build.gradle

buildscript {
    repositories {
        maven { url 'https://jitpack.io' }
        maven {
            url 'https://maven.aliyun.com/repository/central'
            name 'central'
        }
        maven {
            url 'https://maven.aliyun.com/repository/jcenter'
            name 'jcenter'
        }
        maven {
            url 'https://maven.aliyun.com/repository/google'
            name 'Google'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.6.4'
    }
}

allprojects {
    apply plugin: "idea"
    repositories {
        maven { url 'https://jitpack.io' }
        maven {
            url 'https://maven.aliyun.com/repository/central'
            name 'central'
        }
        maven {
            url 'https://maven.aliyun.com/repository/jcenter'
            name 'jcenter'
        }
        maven {
            url 'https://maven.aliyun.com/repository/google'
            name 'Google'
        }
        flatDir {
            dirs 'libs'  // 申明本地库
        }
    }
}