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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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Android Question
B4A v3.00 seems to crash DBRequestManager (RDC)
Fifi Donkor
Oct 14, 2013
Answers
13
Views
6K
Mar 3, 2014
Erel
Determine SQL-Cipher-database encryption
BlueVision
Mar 2, 2014
Answers
2
Views
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Mar 3, 2014
BlueVision
J
Unlock code for lite versions of apps
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Mar 2, 2014
Answers
1
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Mar 3, 2014
Erel
Converting Farenheit to Celcius formula
JakeBullet70
Feb 28, 2014
Answers
5
Views
2K
Mar 3, 2014
giga
U
Detect incoming phone call?
unba1300
Mar 2, 2014
Answers
6
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7K
Mar 3, 2014
mangojack
Adding a datafile to an application
Sannie72
Mar 1, 2014
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2
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1K
Mar 2, 2014
Sannie72
List.RemoveAt Problem
caccas
Mar 2, 2014
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6
Views
3K
Mar 2, 2014
caccas
Strange layout behavior
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Mar 2, 2014
Answers
8
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2K
Mar 2, 2014
Slacker
Whats the best way to organize code for many activity pages?
Steve Miller
Feb 27, 2014
Answers
6
Views
2K
Mar 2, 2014
Steve Miller
Project got corrupted. Rebuilding and am now getting this error.
Steve Miller
Mar 2, 2014
Answers
3
Views
1K
Mar 2, 2014
Steve Miller
Application and Activity launch by NFC
adrianstanescu85
Feb 18, 2014
Answers
11
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5K
Mar 2, 2014
adrianstanescu85
R
Building and deploying JavaFX Applications for android?!
rboeck
Feb 13, 2014
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7
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2K
Mar 2, 2014
Swissmade
"Feedback" system - best practices
micheleBr
Feb 28, 2014
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1
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1K
Mar 2, 2014
Erel
E
X25CRC Checksum
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Feb 28, 2014
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2
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4K
Mar 2, 2014
erickwesz
E
Y
APNR
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Feb 28, 2014
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1
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2K
Mar 2, 2014
Erel
D
Serial + Bluetooth
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Feb 18, 2014
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6
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Mar 2, 2014
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service communication bluetooth
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Mar 1, 2014
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2
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1K
Mar 2, 2014
Erel
T
Display a single byte on the screen using images for 1's and 0's
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Mar 2, 2014
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3
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Mar 2, 2014
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A
Date dialog
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Sep 27, 2013
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Mar 2, 2014
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Q
WHY conditions of If MUST be ONE line ?
qkb 75
Mar 1, 2014
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1K
Mar 2, 2014
qkb 75
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