Android Mobile Multimedia Public Security Data Forensics System

With the increasing of social science and technology progress,from the first hand-held mobile phone,evolved to mobile phone with no operating system,and then to the current smart phones with operating system,with the highest utilization rate of the Android mobile phone,its birth has greatly changed the human way of life, provides great convenience for human life,but at the same time, also be effective crime tool.This article will focus on the multimedia data acquisition in Android mobile, introduces the storage structure of the mobile phone, multimedia data search, data and file uploads and downloads, wifi database and file system stored on server and mapping, contains mobile client with Android operating system and PC server side with Windows operating system,includes all aspects of the application of software engineering practice, is a comprehensive application of software technology, reflect the software technology in the practical application value in the field of engineering. For intelligent crime, people should use high-tech means,carry on the forecast, shock and defense, in a sentence, there should be according to the can depend on, guarantee the fairness and equality of the punishment.Therefore, needing the opponent machine information to carry on obtains evidence analytical, is the electronics evidence with legal effect the effective cellular phone information, among them, with the data information of the multi-media document of cellular phone content is biggest.After actual test and application,to develop a authority have the legal effect of the Android mobile multimedia acquisition system is very necessary, to carry out the criminal reconnaissance, effectively reduce the time to solve the difficulty and solve.