ext {
    constraintlayoutVersion = '2.0.4'
    espressoCoreVersion = '3.3.0'
    cardviewVersion = '1.0.0'
    appcompatVersion = '1.2.0'
    okhttpVersion = '4.9.0'
    materialVersion = '1.2.1'
    junitVersion = '1.1.2'
    constraintlayoutVersion1 = '2.0.3'
    junitVersion1 = '4.13.1'
}// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    repositories {
        mavenCentral()
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }//阿里云镜像服务
        maven { url "https://jitpack.io" }
        maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
        maven { url "https://maven.google.com" }
        maven { url 'https://jitpack.io' }
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.1.1'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}
allprojects {
    repositories {
        mavenCentral()
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }//阿里云镜像服务
        maven { url "https://jitpack.io" }
        maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
        maven { url "https://maven.google.com" }
        maven { url 'https://jitpack.io' }
        google()
        jcenter()

    }
}

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