The Status Shout! example application demonstrates the use of social media (in this case, Twitter and Facebook), OAuth authentication, and posting status update messages with images.
The Status Shout! application uses the [http://projects.developer.nokia.com/socialconnect the Social Connect QML Plug-in], which handles authentication of the application to different social media and can be easily utilised in other applications. The application also uses the official Qt Quick Components for navigation and UI.
This example is hosted in Nokia Developer Projects, where you can find additional documentation, discover recent revisions, and contribute to the project.