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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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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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R
(Solved) Problem with altered PickDate.b4xlib (? deprecated SetLayout)
RB Smissaert
Dec 16, 2022
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0
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1K
Dec 16, 2022
RB Smissaert
R
B4X builder - Skipping missing maven: org.jetbrains.kotlin/kotlin-stdlib
Jmu5667
Dec 14, 2022
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6
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Dec 16, 2022
Jmu5667
N
How to delete file in android 13 (File.DirInternal )
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Dec 16, 2022
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Dec 16, 2022
nickysuwandi
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J
B4XDialog title size
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F
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Dec 15, 2022
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Dec 16, 2022
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M
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B
Solved
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Bucky108
B
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How to convert diamond with a question mark to Ñ?
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Dec 15, 2022
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Dec 15, 2022
Erel
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(NullPointerException) java.lang.NullPointerException: Attempt to invoke virtual method 'void anywheresoftware.b4a.objects.NotificationWrapper.Notify(
madrigal115
Dec 14, 2022
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Dec 15, 2022
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jRDC2 server with stored procedures, I can't get values
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Dec 14, 2022
Carlos Mojica
C
Syntax for code across multiple lines
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Dec 14, 2022
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List of "Type"
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Dec 14, 2022
Moein/Rouzbah
Which view to use to request data, with vertical scroll.
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Dec 14, 2022
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Dec 14, 2022
RB Smissaert
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Solved
when i uninstall the app the files in File.DirInternal are not deleted
Pesciolina
Dec 14, 2022
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Dec 14, 2022
Pesciolina
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N
Error writing Bluetooth Manager_DataAvailable
Nicolás Cieri
Dec 13, 2022
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Dec 14, 2022
Nicolás Cieri
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