theerasan

fun main(args: Array<String>) {
    var x = 10
    var y = 3

    println("Before Swapping x = ${x}, y = ${y}")

    x += y
    y = x - y
    x -= y

theerasan

fun main(args: Array<String>) {
    println("IPHONE AND ANDROID".reverseSentence())
}

private fun String.reverseSentence(): String {
    val words = this.split(" ")
    return words.map { it.reversed() }.joinToString { it }.replace(",", "")
}

theerasan

fun main(args: Array<String>) {
    println(13.isPrimeNumber())
}

private fun Int.isPrimeNumber(): Boolean {
    if (this < 1) return false
    var count = 0
    (1..this).forEach {
        if (this%it == 0) count++
    }

theerasan

// ViewExtension

fun View.setOnAnimateClickListener(onClick: (View) -> Unit) {
    this.setOnAnimateClickListener(null, onClick)
}

// MainActivity

val applyButton = findViewById(R.id.applyButton)
applyButton.setOnAnimateClickListener({view ->

theerasan

private fun initCardViewWithKotlinExtensionWay() {
    val cardView2 = findViewById(R.id.card_view2) as CardView

    cardView2.setOnAnimateClickListener(R.id.imageBackground2, { view ->
        Toast.makeText(this, "Clicked " + view.id , Toast.LENGTH_SHORT).show()
    })
}

theerasan

fun View.setOnAnimateClickListener(resId: Int?, onClick: (View) -> Unit) {

    var secondaryView: View? = null

    if (resId != null) {
        secondaryView = this.findViewById(resId)
    }

    this.setOnClickListener({ view ->
        Handler().postDelayed({

theerasan

private fun initCardViewWithNormalWay() {
        val cardView = findViewById(R.id.card_view) as CardView

        cardView.setOnTouchListener { v, event ->
            Log.d("ANIMATE", event.toString())
            when (event.action) {
                MotionEvent.ACTION_DOWN ->  {
                    v.animate().cancel()
                    v.animate().scaleY(0.96f).scaleX(0.96f).setDuration(200).start()
                    val img = v.findViewById(R.id.imageBackground)

theerasan

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.NestedScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"

theerasan

<ta.com.workshop2.ImageRatioView
      android:id="@+id/banner"
      android:src="@drawable/meet"
      android:background="@color/colorAccent"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:scaleType="fitXY"
      app:imageOrientation="landscape"
      app:imageRatio="W2L1" />

theerasan

class ImageRatioView : AppCompatImageView {
    var imageOrientation: Int? = 0
    var imageRatio: Int? = 0
    val LANDSCAPE  = 0
    val PORTRAIT = 1
    val SQUARE = 0
    val RATIO_2_1 = 1
    val RATIO_2_1_DIVISION = 0.5
    val PIXEL_PERFECT = 1