1. jlerner

    iOS Question Communication error: Invalid user id

    Good morning, I am starting an app on ios and an error appears. I have the identifier and certificate provided by, both current. I also have the device registered. I followed this tutorial repeatedly and from different computers...
  2. G

    Android Question [B4A] Cannot connect to database

    Hello there, Can anyone help me? i tried to use b4a to mysql with b4j jRDC and show this error ResponseError. Reason: Failed to connect to /, Response: ERROR: Failed to connect to / The IP Addresses is...
  3. D

    Android Question error when compile mod release

    Hi, when I compile my project in debug mode is ok, but when compiling mod release I take an error: here my app code: pls help me.
  4. M

    Android Question [B4X] Barcode Reader strange behaviour

    Hi everyone, i tried out this Barcode Reader, it worked perfectly. ( I initialized my phone because it was full of junk. I tried the app reader after the process terminated, and it said "Faild to load detector"... so...

    Android Question Error with Math View Library

    Hi @Johan Schoeman i want to used MathView Library but i have problem i don't know how to fix it can you help me? i attached my problem screenshot
  6. F

    Android Question error: Source option 6 ?

    HalloZusammen, bin neu hier und versuche mich gerade mit b4A. Ich bekomme diesen Fehler angezeigt. Weiß aber nicht genau was es mit Source option 6 mit aufsicht hat. Kann mir jemand weiterhelfen?
  7. L

    Android Question Generating R File Error: Error retrieving parent for item

    Hi, I test compile my program then found this error while compiling: But this is the error when using the Dark theme (Modify Manifest file). This is the error when using the Light theme (Default). Also, You can see it's the same error. And I already install Java JDK 8 and Android 10.0 (Q) SDK...
  8. M

    iOS Question XUI Views Example NOT installable

    Hi, i tried to run the example of XUI views from @Erel but i can't install it. iPhone prompts me that the "B4i Example" App must be updated by the developer, and let me choose from "delete" or "store". But i can't open it. Why this happends?
  9. S

    Android Question Error debug SQLCHIPER

    I have a B4A app where i using sqlchiper version 1.50 and try to run into emulator api28 but have this error: adb: failed to install SecureAccountManager_RAPID_DEBUG.apk: Failure [INSTALL_FAILED_NO_MATCHING_ABIS: Failed to extract native libraries, res=-113] I want to use new library of...
  10. naldoxable

    Bug? [SOLVED] Received fatal alert: protocol_version

    Dear @Erel, I'm experiencing issues using my app with jOkHttpUtils2 outside B4J if I build the standalone package. I have already read other posts in this forum but I'm not sure how to proceed. I'm using the last version of B4J with openJDK 11 as written in the installation guide. I'm using...
  11. Programing Center

    Android Question Return All Error

    hi all i want to create button to when person click it, my program send all error of my application to my server. waht should i do? if i use 'LastException' it give me all error or no? what should i coding?
  12. 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...
  13. 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
  14. 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...
  15. 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>(
  16. 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...
  17. 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...
  18. 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. ;)
  19. 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...
  20. 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...