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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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8.1K
Java Question
First mistake when recompiling an old project
Mar 2, 2026
Sergio Castellari
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Mar 26, 2021
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Mar 26, 2021
Nitin Joshi
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Proper way to check for Internet connection
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Converting B4A to B4i
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Configure Paths Fields Get Removed
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bocker77
B
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Error in this line: Starter.rp.CheckAndRequest(Starter.rp.PERMISSION_ACCESS_FINE_LOCATION)
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Reduce image into rectangle inside pdf
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Mar 19, 2021
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svitol
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Split string - wierd behaviour (at least for me)
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java.lang.StringIndexOutOfBoundsException: length=0; index=1
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E
B4ABuilder, how do i make it perform custom build action and sign with specific key?
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Mar 25, 2021
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E
[SOLVED] What is best strategy for working geofences in Android 11?
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Mar 25, 2021
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L
BeaconParser Service.StartForeground
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A
Drawer is not working on second time click
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B
Problem with Flexgrid not showing all the rows from a database
BigBoss123
Mar 25, 2021
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Mar 25, 2021
BigBoss123
B
A
b4a 10.7 does not show jtds-1.3.1.jar in library list , neither mssql-jdbc-6.2.2.jre7.jar and mssql-jdbc-6.2.2.jre8.jar
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Mar 25, 2021
abonvici
A
how to know pluged charger ?
khosrwb
Sep 17, 2014
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A
Problem with Encrypt / Decrypt
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Answers
18
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A
Print contents of B4XTable Letter paper in default printer
arana
Mar 23, 2021
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12
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4K
Mar 24, 2021
arana
A
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