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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
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B4A - Android
Android Questions
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Youtube Player lib problem
achank
Nov 9, 2025
Replies
0
Views
307
Nov 9, 2025
achank
Locked
class file for android.arch.lifecycle.LifecycleOwner not found
Johan Schoeman
Sep 18, 2018
Replies
3
Views
4K
Oct 18, 2025
DonManfred
E
Ayuda con carpeta en eclipse (Help with folder in Eclipse)
Enxix
Aug 31, 2025
Replies
1
Views
512
Sep 1, 2025
Erel
E
Help!
Enxix
Jul 23, 2025
Replies
4
Views
779
Jul 29, 2025
Enxix
E
Help to convert VLC library and use it in B4A
nedium
Jul 24, 2025
Replies
3
Views
631
Jul 24, 2025
DonManfred
JTS library is not working any more.
gvoulg
Jul 13, 2025
Replies
0
Views
476
Jul 13, 2025
gvoulg
i need "b4xdialog" library but can not find anywhere ! please help me
rahemdavari
May 22, 2025
Replies
3
Views
969
May 23, 2025
DonManfred
N
com.pdfjet.PDF HELP Please
NewB4JUser
May 13, 2025
Replies
0
Views
873
May 13, 2025
NewB4JUser
N
S
class file has wrong version 61.0, should be 52.0
Semendey
Apr 22, 2025
Replies
2
Views
2K
Apr 23, 2025
Semendey
S
Where to find SMB library?[Solved]
MicroDrie
Apr 21, 2025
Replies
2
Views
1K
Apr 21, 2025
MicroDrie
S
java.lang.NoClassDefFoundError - need help
Semendey
Mar 19, 2025
Replies
7
Views
2K
Apr 15, 2025
MicroDrie
S
Passing the R.id.<?????> parameter to the library BAlinphone
Semendey
Mar 28, 2025
Replies
3
Views
2K
Apr 3, 2025
Semendey
S
(SOLVED) error: constructor File in class File cannot be applied to given types
Johan Schoeman
Mar 8, 2025
Replies
1
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1K
Mar 8, 2025
Johan Schoeman
S
Need help wrapping SIP library
Semendey
Mar 7, 2025
Replies
0
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1K
Mar 7, 2025
Semendey
S
Problem creating a library
developer1414
Feb 20, 2025
Replies
2
Views
1K
Feb 20, 2025
developer1414
How to use B4X_WrapperHelper?
watesoft
Nov 12, 2024
Replies
4
Views
2K
Feb 13, 2025
watesoft
D
Wrapper for a RFID reader Impinj Octane SDK
d3vc
Jan 27, 2025
Replies
0
Views
1K
Jan 27, 2025
d3vc
D
[B4X] DBUtils CreateTable Method
Dauda Wulgo
Jan 19, 2025
Replies
2
Views
2K
Jan 19, 2025
Dauda Wulgo
java.lang.ClassCastException: WEBSRM_ResponseWrapper cannot be cast to class WEBSRM_Response
jahswant
Dec 17, 2024
Replies
8
Views
2K
Jan 12, 2025
Klerk
K
[STOP] Help me Wrap java source code library to java library run in B4A
NGUYEN TUAN ANH
Jan 9, 2025
Replies
1
Views
1K
Jan 9, 2025
DonManfred
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B4A - Android
Android Questions
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