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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
Please post any technical question in this forum.
Libraries developers questions
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8.1K
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8.1K
Java Question
First mistake when recompiling an old project
Mar 2, 2026
Sergio Castellari
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E
Settings are disappearing with State Manager and MIUI 12
ernschd
Sep 29, 2021
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1
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1K
Sep 30, 2021
Erel
Solved
[SOLVED] Is it possible to start & stop playing a music file with the Media Player Lib?
Mashiane
Sep 29, 2021
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5
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5K
Sep 29, 2021
stevel05
Permision Error in Android 11
khwarizmi
Sep 29, 2021
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4
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4K
Sep 29, 2021
khwarizmi
CustomKeyboard with B4XPages
Blueforcer
Sep 8, 2021
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2K
Sep 29, 2021
Blueforcer
style/Theme.IAPTheme not found
amorosik
Sep 29, 2021
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10
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5K
Sep 29, 2021
amorosik
P
Reading Title Bar Signal Strength.
potman100
Jun 20, 2018
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7
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5K
Sep 29, 2021
Nataly
N
L
File.ListFiles(File.Assets) in Debug
lip
Sep 21, 2021
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11
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4K
Sep 29, 2021
lip
L
Locked
Solved
10.7 BETA unable to compile due to signing error
Sandman
Mar 2, 2021
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7
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6K
Sep 29, 2021
f0raster0
B
Connect two phones via IP without remote server
b4a programmer
Sep 27, 2021
Answers
5
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2K
Sep 29, 2021
DonManfred
Solved
NB6 [SOLVED] - How do I stop the "custom sound playback" by clicking a button on my app?
Mashiane
Sep 29, 2021
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1
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1K
Sep 29, 2021
Erel
E
B4XDrawer and CustomListView
Eduardo Volpi
Sep 28, 2021
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1
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1K
Sep 29, 2021
Erel
strange Cursor Not initialized or Error Evaluating RowCount but Work Fine
Gianni Sassanelli
Sep 28, 2021
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1
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2K
Sep 29, 2021
Erel
M
[B4XPages][B4X] Barcode QrCode Reader not working
Mike1970
Sep 24, 2021
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7
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4K
Sep 29, 2021
Johan Schoeman
Solved
MsgBox2 text bold/italic
jeronimovilar
Sep 27, 2021
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2
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3K
Sep 29, 2021
jeronimovilar
D
Locked
Halt on Json.Parse NextArray
DickyNAS
Jun 2, 2016
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4
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2K
Sep 28, 2021
TILogistic
B4XDrawer example - 'status bar' color
Semen Matusovskiy
Jun 25, 2021
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2
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2K
Sep 28, 2021
Semen Matusovskiy
V
HttpServer lib download
vetteman
Mar 27, 2018
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11
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4K
Sep 28, 2021
Jorgelcr
J
[Solved] How do I make a Transaction in jRDC2?
Sergio Castellari
Sep 27, 2021
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2
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2K
Sep 28, 2021
Sergio Castellari
M
Connect to BLE DSD Relay board
mauro vicamini
Apr 19, 2019
Answers
14
Views
11K
Sep 28, 2021
GeorgManfred
Solved
How to make my app listed in popup menu of (from) another app for example Chrome?)?
bsnqt
Sep 26, 2021
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8
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3K
Sep 28, 2021
Erel
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