build.gradle

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

buildscript {
    ext.kotlin_version = '1.1.3-2'
    repositories {
        jcenter()
        mavenCentral()
        maven { url 'https://plugins.gradle.org/m2/' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.3'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'org.greenrobot:greendao-gradle-plugin:3.2.2'
        classpath "io.realm:realm-gradle-plugin:2.2.1"
        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8' // 添加的部分
        classpath 'com.jakewharton:butterknife-gradle-plugin:8.4.0'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
        maven { url "https://jitpack.io" }
        maven { url "https://dl.bintray.com/wangyuwei/maven" }
        maven {
            url "http://maven.aliyun.com/nexus/content/repositories/releases"
        }
    }
}

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