"WARNING: QApplication was not created in the main() thread." on Android

When running any example with qtcreator on android (like the textureinsgnode example), the following message appears in the logcat messages:

11-27 11:09:45.547: W/Qt(32577): kernel/qcoreapplication.cpp:420 (QCoreApplicationPrivate::QCoreApplicationPrivate(int&, char**, uint)): WARNING: QApplication was not created in the main() thread.