Hi Rondog, thanks for your help, your source code is very interesting, I will try to implement it.
My project uses MainWidget, the original version of the project (Symbian) used MainWindow.
I tell you that a week ago I heard of Qt for BlackBerry, I want to port my app. The most important functions of the app are:
The quality of the graphical interface is secondary.
Apparently Qt Creator has limitations, I will try to implement the most important functions (Send and receive SMS automatically). If I solve the problem, I will continue with the GUI, but if I have problems I'll have to start using
BlackBerry Native SDK. Thank you very much.