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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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[SOLVED] - Trapping the result of a permission request
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App suddenly crashing
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2K
Dec 3, 2020
nibbo
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