build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
def loadProperties(String sourceFileName) {
    def config = new Properties()
    def propFile = new File(sourceFileName)
    if (propFile.canRead()) {
        config.load(new FileInputStream(propFile))
        for (Map.Entry property in config) {
            project.ext[property.key] = property.value
        }
    }
}

loadProperties("local.properties")

buildscript {
    
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.3'
        classpath 'com.github.megatronking.stringfog:gradle-plugin:1.4.0'

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

allprojects {
    repositories {
        google()
        jcenter()
    }
}

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