Flutter学习经历（一） * Error running Gradle

1、挂VPN

2、换源

    repositories {
//        google()
//        jcenter()
        maven { url 'https://maven.aliyun.com/repository/google' }
        maven { url 'https://maven.aliyun.com/repository/jcenter' }
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public'}

        maven { url "https://storage.googleapis.com/download.flutter.io" }
    }

allprojects {
    repositories {
//        google()
//        jcenter()
        maven { url 'https://maven.aliyun.com/repository/google' }
        maven { url 'https://maven.aliyun.com/repository/jcenter' }
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public'}
    }
}

maven{ url 'https://maven.aliyun.com/repository/google' }
maven{ url 'https://maven.aliyun.com/repository/jcenter' }
maven{ url 'http://maven.aliyun.com/nexus/content/groups/public' }