For the desktop version of Sunago, we defined an API that would allow third-party developers (or ourselves) to add support for an arbitrary social network to Sunago. That was a great goal for the desktop, and it's a great goal for mobile. Fortunately, Android provides us with a mechanism that can be used to do just that: Services. A Service is an application component representing either an application's desire to perform a longer-running operation while not interacting with the user or to supply functionality for other applications to use. While services were designed for more than extensibility, we can leverage this facility to that end.
While there are a number of ways to implement and interact with services, we are going ...
