trkpt/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:3.1.2'

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

allprojects {
    repositories {
        google()
        jcenter()
    }
    project.ext {
        applicationId = 'org.y20k.trackbook'
        versionCode = 25
        versionName = '1.1.9'
        minSdkVersion = 22
        compileSdkVersion = 27
        targetSdkVersion = 27
        buildToolsVersion = '27.0.3'
        supportLibraryVersion = '27.1.1'
        constraintLayoutVersion = '1.1.0-beta5'

        osmdroidVersion = '6.0.1'
        gsonVersion = '2.8.2'
    }
}

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