Manifest merger failed : uses-sdk:minSdkVersion 16 cannot be smaller than version 17 declared in library（开发日志28）

今天项目又推进了点，所以我想试着在真机上运行一下，结果一Run，出现问题了

Manifest merger failed : uses-sdk:minSdkVersion 16 cannot be smaller than version 17 declared in library

如图：

解决办法：