title: REST API Service : should be Bound or IntentService?
body: <p>If we define an Service to handle our REST API</p>
  
  <p>Should this service be bound or IntentService ?</p>
  
  <p>As we need to access it from many activities and need it to hold current Client-Server state attributes, I think we should choose the Bound Service, but am I right?</p>
  
  <p><strong>Summary</strong><br>
  So finally I decided to combine Singleton and Sync Adapter models. Sync Adapter for large datasets and Singleton for quering non-data calls.</p>