build.gradle

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

buildscript {
    repositories {

        jcenter()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {

        jcenter()
        maven {
            url "https://maven.google.com"
        }
        google()
    }
    tasks.withType(Javadoc) { // 这一段是为了消除gbk的错误
        options{
            encoding "UTF-8"
            charSet 'UTF-8'
            links "http://docs.oracle.com/javase/7/docs/api"
        }
    }
}