@Recursion

I really think I identified the actual issue now so I need help essentially getting my Xamarin service added/linked to the Qt project. I am unsure how to do this.

I followed the tutorial here and I have tried both starting up the function in the service and binding to it and neither work.

QT6 Android Services

I am pretty convinced that the problem is that in the example they created a class QtAndroidService that extends QtService. In my case I just extended Service as QtService isn't available in Xamarin/C#. The example says this should work.

Here is the thing though. In the example it executes the function for example bycalling the method startQtAndroidService located at "org/qtproject/example/qtandroidservice/QtAndroidService".

I looked at my current Qt project and its directory starts off the exact same "org.qtproject.example.myappname". I guess I must have just built the UI off an example and never changed it.

So I think this means that somehow they put the library file QtAndroidService within the Qt project.

I'm assuming its a .so file because when I currently run it I'll get back an error saying "Didn't find class "SOB.Bacon.com.backend.RunBackend.ForegroundBackendService" on path: DexPathList[[],nativeLibraryDirectories=[/system/lib, /system/vendor/lib]]". The class is still named ForegroundBackendService but its not a foreground service anymore I followed the example exactly just kept the same name I'll change it.

If I look in the /system/lib folder on the Android device it is filled with files with lib in the name ending in .so.

If I look in my SOB.Bacon project install directory on the Android device there is a lib folder. I do not see a library with the same name as my service though, the .so files that are in there seem to have nothing to do with anything other than what Xamarin needs.

So first off I do not know how to get Xamarin to generate a .so file. It will make a .dll file but that is for use by other Xamarin applications.

So I have two routes/questions:

1. Based on that example how do I link/point Qt to look for the service in a different location on the Android tablet, right now it seems to only be looking in /system/lib or /system/vendor/lib.

2. If a .so file is required, how was the other xamarin application able to execute the service, and how was ADB able to execute the service? In which case how do I make Qt execute a service that is NOT part of its own package?

Thanks a lot!

@Guest said in Qt long steep learning curve & expensive price!:

why I need to pay money for Qt guys and Felgo?! This is absolute madness!

this part caught my attention deeply. Those are companies providing a service that you may find interesting, and that may help you solve your problem(s) so why not?

I'm planning to start my own -one man- company

In that case, aren't you planning to be paid money? It looks like you'll be at the same level of Qt or Felgo right?