基于Picasso的一种图片浏览框架，相比较而言更加轻量，速度更加快。-Based on a picture frame, Picasso was relatively more lightweight, speed is more faster.

Android二维码扫描功能示例，使用精简后的Zxing框架，更轻量。(Android two dimensional code scanning function example.Using a streamlined Zxing framework, lightweight.)