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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
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B4A - Android
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Android Questions
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Libraries developers questions
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Java Question
First mistake when recompiling an old project
Mar 2, 2026
Sergio Castellari
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Services->Recivers & Backups
mw71
Jan 26, 2024
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1K
Jan 30, 2024
Erel
A
Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE....
alexbo45
Jan 26, 2024
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Jan 30, 2024
Erel
F
Best practice with sqlite encryption
fatman
Jan 29, 2024
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Jan 29, 2024
BlueVision
S
Making a push button in b4a
sadegh-54
Jan 28, 2024
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887
Jan 29, 2024
klaus
#IncludeTitle: false Not hiding Activity title when starting app
cenyu
Jan 27, 2024
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Jan 29, 2024
cenyu
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Solved
[SOLVED] How to create a pdf table using the Printer library?
noeleon
Jan 26, 2024
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Jan 28, 2024
noeleon
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Solves a formulation of n-D space trilateration problem using a nonlinear least squares optimizer. Input: positions, distances Output: centroid with
mike1967
Jan 23, 2024
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Jan 28, 2024
mike1967
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(Closed) AS_TextFieldAdvanced1.Refresh?
anOparator
Jan 24, 2024
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Jan 27, 2024
anOparator
M
How to Call Method filterrssi In this class with javaobject ?
mike1967
Jan 26, 2024
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998
Jan 27, 2024
sirjo66
Solved
[Solved] How to create a circle like this?
asales
Jan 25, 2024
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Jan 27, 2024
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Connect recycleview to SQLite in b4a
nazarixxxxx123
Jan 24, 2024
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Jan 27, 2024
Alexander Stolte
A
SQLiteException: error code 8: attempt to write a readonly database
Alex_197
Jan 27, 2024
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Jan 27, 2024
Alex_197
A
AppUpdating Runtime Permissions problem.
techknight
Jan 9, 2024
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Jan 26, 2024
Pesciolina
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Only getting notifications if the program is active on the screen
Tim Chapman
Jan 22, 2024
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Jan 25, 2024
Tim Chapman
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help - trying to understand what to delete
Zeev Goldstein
Jan 25, 2024
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2K
Jan 25, 2024
Zeev Goldstein
Locked
B4A v12.8 is available for download
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Dec 6, 2023
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19K
Jan 25, 2024
saeid209
S
SMSPHONE no longer works?
dibesw
Jan 25, 2024
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Jan 25, 2024
dibesw
M
[Solved] Force TTS via device loudspeaker
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Jan 20, 2024
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Jan 25, 2024
mw71
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B4XTable and saving to data
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Jan 25, 2024
JonnyCav
T
autocomplete optimization
Tomas Petrus
Jan 24, 2024
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Jan 24, 2024
emexes
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