cdmunoz

package co.cdmunoz.cryptocurrencyapp.utils

import android.support.v7.widget.LinearLayoutManager
import android.support.v7.widget.RecyclerView


class InfiniteScrollListener(
    val func: () -> Unit,
    val layoutManager: LinearLayoutManager) : RecyclerView.OnScrollListener() {

cdmunoz

class InfiniteScrollListener(
    val func: () -> Unit,
    val layoutManager: LinearLayoutManager) : RecyclerView.OnScrollListener() {

  private var previousTotal = 0
  private var loading = true
  private var visibleThreshold = 2
  private var firstVisibleItem = 0
  private var visibleItemCount = 0
  private var totalItemCount = 0

cdmunoz

class Constants {
  companion object {
    const val OFFSET = 12
    const val LIMIT = 12
    const val START_ZERO_VALUE = "0"
    const val DATABASE_NAME = "cryptocurrencies_db"
    const val LIST_SCROLLING = 12
  }
}

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class CryptocurrenciesActivity : AppCompatActivity() {

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(layout.activity_cryptocurrencies)

    initializeRecycler()

    progressBar.visibility = View.VISIBLE
    loadData()

cdmunoz

class InfiniteScrollListener(
    val func: () -> Unit,
    val layoutManager: LinearLayoutManager) : RecyclerView.OnScrollListener() {

  private var previousTotal = 0
  private var loading = true
  private var visibleThreshold = 2
  private var firstVisibleItem = 0
  private var visibleItemCount = 0
  private var totalItemCount = 0

cdmunoz

class InfiniteScrollListener(
    val func: () -> Unit,
    val layoutManager: LinearLayoutManager) : RecyclerView.OnScrollListener() {

  private var previousTotal = 0
  private var loading = true
  private var visibleThreshold = 2
  private var firstVisibleItem = 0
  private var visibleItemCount = 0
  private var totalItemCount = 0

cdmunoz

<?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"
    android:layout_margin="8dp"
    tools:context="co.cdmunoz.cryptocurrencyapp.ui.list.CryptocurrenciesActivity"
    >

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class CryptocurrenciesAdapter(
    cryptocurrencies: List<Cryptocurrency>?) : RecyclerView.Adapter<CryptocurrencieViewHolder>() {

  private var cryptocurrenciesList = ArrayList<Cryptocurrency>()

  init {
    this.cryptocurrenciesList = cryptocurrencies as ArrayList<Cryptocurrency>
  }

  override fun onCreateViewHolder(parent: ViewGroup?, viewType: Int): CryptocurrencieViewHolder {

cdmunoz

<?xml version="1.0" encoding="utf-8"?>

<android.support.v7.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/cryptocurrency_card"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="@dimen/default_4dp"
    app:cardElevation="@dimen/cardview_default_elevation"

cdmunoz

@Module
class AppModule(val app: Application) {

  //...rest of the code

  @Provides
  @Singleton
  fun provideUtils(): Utils = Utils(app)
}