react native Could not determine the dependencies of task_rn could not determine the dependencies of task ':

Could not determine the dependencies of task ':react-native-image-crop-picker:compileDebugAidl' ...........

安装react-native-image-crop-picker 插件的时候Could not find com.github.yalantis:ucrop:2.2.1-native，因为缺少maven源，
解决方法：/android/build.gradle 下, 有的时候因为添加了阿里云，又设置了代理，还会出现 read time out，就需要将阿里云镜像源去掉了

allprojects {
    repositories {
        mavenLocal()
        google()
        jcenter()
        maven {
            // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
            url "$rootDir/../node_modules/react-native/android"
        }
        maven{
            url "https://jitpack.io"
        }
        maven{
            url 'https://maven.google.com/'
            name 'Google'
        }
    }
}