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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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Sticky
[java] Libraries and multithreading
Erel
Nov 20, 2011
Replies
10
Views
24K
Feb 29, 2016
somed3v3loper
Sticky
[java] Guide - Using onActivityResult
Erel
Jan 12, 2011
Replies
9
Views
27K
Sep 25, 2016
Erel
Sticky
[java] Custom View with Designer Support (Java library)
Erel
May 7, 2013
2
3
Replies
44
Views
46K
Nov 14, 2014
Informatix
Sticky
[java] Creating libraries for B4A
Erel
Dec 8, 2010
4
5
6
Replies
111
Views
183K
Oct 15, 2016
JohnC
Sticky
[java] BA.raiseEventFromUI
Erel
May 21, 2012
Replies
2
Views
14K
Oct 1, 2012
Erel
Sticky
[java] Auto generate library documentation with xml2bb
warwound
Jun 10, 2012
2
3
Replies
40
Views
30K
Oct 9, 2021
darabon
D
{solved}java code for DisableStrictMode
DonManfred
Jan 22, 2015
Replies
3
Views
2K
Jan 22, 2015
thedesolatesoul
{solved}Adding code to the comments in java-library
DonManfred
Dec 7, 2014
Replies
0
Views
1K
Dec 7, 2014
DonManfred
{Solved/cancelled] NoSuchAlgorithmException: JKS KeyStore not available
DonManfred
Dec 5, 2018
Replies
3
Views
6K
Dec 8, 2018
DonManfred
{closed}Right way to have uppercase eventnames?
DonManfred
Jan 22, 2015
Replies
1
Views
1K
Jan 22, 2015
DonManfred
D
Locked
Poll
[to be deleted] problems with "Facebook & Twitter Provider" libraries SocialApi.jar & SocialApi.xml
dataware
Mar 17, 2017
Replies
3
Views
2K
Mar 19, 2017
Erel
[SOLVED} Add ImageView to xml layout
Johan Schoeman
Apr 1, 2017
Replies
1
Views
2K
Apr 17, 2017
Johan Schoeman
[Solved]Maven artifact not found - com.google.dagger/dagger-android-support
DonManfred
Jun 9, 2019
Replies
2
Views
3K
Jan 1, 2020
DonManfred
L
[SOLVED]How to use lib inside other libs makes in Eclipse and resolve NoClassDefFoundError
LuuizAlves
Sep 12, 2020
Replies
7
Views
2K
Sep 14, 2020
DonManfred
C
[solved]Can i use QRCodeReaderView and b4aQRcode together?
chfajardo
Sep 19, 2020
Replies
5
Views
2K
Sep 25, 2020
chfajardo
C
[solved] Wrapped object does have a ".tag" Value which i need
DonManfred
Dec 20, 2016
Replies
2
Views
1K
Dec 21, 2016
DonManfred
[solved] WebView
Johan Schoeman
Apr 17, 2017
Replies
1
Views
2K
Apr 17, 2017
Johan Schoeman
[solved] Trying to compile B4AViewEx library with SLC
Toky Olivier
May 3, 2020
Replies
4
Views
1K
May 3, 2020
Toky Olivier
[Solved] Stuck with onActivityResult
vpires
Mar 27, 2014
Replies
10
Views
4K
Feb 28, 2017
alwaysbusy
[SOLVED] Simple Library Compiler - XML not created
joaquinortiz
Jan 20, 2021
Replies
2
Views
1K
Jan 21, 2021
joaquinortiz
[SOLVED] Question on the inner workings of an Android app
alwaysbusy
May 16, 2017
2
Replies
20
Views
4K
May 24, 2017
alwaysbusy
[SOLVED] Problem with JavaObecjt RunMethod
Star-Dust
Mar 17, 2018
Replies
1
Views
2K
Mar 17, 2018
Star-Dust
[SOLVED] Problem with Java
Star-Dust
Mar 9, 2018
Replies
4
Views
1K
Mar 11, 2018
Star-Dust
[Solved] PreviewCallback
Johan Schoeman
Jul 16, 2016
Replies
3
Views
1K
Jul 16, 2016
Johan Schoeman
[Solved] Manifest
Johan Schoeman
Aug 19, 2017
Replies
1
Views
1K
Aug 19, 2017
Johan Schoeman
[SOLVED] Loading a .so file
Johan Schoeman
Jul 2, 2017
Replies
11
Views
7K
Nov 7, 2018
Johan Schoeman
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B4A - Android
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