build.gradle

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

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

        google()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.2.2'
        classpath 'com.google.ar.sceneform:plugin:1.17.1'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

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

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

ext {
    compileSdkVersion = 29
    minSdkVersion = 28
    targetSdkVersion = compileSdkVersion

    appCompatVersion = "1.1.0-alpha01"
}