legado/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    ext.kotlin_version = '1.3.72'
    repositories {
        google()
        //jcenter()
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url 'http://s3.amazonaws.com/fabric-artifacts/public' }
        maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
        maven { url 'https://maven.fabric.io/public' }
        maven { url 'https://plugins.gradle.org/m2/' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.0.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'de.timfreiheit.resourceplaceholders:placeholders:0.3'
        classpath 'com.google.gms:google-services:4.3.3'
        classpath 'io.fabric.tools:gradle:1.31.2'
    }
}

allprojects {
    repositories {
        google()
        //jcenter()
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
        maven { url "https://jitpack.io" }
        maven { url 'https://maven.google.com/' }
        maven { url 'https://github.com/psiegman/mvn-repo/raw/master/releases' }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}