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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
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Libraries developers questions
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Java Question
Youtube Player lib problem
Nov 9, 2025
achank
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host "www.google.com"
Situ LLC
Sep 27, 2025
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398
Sep 27, 2025
LucaMs
P
I would like to know the last B4A version and Android SDK version that can use DSTabLayout normally?
pos8000
Sep 26, 2025
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0
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227
Sep 26, 2025
pos8000
P
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B4a version 11.5 and Android SDK + Required Resources with Android 30
wes58
Dec 4, 2024
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Sep 26, 2025
pos8000
P
after update maven error
apti
Sep 25, 2025
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2
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343
Sep 26, 2025
mcqueccu
Car media buttons
apti
Sep 23, 2025
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1K
Sep 26, 2025
Scantech
S
PNG transparency lost after updating to B4A 13.40 (signature captured from Panel/Canvas)
Pedro Caldeira
Sep 18, 2025
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4
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612
Sep 25, 2025
Pedro Caldeira
R
Mapping Idea
RichardN
May 8, 2025
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6
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1K
Sep 25, 2025
emexes
E
[B4A/B4J] Crash B4XDialog + B4XSearchTemplate + B4XListTemplate + Lazy Loading
Elric
Sep 24, 2025
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1
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325
Sep 25, 2025
Erel
B
In-App Review Library example
bradw
Sep 23, 2025
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1
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324
Sep 25, 2025
Erel
B
StateManager of KeyValueStore for saving user preferences
beachner
Sep 22, 2025
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3
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499
Sep 25, 2025
Erel
How different to define Style in B4A's manifest file and cssutils code in B4J?
Theera
Sep 25, 2025
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0
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182
Sep 25, 2025
Theera
PhoneSms and AndroidSdk version
GiovanniPolese
Sep 22, 2025
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847
Sep 25, 2025
Erel
M
Panel rotation (setRotationY)
Mark Stuart
Sep 24, 2025
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8
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619
Sep 25, 2025
Mark Stuart
M
A
How to make CLV move smooth ?
Adamdam
Aug 2, 2024
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2K
Sep 25, 2025
Mark Stuart
M
Genymotion Emulator
Sergey_New
Sep 23, 2025
2
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24
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Sep 24, 2025
Sergey_New
W
Enable password mode
warayTek
Sep 24, 2025
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225
Sep 24, 2025
warayTek
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android.database.CursorWindowAllocationException: Cursor window allocation of 2097152 bytes failed
AHilberink
Sep 23, 2025
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2
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310
Sep 23, 2025
AHilberink
M
B4XCombobox open dropdown on same selection
Mark Stuart
Sep 23, 2025
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295
Sep 23, 2025
vinpolins
V
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SD_SQL won't connect to database server with compilation set to release but does under debug
jimseng
Sep 21, 2025
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3
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464
Sep 22, 2025
jimseng
J
B
Cannot find symbol import androidx.annotation.NonNull;
bparent
Sep 22, 2025
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1
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359
Sep 22, 2025
jkhazraji
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