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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
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Java Question
First mistake when recompiling an old project
Mar 2, 2026
Sergio Castellari
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B4XComboBox1_SelectedIndexChanged in PreferencesDialog
AlfaizDev
Nov 10, 2024
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1K
Nov 10, 2024
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call a sub from java
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The following code can only slide down to the second to last line at the moment. How can I modify it to achieve this?
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Nov 10, 2024
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Vertical Label?
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FirebaseMessaging service seems to be faulty on Android 9
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Bouncing Ball (VR+raytracing)
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A
Can App. check for presence of certain Wifi ?
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926
Nov 9, 2024
drgottjr
After I unzipped Alwaysbusy's the libraies zipped file version 9.10,I don't know where to copy ans paste them to.
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Nov 9, 2024
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0
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674
Nov 9, 2024
Theera
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Some functional suggestions on the Android development tool B4A IDE
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2
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1K
Nov 8, 2024
xiaoyao
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