Design And Implementation Of MSN Messenger V7.0Client Based On Android

Today, in a variety of mobile operating system platform, the Android mobile phone operating system is more and more popular. Android is a true sense of open platform for mobile devices. For the users, it is flexible, simple, convenient and easy to use. For the developers, it is open enough, allowing individuals and manufacturers develop on the basis of application. Due to the fierce competition in the market and a gradual increase of the user requirements, the existing version cannot meet the needs of people. In view of this, combining the advantages of the Android system and domestic instant messaging system, as well as deficiencies of the previous version of MSN V6.5, it is necessary to develop the new version MSN V7.0. The MSN V7.0based on Android platform will undoubtedly become a fast growing and promising instant messaging system in the network communication.The author's works are as follows:According to the three layer of MVC framework model, this paper carried out the system architecture, the overall architecture design and detailed design and implementation on each layer of MSN V7.0from the network connection and data processing layer, MSN control layer and the UI presentation layer. Aiming at the shortage of MSN V6.5, the new version adds the function of searching contacts, Web browser embedded and optimizes the production personalization. In the network connection, it optimizes the connection speed between the client and server due to the slow response speed of the network in the previous version. After analyzing MCCP3.0(Mobile Client Communication Protocol), the paper describes the process of the network connection of the client and the server. The system is divided into different functional modules to develop. In the design of the functional modules, it describes how the client and server send and response MCCP instructions.The test operation results show that the system has completed the basic function of the previous version. It also has been well optimized in the network connection speed. In the Function of the system, the registration module, the login module, the system session are well been developed. What's more, the contact search module and the web browser embedded in the system have also been added. The users get a good operation experiences.