build.gradle

apply plugin: 'com.android.library'

def safeExtGet(prop, fallback) {
    rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
}

android {
    compileSdkVersion safeExtGet('compileSdkVersion', 28)
    buildToolsVersion safeExtGet('buildToolsVersion', '28.0.3')

    defaultConfig {
        minSdkVersion safeExtGet('minSdkVersion', 16)
    }
    buildTypes {
        release {
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation "com.facebook.react:react-native:${safeExtGet('reactNativeVersion', '+')}"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4"

    // api is used instead of implementation so the parent :app project can access any of the OneSignal Java
    //   classes if needed. Such as com.onesignal.NotificationExtenderService
    api 'com.onesignal:OneSignal:5.1.29'
    
    testImplementation 'junit:junit:4.12'
}