(: When people shop in physical stores. In order to compare the prices of products, it is usually necessary to record the product information, and then check the price information of the product in online stores or other nearby physical stores It takes time and effort. In order to manage this problem, this paper designs and implements a product price comparison system based on the Android open source mobile phone platform, so that users can understand the price information of this product in different stores at any time and anywhere. Convenient and fast. This document includes the following annexes:)
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