wireguard-android/app/build.gradle

apply plugin: 'com.android.application'

// Create a variable called keystorePropertiesFile, and initialize it to your
// keystore.properties file, in the rootProject folder.
final def keystorePropertiesFile = rootProject.file("keystore.properties")

android {
    buildToolsVersion '28.0.0'
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    compileSdkVersion 27
    dataBinding.enabled true
    defaultConfig {
        applicationId 'com.wireguard.android'
        minSdkVersion 21
        targetSdkVersion 27
        versionCode 429
        versionName '0.0.20180706'
    }
    // If the keystore file exists
    if (keystorePropertiesFile.exists()) {
        // Initialize a new Properties() object called keystoreProperties.
        final def keystoreProperties = new Properties()

        // Load your keystore.properties file into the keystoreProperties object.
        keystoreProperties.load(new FileInputStream(keystorePropertiesFile))

        signingConfigs {
            release {
                keyAlias keystoreProperties['keyAlias']
                keyPassword keystoreProperties['keyPassword']
                storeFile file(keystoreProperties['storeFile'])
                storePassword keystoreProperties['storePassword']
            }
        }
    }
    buildTypes {
        release {
            if (keystorePropertiesFile.exists()) signingConfig signingConfigs.release
        }
    }
    externalNativeBuild {
        cmake {
            path 'tools/CMakeLists.txt'
        }
    }
}

ext {
    databindingVersion = '3.1.3'
    supportLibsVersion = '27.1.1'
    streamsupportVersion = '1.6.0'
}

dependencies {
    implementation "com.android.databinding:library:$databindingVersion"
    implementation "com.android.support:appcompat-v7:$supportLibsVersion"
    implementation "com.android.support:cardview-v7:$supportLibsVersion"
    implementation "com.android.support:design:$supportLibsVersion"
    implementation "com.android.support:preference-v14:$supportLibsVersion"
    implementation "com.android.support:support-annotations:$supportLibsVersion"
    implementation "net.sourceforge.streamsupport:android-retrofuture:$streamsupportVersion"
    implementation "net.sourceforge.streamsupport:android-retrostreams:$streamsupportVersion"
}

tasks.withType(JavaCompile) {
    options.compilerArgs << '-Xlint:unchecked'
    options.deprecation = true
}