根据报错提示：最低兼容版本api 1低于v7兼容类库的api 7，找到app的gradle发现设置了最低兼容9，并不是1啊.
android { ... defaultConfig { minSdkVersion 10 targetSdkVersion 19 } ... }完美搞定 perfect
android { ... defaultConfig { minSdkVersion 10 targetSdkVersion 19 } ... }
uses-sdk:minSdkVersion 1 cannot be smaller than version 4 declared in library [com.android.support:sup
原文：http://www.cnblogs.com/dubo-/p/6623443.html
