cdmunoz

public class MyApp extends MultiDexApplication {

    private static final String TAG = MyApp.class.getName();

    @Override
    public void onCreate() {
        super.onCreate();

        AppLifecycleObserver appLifecycleObserver = new AppLifecycleObserver();
        ProcessLifecycleOwner.get().getLifecycle().addObserver(appLifecycleObserver);

cdmunoz

package hakerrank

import java.io.*
import java.math.*
import java.security.*
import java.text.*
import java.util.*
import java.util.concurrent.*
import java.util.function.*
import java.util.regex.*

cdmunoz

class AuctionsCreationViewModel : ViewModel(), CoroutineScope {

    private var auction: MutableLiveData<Auction> = MutableLiveData()
    private var auctionCreationRepository = AuctionCreationRepository()
    private var onClickSaveTrigger = SingleLiveEvent<Unit>()

    private val job = Job()
    override val coroutineContext: CoroutineContext
        get() = job + Dispatchers.Main

cdmunoz

class OneTimeObserver<T>(private val handler: (T) -> Unit) : Observer<T>, LifecycleOwner {
    private val lifecycle = LifecycleRegistry(this)

    init {
        lifecycle.handleLifecycleEvent(Lifecycle.Event.ON_RESUME)
    }

    override fun getLifecycle(): Lifecycle = lifecycle

    override fun onChanged(t: T) {

cdmunoz

fun <T> LiveData<T>.observeOnce(onChangeHandler: (T) -> Unit) {
    val observer = OneTimeObserver(handler = onChangeHandler)
    observe(observer, observer)
}

cdmunoz

@RunWith(JUnit4::class)
class AuctionCreationViewModelTest {

    @get:Rule
    val instantTaskExecutorRule = InstantTaskExecutorRule()

    lateinit var auctionsCreationViewModel: AuctionsCreationViewModel
    lateinit var auctionCreationRepository: AuctionCreationRepository
    val auction = Auction()

cdmunoz

@Test
    fun saveAuction() {
        auction.apply {
            id = 100L
            title = "auction to save 1"
            status = Auction.Status.COMPLETE
        }
        runBlocking {
            auctionsCreationViewModel.saveAuction(auction)
        }

cdmunoz

package hakerrank

import java.io.*
import java.math.*
import java.security.*
import java.text.*
import java.util.*
import java.util.concurrent.*
import java.util.function.*
import java.util.regex.*

cdmunoz

package hakerrank

import java.io.*
import java.math.*
import java.security.*
import java.text.*
import java.util.*
import java.util.concurrent.*
import java.util.function.*
import java.util.regex.*

cdmunoz

fun findMedian(arr: Array<Int>): Int {
    val size = arr.size
    arr.sort()
    return arr[(size / 2)]
}