Created the database to log and show the Datausage of each app'
ControllerActivity: to show the data of DataUsage/NotificationDetails
A basic DatausageActivity added
DataService: A service created to do the background work and created a DBAdapter object
Utils: this class is to write the methods which can be used commonly in all the classes
A common method to display the database in the activity
removed the methods and called from Utils class