build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.2.2"

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

plugins {
    id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
}

allprojects {
    repositories {
        maven { url 'https://maven.google.com' }
        mavenCentral()
    }
}

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

ext["signing.keyId"] = ''
ext["signing.password"] = ''
ext["signing.key"] = ''
ext["sonatypeStagingProfileId"] = ''
ext["ossrhUsername"] = ''
ext["ossrhPassword"] = ''

File secretPropsFile = project.rootProject.file('local.properties')
Properties p = new Properties()
new FileInputStream(secretPropsFile).withCloseable { is -> p.load(is) }
p.each { name, value -> ext[name] = value }

nexusPublishing {
    repositories {
        sonatype {
            stagingProfileId = rootProject.ext["sonatypeStagingProfileId"]
            username = rootProject.ext["ossrhUsername"]
            password = rootProject.ext["ossrhPassword"]
            nexusUrl.set(uri("https://s01.oss.sonatype.org/service/local/"))
            snapshotRepositoryUrl.set(uri("https://s01.oss.sonatype.org/content/repositories/snapshots/"))
        }
    }
}