build.gradle

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

buildscript {
    ext.kotlin_version = '1.3.10'

    repositories {
        google()
        jcenter()
        
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.6.1'
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"


    }
}

allprojects {
    repositories {
        google()
        jcenter()
        
    }

    //加上这些
    tasks.withType(Javadoc) {
        options{ encoding "UTF-8"
            charSet 'UTF-8'
            links "http://docs.oracle.com/javase/7/docs/api"
        }
    }

}

//注释中有汉字，需要这里处理
tasks.withType(Javadoc) {
    options {
        encoding "UTF-8"
    }
}

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