大家在小的时候都玩过放大镜吧，是挺好玩的，那么有没有在手机那的玩过，现在给大家介绍一个关于android类似于放大镜的源码！-Everyone in a small time have played a magnifying glass, is very fun, then there is no play in the mobile phone, and now we introduce a Android similar to the source of the magnifying gla