My application is made using QML+JS and I am looking to create a circular progress bar widget. I can create the circle using a QML Rectangle and settings its radius equal to its
The best way would be to use PNG file image. Because it runs faster than pure qml, particulary if you use gradient. If you want pure qml only, I didn't find anyway except if you add a custom C++ module to youproject. See http://qt-project.org/doc/qt-4.8/qml-extending.html