build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply from: this.file('depends.gradle') //去当前工程下找 并把该文件内容引入进来
// 根目录下的build.gradle头部加入自定义config.gradle，相当于layout布局中加入include
//apply from: "config.gradle"

buildscript {
    ext.kotlin_version = '1.3.10'

    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.6.3'
        //classpath 'com.jakewharton:butterknife-gradle-plugin:8.8.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.jakewharton:butterknife-gradle-plugin:10.2.1'
        // 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
}