droidfish/DroidFishApp/build.gradle

apply plugin: 'com.android.application'

android {
    compileSdkVersion 28

    defaultConfig {
        applicationId "org.petero.droidfish"
        minSdkVersion 16
        targetSdkVersion 28
        versionCode 100
        versionName "1.90"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        externalNativeBuild {
            ndkBuild {
                arguments '-j8'
            }
        }
    }

    if(project.hasProperty("RELEASE_STORE_FILE")) {
        signingConfigs {
            release {
                storeFile file(RELEASE_STORE_FILE)
                storePassword RELEASE_STORE_PASSWORD
                keyAlias RELEASE_KEY_ALIAS
                keyPassword RELEASE_KEY_PASSWORD
            }
        }
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
            if(project.hasProperty("RELEASE_STORE_FILE")) {
                signingConfig signingConfigs.release
            }
        }
    }

    externalNativeBuild {
        ndkBuild {
            path file('src/main/cpp/Android.mk')
        }
    }

    lintOptions {
        abortOnError false
    }
    compileOptions {
        sourceCompatibility = '1.8'
        targetCompatibility = '1.8'
    }

    buildFeatures {
        dataBinding true
    }
}

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.android.material:material:1.1.0'
    testImplementation 'junit:junit:4.13'
    androidTestImplementation 'androidx.test:runner:1.2.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
    implementation project(':CuckooChessEngine')
    implementation 'com.caverock:androidsvg-aar:1.4'
}

// Build the ECO database
task buildEco {
    def a = "buildSrc/src/main/java/chess/eco.pgn"
    def b = "DroidFishApp/src/main/assets/eco.dat"
    chess.EcoBuilder.main2(a, b)
}
preBuild.dependsOn buildEco

// Copy Stockfish executables to assets directory
task copyToAssets(type: Copy, dependsOn: 'externalNativeBuildRelease') {
    from('build/intermediates/ndkBuild/release/obj/local') {
        include '*/stockfish'
        include '*/stockfish_nosimd'
    }
    into 'src/main/assets'
}
tasks.withType(JavaCompile) {
    t -> t.dependsOn copyToAssets
}
android {
  applicationVariants.all { variant ->
    tasks["merge${variant.name.capitalize()}Assets"]
      .dependsOn(copyToAssets)
  }
}