dfd diagram for android base wheelchair project

M-Directory means mobile directory. The motivation to create this android application was not of concern to simplify the task and reduce the difficulties of tourists arriving in Goa, especially in the coastal area connected to the city of Mapusa, Goa District, Goa, to identify and locate Various daily services Such as restaurants, hospitals, doctors, local shops etc. The coding of the application is done by customising according to our need of the product using free Android source code of the open source license Apache. Systematic data flow planning, schema design, use case diagram and description, sequence diagram, and the appropriate user interface form key aspects of this application.