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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
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(free) - Arduino, ESP8266 and ESP32 development
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B4A - Android
Android Questions
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Libraries developers questions
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Problema Packege importe okhttp3 not exist
jsaplication.mobile
Jun 27, 2022
Replies
0
Views
2K
Jun 27, 2022
jsaplication.mobile
Java bound mismatch , The type is not a valid substitute for the bounded parameter
PABLO2013
Jun 14, 2022
Replies
3
Views
4K
Jun 14, 2022
PABLO2013
Locked
notification builder library gives the channel ID not set
Rasoull
Jun 6, 2022
Replies
1
Views
1K
Jun 6, 2022
Erel
R
Woosim printer
rogel a. tolentino
May 29, 2022
Replies
2
Views
2K
May 29, 2022
aeric
Manage long operations without blocking main thread
max123
May 17, 2022
2
Replies
20
Views
4K
May 23, 2022
max123
Error generating, xml ,eclipse, javac
PABLO2013
May 18, 2022
Replies
11
Views
2K
May 18, 2022
PABLO2013
R
java.lang.UnsatisfiedLinkError ... couldn't find "libserial_port.so
RonkyOne
May 16, 2022
Replies
2
Views
3K
May 17, 2022
RonkyOne
R
S
How to use androidx.activity.result.ActivityResultRegistry in B4A
sareban
Apr 25, 2022
Replies
3
Views
2K
Apr 25, 2022
sareban
S
Error: java.lang.NullPointerException: Attempt to invoke virtual method...
watesoft
Mar 31, 2022
Replies
1
Views
7K
Apr 24, 2022
watesoft
Raise events to a different module in Java
max123
Apr 20, 2022
Replies
7
Views
2K
Apr 21, 2022
max123
C
nanoHTTPD
Chebu
Apr 13, 2022
Replies
5
Views
1K
Apr 14, 2022
jahswant
S
Compile ExoPlayer with SLC but no stan.jar
sea1812
Apr 7, 2022
Replies
4
Views
1K
Apr 8, 2022
sea1812
S
Can FirebaseNotificationsService.java be used a a start for extending a Service?
DonManfred
Apr 5, 2022
Replies
2
Views
828
Apr 5, 2022
DonManfred
Classes and the ba object
greenpepper7
Mar 27, 2022
Replies
1
Views
1K
Mar 28, 2022
greenpepper7
(Solved - for now) getResourceAsStream
Johan Schoeman
Feb 26, 2022
Replies
2
Views
1K
Feb 26, 2022
Johan Schoeman
Augmented Reality Library
XverhelstX
Aug 12, 2011
Replies
11
Views
10K
Feb 25, 2022
amorosik
onNewIntent
Johan Schoeman
Feb 24, 2022
Replies
1
Views
1K
Feb 24, 2022
Erel
lambda expressions are not supported in -source 7
Johan Schoeman
Feb 2, 2022
Replies
8
Views
3K
Feb 3, 2022
Johan Schoeman
Sunmi Wrapper for NFC tag reader
jbaillie2461
Jan 27, 2022
Replies
3
Views
2K
Jan 31, 2022
jbaillie2461
Locked
[B4A] Invalid salt revision error using BCrypt
snich
Jan 20, 2022
Replies
1
Views
1K
Jan 20, 2022
Erel
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B4A - Android
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