Present android-based location and message
sharing system asks to input the personal information which
fails to protect the privacy of information, has no centralized
database which is causing the problem of data management
and portability, and one main drawback is unable to have a
secured two way communication between webserver and
android based application. And this Android-based Location
and Message Sharing System (ALMSS) is proposed for solving
above mention problem. The proposed system uses Java
programming language for android mobile user application,
PHP programming language as webserver, MySQL as external
database to store the data, JSON as intermediary between
android platform and webserver and uses symmetric
cryptography while communicating between android device
and webserver which finally assures the protection of
information.