build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = "1.6.0"
    repositories {
        maven { url 'https://repo1.maven.org/maven2/' }
        maven { url 'https://www.jitpack.io' }
        mavenCentral()
        google()

        maven { url 'https://maven.aliyun.com/repository/central' }
        maven { url 'https://maven.aliyun.com/repository/google' }
        maven { url 'https://maven.aliyun.com/repository/jcenter' }
        maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:7.1.2'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "com.google.protobuf:protobuf-gradle-plugin:0.8.19"
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}