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

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

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

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

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)

sharmadhiraj

class NewsListAdapter(private val retry: () -> Unit)
    : PagedListAdapter<News, RecyclerView.ViewHolder>(NewsDiffCallback) {

    private val DATA_VIEW_TYPE = 1
    private val FOOTER_VIEW_TYPE = 2

    private var state = State.LOADING

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
        return if (viewType == DATA_VIEW_TYPE) NewsViewHolder.create(parent) else ListFooterViewHolder.create(retry, parent)

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

abstract class BaseStatefulWidget extends StatefulWidget {
  String getTitle();

  Widget body(AsyncSnapshot snapshot);

  Future future();

  @override
  State<StatefulWidget> createState() => BaseState(getTitle());
}