build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply from: "config.gradle"
buildscript {

    repositories {
        google()
        jcenter()
        maven { url 'https://maven.google.com' }
        mavenCentral() // add repository
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.1'
        //避免butterKnife在library中使用出现id冲突
        classpath 'org.greenrobot:greendao-gradle-plugin:3.2.2' // add plugin
        classpath 'org.aspectj:aspectjtools:1.8.9'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
        maven { url "https://jitpack.io" }
    }
}

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