A desktop build packages Mac applications as DMG files which is a common distribution format for Mac applications. You end up with the standard drag to install interface familiar from native Mac applications.
On Windows an EXE or an MSI file can be generated as a result, this is determined by build hints.
Under the hood the binaries on both platforms include a JRE within the installer. This is internal to the app and isn’t exposed to the user. The JRE is private to the app.
This is implemented thru the standard Java packager tool from the JDK. The Java packager tool requires a Mac for Mac apps and a Windows machine for Windows apps. This isn’t a problem with Codename One as we have build servers for both OS’s.
Notice that even though these are desktop builds the apps will still look like Codename One apps and often look like tablet apps. This isn’t a problem for some developers and we already use this internally. Our new GUI builder is built completely in Codename One and demonstrates the flexibility that this approach can deliver.
Notice that this tool doesn’t generate a website, it generates something that feels like an app. For some use cases this is better but you should check the feel of our demo applications first before making choices.
Graphics and the whole UI are rendered thru the HTML5 Canvas API which draws the elements on the browser just like it would draw them on a mobile device.
I didn’t mention the UWP port before, UWP stands for Universal Windows Platform and it’s the new approach for Native Windows supported by Microsoft. These 3 platforms have a lot of overlap between them and some users choose to target all 3 of them. However, your millage may vary so here is a brief comparison.
The UWP port uses C# as the native language. Notice that this is the UWP variant of C# which has a few restrictions and limitations.
You can debug desktop behavior right in the simulator by picking the builtin Desktop skin. This skin is resizable and allows you to isolate behaviors that occur only in a resizable app.
Thanks for watching, I hope you found this helpful
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