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()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.2.1'
        //黄油刀
        classpath "com.jakewharton:butterknife-gradle-plugin:10.1.0"
        
        // 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' }
    }
}
/**
 * 限定所有子类xml中的资源文件的前缀
 * 注意：图片资源，限定失效，需要手动添加前缀
 * */
subprojects {
    afterEvaluate {
        android {
            resourcePrefix "${project.name}_"
        }
    }
}

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