Police Mobile Query System Based On J2me Technology Design

With the continued popularity of the all sorts of digtal information devices which are represented by mobile hansets, more and more mobile value-added services have been to the market.People are more eager to get a mobile with more advanced functions except talking to somebody by it. These requirements make the embedded application design of mobile become a hot research.This paper mainly uses the independent mobile development platform -J2ME and MIDP2.0. and according to current job for police in china. designs a"mobile imformation query system for police". By using mobile ,Police can do all sorts of query job such as"person query","vehicle query"and"mobile query"and so on .This system not only realizes the convenience of police-job , but impove the work efficiency.This paper analysis and discusses the new fuctions of J2ME and MIDP2.0 .And analysis the whole framework of this system on the base of having introduced J2ME architecture. At last , paper discusses the design and implementation method of client-MIDlet and Server-Servlet.