cross platform

Hi all, after I developed some platform dependant libraries (B4A and B4J) now is time to try develop a cross platform library that works on multiple platforms. On this direction, I have developed two libraries, one for B4A and one for B4J, they do the same things apart that do in a different...

In the attached image, how do I programmatically change the unused area (the red circled white area) of CustomListView?

Hi everyone I had the necessity to create a specific looking color picker. And I managed to get it working properly so I want to share it because it can be usefult to someone who have the same need. The color picker bar look like so: I realized it using all b4x elements, so it should be fully...

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...

I've been struggling with this code for quite sometime in order to make it cross-platform compatible. b4j label as shown in B4XPagesCrossPlatformProjectsV2_1.pdf documentation is as follows: HERE all labels are shown to be compatible across platforms but in actual there are some properties...

Which way should I use to get images from gallery? I want the default gallery application to open when I click a button and I can select one or more photos and add them to the CustomListView. Is such a B4X code possible? To make it cross-platform. On iOS there is an iMedia library that will call...

Hello Erel, you have done an excellent job with B4X! When possible, include in B4A, B4I, B4J a button to create project [B4X] B4XPages - Cross platform, so for those who start in b4x it would be faster to start a project. Another suggestion is in the event B4XPages.AddPage (_, _) I could...

This is not an official tutorial and is just one option for developing cross platform apps with b4x. I have found it to work very well in creating cross platform apps that share their code base almost entirely. I have developed cross platform apps with other frameworks, but I am the most...

Hi, I am new to B4X and am trying to build a desktop (Windows, Mac and Android), Apple (iPhone and iPad), Android (Phone and Tablet). I understand that I will need to create the UI in B4I, B4J and B4A but I will have lots of logic that needs to be shared between the different B4? products but...

I recently discovered B4XView and its possibilities to share code between platforms. Though this is a great improvement, I have 1 issue that I cannot solve with my knowledge of today. For Android I declare and initialize my controls in the activity, for iOS I do this in my page. Then I pass...