The master page uses the List Viewer to dynamically generate the table of customer summary information from on-device data. It also uses the List Viewer to allow the user to sort the customer information on any one of three columns by tapping on a column header. To make it easier for the user to locate the customer of interest, it also supports filtering the customer list, When the user taps within a row for a particular customer, information necessary to maintain the application state is passed to the detail page, which displays more detailed information on the selected customer.