risalfajar

/**
 * Application class integrated with Timber and Crashlytics
 */
class MyApplication : Application() {
    override fun onCreate() {
        super.onCreate()

        if(BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
        else Timber.plant(FirebaseCrashlyticsReportingTree())
    }

risalfajar

class BillingRepository private constructor(private val application: Application) :
    PurchasesUpdatedListener, BillingClientStateListener {
    private lateinit var playStoreBillingClient: BillingClient

    val coinsSkuDetailsListLiveData: MutableLiveData<List<SkuDetails>> = MutableLiveData()
    val subsSkuDetailsListLiveData: MutableLiveData<List<SkuDetails>> = MutableLiveData()

    companion object {
        @Volatile
        private var INSTANCE: BillingRepository? = null