMeuris
P
[PyBridge] : RoundedModuleDrawer.initialize() missing 1 required positional argument: 'self'
Johan Schoeman
Nov 30, 2025
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6
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688
Nov 30, 2025
Johan Schoeman
How can I stream audio from PC1 to PC2, which are geographically distant?
amorosik
Nov 28, 2025
Answers
1
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469
Nov 28, 2025
aminoacid
jStringUtils - current library version?
bdunkleysmith
Nov 27, 2025
Answers
6
Views
992
Nov 28, 2025
aeric
H
Solved
Problems with B4J's use of certificates
hzq200409
Nov 26, 2025
Answers
5
Views
765
Nov 27, 2025
hzq200409
H
D
DirectX equivalent library
Didier99
Nov 25, 2025
Answers
4
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544
Nov 25, 2025
Didier99
D
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