Design And Implementation Of Contacts Application Based On Android

The Android system is an open mobile phone alliance (OHA) joint research and development the development of a free operating system for mobile devices. Thanks to the free open source strategy, support for users on mobile phone extensions, attracted a large number of industrial chain manufacturers and developers to join the platform.This article design and realize a contact software through researching the basic mechanism of the Android system and the habits and requirements of users using the intelligent mobile phone. Compared with the raw mobile phone application, the software can realize more practical function. Mainly includes intelligent searching, group and favorite management, out going call confirm, speed dial, auto IP dial, displaying the phone number location. For each function demand, the article analyzes the Android system technology principle and implementation strategy, in a more reasonable and effective way to realize each function module, finally to combine together, become a practical contact software.The contacts software realized in this article mainly has the following advantages: First, luxuriant user interface, different from the drab user interface with system default contacts software. Secondly, convenient contact management function, can quickly find contact, edit contact, operate group, etc. Thirdly, the rich call auxiliary function, combined with the actual situation of Chinese users, and can display telephone number ownership, automatic IP dial-up and practical function. Finally, combined with the actual situation of mobile phone hardware, software performance continuously optimize: smaller memory and CPU occupancy. As mobile phones hardware development and the Android system upgrade, the address book software more multi-function extended space and technology research direction.