b4j

Hi, I'm using Inno Setup Compiler 6.2.2 with B4J Build Standalone Package and I'm going crazy trying to figure out the following: My program includes a number of screens whose layouts are set up in Designer but whose elements are repositioned programmatically. After I run the Build Standalone...

Hi @Earl, I am currently working on building a cross-platform project for B4A and B4J. Previously, I had completed the same project fully for B4A and it had good results. When I decided to work on the project for Windows, I used B4X instead. The issue I am facing is with retrieving data from an...

Hello. I've build a B4J library using Eclipse. Some native libraries are used inside the library jar file. In a test application (directly in Eclipse), everything is working as expected. I added the library jar file in the External libraries folder in B4J (including the library containing the...

Hi all, I need some help understanding how to use a standar B4J class in an ABMaterial project, basically I have a project where I have a written a class that opens a Serial Port and starts receiving data from a device, This all works perfect so far, until I navigate to a different page, the...

Hi, need idea (best practice) how to create user friendly input in B4J desktop app which will allow user to input WORKORDERS. On first level user will input a "head" (=production order) which will contains customer ID, date, description, ... On second level user should create many workorders...

Especially noticeable when reading from a not-very-small workbook, even if it just contains multiple sheets with some tens of thousands of rows. Slow method that opens the workbook multiple times (and, I guess, reads it/interprets its XML completely each time to load it into memory): Dim...

hi I have many users connecting to the server, the server side is written with b4j and I want to connect them one by one, what libraries can I use for this?

Hello Everyone! I 'm new to B4x and I'm trying to create an app using B4XPages. I want to change the visibility of some buttons based on a certain value (done that). Moreover I want those buttons rearranged, so that the visible buttons would look better. For example if i had 5 Buttons and only...

Hello, Since 24-02-2023, I have problem with Google map library for all my project in B4j . the screen is white. So, I have tested with the example project "GoogleMapDemo" to be sure that the problem is not my API key, and I have the same problem. It seems that the problem is when the pane to...

Hi All. I picked up programming in B4A again after a few years and I have started to use B4J also. For my current project I use B4XPages, B4XTable and SQLite. I have searched the forums and looked at the teaching guides, but can't find the answer to the next question : How can I make B4XTable...

Attached the test project and the screenshot. The code is just this: Dim ListTemplate As B4XListTemplate Dim dlg As B4XDialog dlg.Initialize(MainForm.RootPane) dlg.Title = "Title - this is default font 12" dlg.TitleBarFont = xui.createDefaultFont(12)...

As I don't use SQLite (or any other SQL) all the time and am no database expert, it's always a bit of a challenge to get the SELECT syntax right, specifically when relationships between tables (JOINs) come into play. There's that, and the fact that it was fun to develop (and I wanted to have the...

This is a mini template engine which can generate HTML dynamically by parsing templates on server-side. It is a bit like Django. 1. Templates A template is a text file which contains variables, tags. 1.1 Variable There are two types of template variables, one is common variable, the other is...

This Year Planner View is my first effort at a custom view! It depends on jXUI, XUI Views, & B4XCollections. It displays every day in the selected year and returns the clicked day(s). A bunch of Designer Script Extensions are used to keep everything neat as the form is resized (credit to @Erel...

Hello I am building a browser with b4a for Android and b4j for Windows. I really don't know if it will be profitable to use Admob ads or to add vip subscription! That's why I ask a few questions, please answer them: 1- In addition to Android, will it be possible to use AdMob in b4j? 2- Can I...

Hi there, i ask ChatCPT to write a function to log into PayPal Account get the transactions and write them to a file. It should use a fakeApi Key for the example..... Sub LoginToPaypalAndGetTransactions(apiKey As String) 'Create a new HttpRequest Dim request As HttpRequest...

Hi, This class cPDF.bas (version 0.6 - 2024-01-03) generate PDF File with limited fonctionnalities (but enough for me) Add pages with different paper size (use constants or custom size) PDF standards font (Courier, Helvetica, Times, Symbol and Zapfdingbats), style (Normal, Bold, Italic...

Hi. I wonder if it would be easy to differentiate icon before listed subs (in modules tree) to distinguish private subs from public subs. Just a thought. Anyway, IDE is great. Andreas.

When the main form is resized, I'd like the B4XDialog to be resized as well. However, I have the impression it just moves so that it remains centered on the form, and its dimensions don't change? Test project attached, and thanks in advance for any tips!

Hi, I'm having a lot of issues with my McAfee Anti-Virus and Malwarebytes quarantining my apps. It`s quarantining standalone apps, and now I`m trying to get my app to print to a printer (in debug mode) its quarantining that too. I do understand as Java is trying to open other windows and...