sharmadhiraj

public class EnglishNumberToNepaliNumber extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        int x  = 4545645;
        String xInNepali = Util.convertEnglishNumberToNepali(x);
        Log.d("xInNepali",x+" : "+xInNepali);

sharmadhiraj

    //Kotlin
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    //Support
    implementation 'androidx.appcompat:appcompat:1.0.2'
    implementation 'com.google.android.material:material:1.0.0'
    implementation 'androidx.recyclerview:recyclerview:1.0.0'
    implementation 'androidx.cardview:cardview:1.0.0'

    //Architecture Components

sharmadhiraj

data class Response(
        @SerializedName("articles") val news: List<News>
)

data class News(
        val title: String,
        @SerializedName("urlToImage") val image: String
)

sharmadhiraj

interface NetworkService {

    @GET("/everything?q=sports&apiKey=aa67d8d98c8e4ad1b4f16dbd5f3be348")
    fun getNews(@Query("page") page: Int, @Query("pageSize") pageSize: Int): Single<Response>

    companion object {
        fun getService(): NetworkService {
            val retrofit = Retrofit.Builder()
                    .baseUrl("https://newsapi.org/v2/")
                    .addCallAdapterFactory(RxJava2CallAdapterFactory.create())

sharmadhiraj

enum class State {
    DONE, LOADING, ERROR
}

sharmadhiraj

class NewsDataSource(
        private val networkService: NetworkService,
        private val compositeDisposable: CompositeDisposable)
    : PageKeyedDataSource<Int, News>() {

    var state: MutableLiveData<State> = MutableLiveData()
    private var retryCompletable: Completable? = null


    override fun loadInitial(params: LoadInitialParams<Int>, callback: LoadInitialCallback<Int, News>) {

sharmadhiraj

class NewsDataSourceFactory(
        private val compositeDisposable: CompositeDisposable,
        private val networkService: NetworkService)
    : DataSource.Factory<Int, News>() {

    val newsDataSourceLiveData = MutableLiveData<NewsDataSource>()

    override fun create(): DataSource<Int, News> {
        val newsDataSource = NewsDataSource(networkService, compositeDisposable)
        newsDataSourceLiveData.postValue(newsDataSource)

sharmadhiraj

class NewsListViewModel : ViewModel() {

    private val networkService = NetworkService.getService()
    var newsList: LiveData<PagedList<News>>
    private val compositeDisposable = CompositeDisposable()
    private val pageSize = 5
    private val newsDataSourceFactory: NewsDataSourceFactory

    init {
        newsDataSourceFactory = NewsDataSourceFactory(compositeDisposable, networkService)

sharmadhiraj

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ProgressBar
        android:id="@+id/progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"

sharmadhiraj

class ListFooterViewHolder(view: View) : RecyclerView.ViewHolder(view) {

    fun bind(status: State?) {
        itemView.progress_bar.visibility = if (status == State.LOADING) VISIBLE else View.INVISIBLE
        itemView.txt_error.visibility = if (status == State.ERROR) VISIBLE else View.INVISIBLE
    }

    companion object {
        fun create(retry: () -> Unit, parent: ViewGroup): ListFooterViewHolder {
            val view = LayoutInflater.from(parent.context)