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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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Test
SparkOut
Jan 9, 2026
Answers
1
Views
325
Jan 11, 2026
Erel
D
jSD_OpenMaps - EditingPolygon/EditingPolyline
Davisbc
Jan 7, 2026
Answers
10
Views
956
Jan 10, 2026
Star-Dust
M
Is it possible to read system information (CPU, RAM, temperature) in B4J without external tools?
Mania
Jan 6, 2026
Answers
6
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795
Jan 7, 2026
Mania
M
E
How to resize b4xdrawer using code?
eljare24
Dec 23, 2025
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5
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643
Jan 5, 2026
aeric
[Web][SithasoDiasy5] eCommerce / Online Store b4xTemplate - Questions & Answers
Mashiane
Jan 2, 2026
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12
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1K
Jan 4, 2026
Mashiane
If the text is too long, it will show ellipses using fx.Msgbox and JDK 23+
xulihang
Jan 3, 2026
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5
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502
Jan 4, 2026
Erel
RDC timeout
derez
Jan 1, 2026
Answers
4
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595
Jan 4, 2026
derez
R
B4J-Bridge macOS 26 (Tahoe)
RussellM72
Jan 2, 2026
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2
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518
Jan 4, 2026
Erel
D
Weird Date
Declan
Jan 4, 2026
Answers
1
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303
Jan 4, 2026
Declan
D
How to use AI systems to verify entire project code
amorosik
Sep 1, 2025
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17
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2K
Dec 30, 2025
Erel
Solved
JavaFx.swt missing
NikVogiatzis
Dec 27, 2025
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5
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717
Dec 30, 2025
Magma
L
strin.compareTo i do while loop
LukaszK
Dec 28, 2025
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567
Dec 28, 2025
LukaszK
L
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[SOLVED] b4xlib2XML - help to run source
Mashiane
Dec 27, 2025
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4
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633
Dec 28, 2025
Mashiane
How to connect B4J directly with serial port server?
amorosik
Dec 24, 2025
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7
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777
Dec 28, 2025
emexes
E
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Solved
Adding libraries
LukaszK
Dec 26, 2025
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3
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473
Dec 27, 2025
aeric
Solved
Putting HugeImageView Inside a ScrollPane
xulihang
Dec 24, 2025
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1
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562
Dec 26, 2025
xulihang
Solved
JRDC2 server IP Address
AKJammer
Dec 23, 2025
Answers
5
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588
Dec 25, 2025
aeric
J
Solved
[SOLVED] Problem with jSD_OpenMaps and B4JPackager11 Version 1.40
javiers
Dec 24, 2025
Answers
5
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501
Dec 24, 2025
javiers
J
C
Solved
CallSubDelayed timings
Chris2
Dec 23, 2025
Answers
1
Views
428
Dec 24, 2025
Erel
P
Solved
Scroll Pane
Peter Lewis
Dec 23, 2025
Answers
4
Views
681
Dec 24, 2025
TILogistic
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