Case study: Map’n Track Friends

One of the applications created is called “Map’n Track Friends” which is a location-based service application that allows users to share their location trajectory authorized persons. Figure 4 shows a person lets his two friends know his location. One of the advantages of PLASH platform is able to support different types of mobile devices without changing of application logic or server software. Server software of Map’n Track Friends simply uses authorization control services (e.g., register, login or logout, change and lookup password, or sent notification to users) provided in Service Layer to authenticate users. In Map’n Track Friends, users are able to store their trip (i.e., a set of location points) information, share their current trip information with friends, or browse and track they friends’ trip information.