Can we create platform independent widgets with Qt?

[Ibrahim]

Hi; Can we create platform independent widgets with Qt 5.x?
Examples:
For Windows
For Linux
Also are they possible for Android & iOS (but they must be platform-independent)?
Thanks.

[sierdzio]

It should be possible, but you will have to write a lot of platform-dependent code to handle the desktop widgets, because there are no APIs in Qt to create desktop widgets, only applications.