build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply from: "config.gradle"

buildscript {
    
    repositories {
        // maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.5.2'
        classpath 'com.novoda:bintray-release:0.9.1'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        // maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
        google()
        jcenter()
        maven { url "https://jitpack.io" }
    }

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

}

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

// 处理support版本和build tools版本的问题，如果运行没有问题则无需配置
configurations.all {
    resolutionStrategy.eachDependency { DependencyResolveDetails details ->
        def requested = details.requested
        if (requested.group == "com.android.support") {
            if (!requested.name.startsWith("multidex")) {
                details.useVersion "28.+"
            }
        }
    }
}