RetroMusicPlayer/appthemehelper/build.gradle

apply plugin: 'com.android.library'
apply plugin: 'kotlin-android'
android {
    compileSdk 31

    defaultConfig {
        minSdk 21
        targetSdk 31
    }
    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    lintOptions {
        abortOnError false
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {
    implementation 'androidx.appcompat:appcompat:1.4.0'
    implementation "com.google.android.material:material:$mdc_version"
    implementation "androidx.preference:preference-ktx:$preference_version"
    implementation 'androidx.cardview:cardview:1.0.0'

    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
}