b4j

  1. V

    B4J Question Error JPOI

    Hello everyone, I've been using B4J for a while, but now i run into problems. I wrote a module that reads MT940 files. That works very well so far. The problem is that I have to write the balances of the bank accounts into an existing EXCEL file. In the development environment it works...
  2. V

    German JPOI

    Hallo Alle Zusammen, bin zwar schon eine Zeitlang mit B4J zu Gange, aber das erste Mal auf Probleme gestoßen. Ich habe ein Modul geschrieben, dass MT940 Dateien ausliest. Das funktioniert soweit gut. Das Problem ist nun, dass ich die Salden der Bankkonten in eine existierende EXCEL-Datei...
  3. K

    B4J Question Http job fails after building standalone package

    Hi All, I am fetching the current date from "https://www.timeapi.io/api/Time/current/zone?timeZone=Asia/Kolkata" API. The http job works perfectly when the project run in b4j IDE, but when after building to standalone package, http job always fails. attached the zip project for reference and...
  4. mohsyn

    Share My Creation [Tools] Code Sort v1.0

    This is my first attempt at B4J Apps. I wanted to write a tool to help me with organizing/sorting functions for my b4a apps. It can help you: 1. Sort Subroutines in lexicographical order (when you have too many subs which are in your code in no order) 2. Or order of your choice ( keeping...
  5. I

    Android Question Android and PC Communication over Bluetooth

    Can I have Sample Code for the communication between Mobile and PC over bluetooth. Also is it possible to connect multiple mobile devices with one PC Bluetooth app. If possible plese provide sample code.
  6. HassanProgrammer

    B4J Question How to use b4j on vps?

    Hello I want to use b4j on vps for the first time. I want to create a clip making program with b4a so that the user sends a series of information such as photos, text, etc. to the server and this information will be sent to b4j. In b4j and on the server, a series of changes may be made to the...
  7. rgarnett1955

    B4J Question B4J 64 Bit: Does this produce different executable code?

    Hi, Does the new B4J 64 bit version produce different (64 bit) code or is it just the IDE is running with 64 Bit code? Best regards Rob
  8. W

    Bug? BBCodeView throws exception if text is enclosed in square brackets (and considered an invalid tag)

    See subject and attached demo project. If BBCodeView1.Text is set to some string that contains square brackets but these don't enclose a valid tag, an exception is thrown and the BBCodeView becomes empty and further unusable (further attempts to set the text result in more RuntimeExceptions)...
  9. HassanProgrammer

    B4J Question SetDOMStorageEnabled method

    Hello I had previously encountered such a problem in Android that when loading a specific link in Webview I encountered the following error: TypeError: Cannot read properties of null (reading 'getItem') in https://Example.com/main-es2015.ef2fddc41b098271fdb4.js (Line: 1) But I solved the problem...
  10. Patent

    B4J Question wrong height in nested xCLV ?

    Dear community, what occurs if i am dragging the MainForm Right-Window-Bound to let me say 5 Pixels wider? I'm not thinking of the MainForm Resize Event. What happens internaly? Is it possible to do that "magic things" manually? Because of: If i do this resizing with the mouse, the layout of...
  11. Y

    Bug? B4XFloatTextFied.TextField.SetTextAlignment failed in

    Hi, in b4j this command causes boot to fail FtUser.TextField.SetTextAlignment("TOP","RIGHT") FtUser is B4XFloatTextFiel. How to solve this problem?
  12. Noble

    B4J Question Remote RPi Survive Power Outage Reboot

    I have a couple RPi's running remotely. Seldom is there a reboot. When there is I have to reload the program using B4J. My question is How can I have the Raspberry Pi start with the bridge running and Load the last program that I loaded to it when it reboots. I have been using /etc/rc.local...
  13. Richard Goh

    B4J Question Standalone Package Crashed When Run

    I had below error when running B4J standalone package but it's was running well on B4J debug or release mode. Any advice? D:\Dev\Admin\Objects\temp\build\bin>java.exe @release_java_modules.txt -m b4j/xxx.xxx.xxx.main Feb 26, 2022 8:02:24 AM com.mchange.v2.log.MLog INFO: MLog clients using java...
  14. Magma

    Share My Creation EasyCode - Form/B4XTable Generator with no writting code [B4A] [B4J]

    Well, I ve decided to create a Form-View Generator (B4J - B4A)... that creates Forms with B4XTable + with no writing code at all... The Designer is in B4J (like FormBuilder), the produced code/files working at B4A too !!! Well.. after one month of programming... I want to share / sell my...
  15. yo3ggx

    B4J Question Cannot set button border through CSS

    Hello, I'm using the following css file: .button { -fx-background-color: linear-gradient(#707070, #101010); -fx-border-radius: 10; -fx-background-radius: 10; -fx-text-fill: cyan; -fx-border-width: 2; -fx-faint-focus-color: cyan; -fx-focus-color: cyan; }...
  16. Schakalaka

    Italian Progettazione programma B4J per controllo green Pass

    Buongiorno, sto ideando un progetto in B4J per controllare il green pass della ditta dove lavoro. Io l' ho ideato cosi: Creo un db Sql locale con la tabella dei dipendenti esempio: tbl_users -> id -> matricola -> nominativo -> Identificativo univoco del certificato -> data vaccinazione...
  17. H

    I Hate Regex, Part 2

    When people say they hate RegEx, they don't mean they hate RegEx itself, they usually hate the syntax and morphology of RegEx. That is why it is such a controversial topic. The functionality of RegEx is useful, although internally it is quite dirty with rules that allow some ambiguity and...
  18. red30

    B4J Question Working with RS-485 to Ethernet converter in B4J

    I have an RS-485 line on which several devices are present. At the end of this line is an RS-485 to USB converter. When I insert this converter into a PC, it is defined as a COM port and I work with these devices using the "Serial" and "AsyncStreams" libraries sp.Initialize("")...
  19. Marvel

    B4J Code Snippet Creating Jigsaw Puzzles (B4XPages)

    This is a very crude version of the code I'm using in a project to create a jigsaw puzzle. What it basically does is cut square images into jigsaw pieces. It's not very cleaned up, but feel free to use and extend as you want. What you can do with this code: Specify the puzzle row/column...
  20. B

    B4J Question [B4J] how to get widows desktop folder, ie: "C:\Users\abc\Desktop"

    i have searched in the forum for a while, but not found. Thanks!
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