build.gradle

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

buildscript {
    repositories {
        maven { url "https://maven.google.com" }
        jcenter()
        google()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.5.3'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        maven { url "https://maven.google.com" }
        jcenter()
        google()
    }

    configurations.all {
        resolutionStrategy.eachDependency { DependencyResolveDetails details ->
            def requested = details.requested
            if (requested.group == 'com.android.support') {
                if (!requested.name.startsWith("multidex")) {
                    details.useVersion '28.0.0'
                }
            }
        }
    }
}

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