ShockPair/app/build.gradle

plugins {
    id 'com.android.application'
    id 'kotlin-android'
}

android {
    compileSdkVersion 30
    buildToolsVersion "30.0.2"
    android.ndkVersion = "21.3.6528147"

    defaultConfig {
        applicationId "com.illusionware.shockpair"
        minSdkVersion 29
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    repositories {
        maven { url 'https://jitpack.io' }
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = '1.8'
        useIR = true
    }
    externalNativeBuild {
        cmake {
            path file('src/main/c/CMakeLists.txt')
            version "3.10.2"
        }
    }
}

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
    implementation 'androidx.core:core-ktx:1.2.0'
    implementation 'androidx.appcompat:appcompat:1.1.0'
    implementation 'com.google.android.material:material:1.1.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation "com.github.topjohnwu.libsu:core:3.1.2"
    implementation "com.github.topjohnwu.libsu:service:3.1.2"
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}

// function to run before the build starts.
// this function runs the ndk-build binary on the bluez bluetooth lib to build the shared lib
task runNdkBuild(type: Exec) {
    def ndkDir = android.ndkDirectory
    executable = "$ndkDir/ndk-build"
    args = ['NDK_PROJECT_PATH=build/intermediates/ndk',
            'NDK_LIBS_OUT=src/main/btLibs',
            'APP_BUILD_SCRIPT=src/main/c/bluez-android-3.35/libs/Android.mk']
}

// tell gradle to run the function before the build
preBuild.dependsOn runNdkBuild