OCTranspoLive: A live OCTranspo GPS bus location application for ...

sActivity.Figure 9: Preferences using MyPreferencesActivity4.2 OCTranspoLive API (Server)In order to utilize the text data provided by OCTranspo two things needed to bedone.First I needed to create a database and that will be discussed in the nextsection. The second thing was to create a web based API for the Android client touse. After some discussion with Dr. White I decided HTTP requests serving backresponses in JSON was the right choice for this project. The web container used totake the requests and serve up the responses is TomCat.The API is implemented as a servlet meant to be deployed to a web container,in this case TomCat. The servlet itself is a web application that makes use of theJAX-RS, a Java API for RESTful web services. The implementation of JAX-RS usedfor this project is Jersey. The way it works is by dening a path for a resource (using@Path decorator) and then implementing the HTTP methods that are needed (GET,24