khunzohn

package com.hilllander.naunginlecalendar.view.fragment;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;

khunzohn

package com.hilllander.naunginlecalendar.util.adapter;

import android.content.Context;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

khunzohn

package com.hilllander.naunginlecalendar.util.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.hilllander.naunginlecalendar.R;

khunzohn

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'

khunzohn

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_kotlin_extensions)
 
    welcomeMessage.text = "Hello Kotlin!"
    helloButton.setOnClickListener { toast.("Hello Kotlin") }
}

fun setMessaeg(message: String) {
   welcomeMessage.text = message // this wont call findViewById again 

khunzohn

public class Utils { 
   public static String mapDigitToWord(int digit) throws DigitRangeException {
    if(digit < 0 || digit > 9)
      throw new DigitRangeException();
    
    switch (digit) {
      case 0: return "Zero";
      case 1: return "One";
      // case 2,3,...9
      default: return "";

khunzohn

public class DigitMapper {

  public DigitMapper() {

  }

  public String mapToWord(int digit) throws DigitRangeException {
    if (digit < 0 || digit > 9) throw new DigitRangeException();

    switch (digit) {

khunzohn

fun Int.mapToWord(): String {
  val word: String
  when (this) { // this refers to Int with its scope limited to the method level
    0 -> word = "Zero"
    1 -> word = "One"
    2 -> word = "Two"
    // 3,4,5,6,7,8,9
    else -> word = "Invalid Digit Range"
  }
  return word

khunzohn

override fun onCreate(savedInstanceState : Bundle?) {
    setContentView(R.layout.activity_upload)

    val digit = 2
    val wordTwo: String = digit.mapToWord() // return "Two"
}

khunzohn

public final class User {
    public final String id;
    public final String name;
    public final Throwable error; // the reason for failing to fetch will be stored here
    public final State state; //either of SUCCESS,PROGRESS,ERROR enum
    
    public User(Throwable error, State state, String id, String name) {
        this.error = error;
        this.state = state;
        this.id = id;