1. amorosik

    Italian [B4X] Come realizzare routine centralizzata per gestione errori?

    Come fareste per racchiudere in zona unica la gestione errori di tutte le routine del programma? Vorrei realizzare un modulo decidato a contenere il codice per gestire gli errori rilevati nelle altre routine del programma La prima idea che mi viene in mente e' l'inserimento di un try/catch su...
  2. M

    Android Question SdkManager Error

    Hi everyone, today i opened B4A (after updating all thing to the newest versions), and when i went to the B4A SdkManager i got this What does it mean? I already downloaded from the website the last sdk and resources Thanks in advance
  3. MitchBu

    Bug? Why is my app crashing in 10.2

    My app is working just fine in B4A 10, but in 10.2, I get the java error below. I am not versed enough in the Java errors to find out what may be going on. Is there any way to know where I should look in my B4A code ? java.lang.NoClassDefFoundError: Failed resolution of...
  4. K

    Android Question Sqlite android.database.CursorWindowAllocationException

    I'm getting this error again. Error occurred on line: 479 (MysqlEntrySync) android.database.CursorWindowAllocationException: Cursor window allocation of 2097152 bytes failed. # Open Cursors=920 (# cursors opened by this proc=920) at android.database.CursorWindow.<init>(
  5. F

    German Error Message "Ein Fehler trat auf Der angegebene Schlüssel war nicht im Wörterbuch vorhanden"

    Good Morning, i have this error message for about 5 days when I open my program "Ein Fehler trat auf Der angegebene Schlüssel war nicht im Wörterbuch vorhanden". When I edit the b4a file with an editor you can see that the file is not empty. I can always save the file as normal. Does anyone...
  6. U

    Android Question Generating R file Error

    Hi! I installed B4A on my laptop today and I'm trying to Release a previous project of mine. I've downloaded JDK and SDK and installed them from here. now when I'm trying to compile my app this error is showing: Generating R file. Error AndroidManifest.xml: error: Unable to open file for...
  7. joko0124

    Android Question Attributes already been defined

    Hello there! Just got an error on appcompat, don't know what this exactly. I've already tried to remove the lines specified but then many errors appears after removing those line. Anybody please explain to me further. Sorry for my bad english. ;)
  8. S

    Android Question Error:Access to the path 'C:\Users\saeed\Dropbox\My_Android_PROG_NEW\MyClock\Objects\classes.dex' is denied.

    When I compile program it gives the error Access to the path 'C:\Users\saeed\Dropbox\My_Android_PROG_NEW\MyClock\Objects\classes.dex' is denied. I try to restart computer same error I try to previously complied without error same error is coming please help me. I do not know but I try to install...
  9. U

    Italian Errore libreria Reflection

    Salve a tutti, ho scoperto B4A da meno di un mese e sto seguendo un corso online. Quindi considerate che ho delle basi della programmazione ma non sono assolutamente un esperto. Il mio scopo è quello di creare una app per la mia attività. Purtroppo però non riesco a proseguire il corso online...
  10. A

    Android Question invalid ad request in admob google

    I have the following code Sub Globals 'These global variables will be redeclared each time the activity is created. 'These variables can only be accessed from this module. Dim AdView1 As AdView End Sub Sub Activity_Create(FirstTime As Boolean) 'Do not forget to load the layout...
  11. M

    Android Question KingsMentor Barcode QrCode Scanner - Not Working

    Hi everyone, i'm trying to find a GOOD and simple barcode scanner, similar to the one we have on iOS. I found this library from @Johan Schoeman that seems to do the job, since i've to scan code39 and qrcode. I don't know why... but in this period i'm struggling with Android. The library gives me...
  12. M

    iOS Question UDP sending error data in Release mode

    Hi everyone, i'm trying to use UDP to send packets, but i'm getting some errors. I tried this code on an iPhoneXR and it works in debug and also in release(last os version)... i tried the same code on an iPhone6 but when it is in release it doesn't work I need to send a packet, and then wait...
  13. saeed10051

    Android Question initialize error for list

    Hi, i am declaring a list in Process sub global and initializing it in Sub Activity_Create(FirstTime As Boolean) List1.Initialize List1.AddAll(Array As Int(1, 2, 3, 4, 5,6,7,8,9,10)) if i run following code in activity create, it runs fine For i = 0 To 9 Log(List1.Get(i)) Next however if i...
  14. I

    Android Question Geolocation Error

    Good afternoon, I would appreciate your help as the Geolocation V1.11 library is generating an error, this error occurs on some devices with Android 7 and 8. This Code Use Sub Activity_Create (FirstTime As Boolean) 'Do not forget to load the layout file created with the visual designer. For...
  15. K

    Android Question Upload Error on Server When App Crash

    Can I upload Crash Log on mysql server when App Crash? I tried like this ::: Sub Application_Error (Error As Exception, StackTrace As String) As Boolean Dim http As HttpJob http.Initialize("temp",Me) Dim post As String post = "errorlog=" & "testing" http.PostString(url...
  16. P

    Android Question Amazon Appstore: Invalid apk

    Hello. I've been trying to upload my app on the amazon appstore but it returns "Invalid APK" I read on their forums that maybe your apk is missing Version Code and Version Name attribute. Try adding #VersionName and #VersionCode in the build.gradle file. OK, but how do i add them when i'm not...
  17. M

    Android Question Errors opening SDK Manager - can't compile anymore.

    Hi i opened the sdk manager to upgrade but this showed up And if i compile show this:
  18. Carlos marin

    iOS Question Error: ** BUILD FAILED ** - XUI VIEWS (SOLVED)

    Hello guys. I try to use a chat module shared by Erel (, but when I try to compile the application, I get the following error: The following build commands failed: CompileC...
  19. P

    Android Question App crashes without any error

    Hello my app was working fine until i came to work on it but there was an error -> Maven artifact not found: (It was working before this error) So i opened sdk manager and selected AND...
  20. M

    iOS Question Local Mac Builder triggers iCloud error

    hi everyone, i noticed that when I run the b4iBuilder on my mac, in 4/5 minutes iCloud got an error saying that my apple id can't connect to it, and requires my password, i type it in and says "Unknown error"... that's annoying.. this happens to someone else?