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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
Android Questions
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Libraries developers questions
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java.lang.NoClassDefFoundError
walterf25
Apr 18, 2014
2
Replies
24
Views
4K
Apr 21, 2014
walterf25
Custom View compiled as Library
LucaMs
Jan 22, 2014
2
Replies
24
Views
5K
Jan 27, 2014
LucaMs
G
b4a lib from .jar
George Anifantakis
Oct 18, 2013
2
Replies
24
Views
6K
Oct 29, 2013
Erel
Call a Java function when user close B4J
max123
Dec 3, 2022
2
Replies
24
Views
3K
Dec 7, 2022
max123
IMPORTANT NOTICE about libraries license
Erel
Nov 12, 2011
2
Replies
23
Views
12K
Aug 31, 2014
frasier
F
Spinner change Adapter
warwound
May 2, 2014
2
Replies
23
Views
13K
Apr 28, 2017
warwound
Create a wrapper library with Android Studio
corwin42
Aug 16, 2017
2
Replies
22
Views
21K
Aug 31, 2018
Paolo Pini
Z
QR code scanning
zmrcic
Apr 14, 2023
2
Replies
22
Views
11K
Apr 21, 2023
Johan Schoeman
Referncing wrapped libs
HotShoe
May 12, 2012
2
Replies
21
Views
6K
Jul 31, 2012
warwound
warning - Tag @see: can't find setScaleType(ScaleType)
somed3v3loper
May 2, 2016
2
Replies
21
Views
3K
May 3, 2016
somed3v3loper
DropBox Library attempt
thedesolatesoul
Aug 8, 2011
2
Replies
21
Views
6K
Nov 25, 2012
spezialmaterie
S
Manage long operations without blocking main thread
max123
May 17, 2022
2
Replies
20
Views
4K
May 23, 2022
max123
G
Activity From eclipse
giuseppe909090
Aug 9, 2012
2
Replies
20
Views
4K
Aug 20, 2012
giuseppe909090
G
Raw2BMP
XverhelstX
Jun 27, 2011
2
Replies
20
Views
7K
Jun 30, 2011
XverhelstX
[SOLVED] Question on the inner workings of an Android app
alwaysbusy
May 16, 2017
2
Replies
20
Views
4K
May 24, 2017
alwaysbusy
Help with ScrollView
derez
Mar 27, 2012
2
Replies
20
Views
6K
Mar 29, 2012
derez
Third-party VPN library import error
laomms
Nov 9, 2020
2
Replies
20
Views
4K
Nov 24, 2020
laomms
E
Event in java and use in the B4A
electro179
Mar 10, 2013
Replies
19
Views
3K
Mar 28, 2013
electro179
E
How to create library that extends Service and has Abstract Public Methods
barx
Aug 4, 2013
Replies
19
Views
5K
Aug 21, 2013
bitstra
B
My First Library (testflightapp wrapper)
marcel
Nov 18, 2013
Replies
19
Views
4K
Nov 25, 2014
marcel
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B4A - Android
Android Questions
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