关键词: Android 系统, LRU 算法, 二级缓存与异步加载

Abstract:  To enharce the service quality of the internet catering industy, to better meet the needs of customers at ang time pointmed, the research is an intelligent ordering system based on Android Studio development environment, C/ S structure, and Gradle and Genymotion development tools. This paper introduces the principle of image loading and the interaction process between activities and the background. The system has realized its functions such as menu browsing, commodity collecting, food ordering, user center and food choosing by shaking. The result of tests show that the system has a good user interaction experience and can be operated easily. And it will have an extensive application prospect.

Key words: second level cache &, LRU algorithm, async loading, Android system