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B4A - Android
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Android Questions
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Libraries developers questions
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1.3K
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8.1K
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8.1K
Java Question
CalendarView's CalendarLayout java.lang.NullPointerException
May 14, 2026
aeric
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One day, "Jump" or "goto" will it be possible ?
DOM85
Jul 9, 2019
2
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20
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8K
Aug 2, 2019
chompina
C
java.lang.NullPointerException: Firebase Database component is not present.
Multiverse app
Aug 2, 2019
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3
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3K
Aug 2, 2019
DonManfred
Access from module to main public sub......
Diego Marcelo Croatto
Jul 31, 2019
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3K
Aug 2, 2019
thetahsk
Resumable sub
ALBRECHT
Aug 2, 2019
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2K
Aug 2, 2019
DonManfred
D
Problem with B4A Firebase tutorial
davemorris
Jul 30, 2019
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Aug 2, 2019
davemorris
D
Google Maps tutorial
Roger Daley
Jul 31, 2019
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4K
Aug 2, 2019
Roger Daley
graph showing the progress between two times
Almora
Aug 1, 2019
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7
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2K
Aug 2, 2019
emexes
E
[SOLVED] How can I adapt the appearance of a B4XSearchTemplate?
Gabino A. de la Gala
Aug 2, 2019
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1
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Aug 2, 2019
Gabino A. de la Gala
M
AppCompat Error
M Zuhri
Aug 2, 2019
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2
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2K
Aug 2, 2019
M Zuhri
M
M
how can concatenate this api
Makumbi
Aug 2, 2019
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1
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1K
Aug 2, 2019
DonManfred
Encrypt/Decrypt uploaded files between B4X and PHP
somed3v3loper
Aug 1, 2019
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4
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3K
Aug 2, 2019
MarkusR
Hide Phonenumber in PhoneSms.Send
Alex Guerrero
Aug 2, 2019
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1
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2K
Aug 2, 2019
DonManfred
Problem with FirebaseAuth
musaso
Jul 29, 2019
2
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26
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6K
Aug 2, 2019
DonManfred
D
Bluetooth module not recvieving data sent from B4A program
dmtulsa
Jul 26, 2019
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8
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4K
Aug 2, 2019
dmtulsa
D
the parameter quetion for jRDC client
T.T Wang
Aug 1, 2019
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4
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Aug 2, 2019
T.T Wang
R
Hiding keyboard before opening overflow menu
RB Smissaert
Jul 30, 2019
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Aug 1, 2019
RB Smissaert
R
S
GPS is started or not
Scantech
Aug 1, 2019
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3
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2K
Aug 1, 2019
Scantech
S
Organizing libraries Error Parameter name: length b4a 9.30
gregorio_adrian_gimenez
Jul 31, 2019
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3
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2K
Aug 1, 2019
gregorio_adrian_gimenez
Error during compilation
dibesw
Aug 1, 2019
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3
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2K
Aug 1, 2019
dibesw
M
[Solved] B4XFloatTextField, crash on Android 4
mw71
Jul 28, 2019
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9
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Aug 1, 2019
mw71
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