尊重原创 1.uses-sdk:minSdkVersion 1 cannot be smaller than version 4 declared in library [com.android.support:sup 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…