Abstract
With the 4G promotion of fourth-generation conmmunications technology,
wireless bandwidth and transmission speed have been improved
significantly.At the same time, with the increasing contact need between
people, mobile phone is one indispensable for people lives. As the basic
function of mobile phone— communication, contacts has play an important
role. However,hundreds of communications wore haphazard displayed ，
thousands of text messages and phone records without induction and the
process in the use of operation is extremely inconvenient，difficult to
manage such information. So it is urgent to design and implement one system
to help manage our contacts．
Based on the background discuss above，the dissertation starts from
the Android system features，and focuses on the design and implementation
of this Contact Information Management(CIM)System．The design, including
functions od storage, deletion, head revision, phone calls, messages
sending and other functions, to meet user demand for contacts. The design
of the contacts follows the standard development process, the first needs
analysis, and then determine the function of the contacts, then write the
code, the debugger, run the program, and procedures to optimize the sound.
This software provides a variety of components to design the interface,
can support the user experience.
Key Words： Android; Contact; Java
