Design And Implementation Of Youle Download Client System

All along, the development of mobile business mainly influenced and limited by mobile operators,terminal manufacturers. And with a new generation of "mobile phone platform" to come, this situation has changed. Compared with the traditional pattern, the app store model is actually a business channel between developer and consumer. It allows developers to release and sale application to customer directly. The app store model makes it easy for people into the field of mobile phone application software. Mobile phone application industry has entered a rapid, healthy development of the times. The youle download client system is emerge as the times require in this background.This software create a security manager and uses randomAccessFile to achieve system security control and HTTP such difficult problems. The youle download client system consists of five modules, home module, application module, video module, novel module and management module, realize free or paid download of Android application, Android games, movies, TV, music, novels and also realize download information and user information management and so on. Provide free or paid download resources platform for users to download mobile phone resources more convenient and fast.Based on the actual status of the mobile phone application store on the Android mobile phone, this paper analyzes the necessity development of the youle download client system, and the actual business requirements of the youle download client system; On this basis, the system’s main function are the free or paid download of Android application, Android games, movies, TV, music, novels, and download information and user information management, and so on. According to the above needs of the business, the paper put forward the system framework, system structure. And combined with drug companies marketing business status, youle download client system design in detail. In addition, this paper also discuss the key technology of system, such as system security control technology, HTTP technology and others. I am mainly responsible for analysis, design, implementation of the video module, novel module and management module.The youle download client system is currently in trial operation stage,200registered users, around50concurrent users.