EliteIntegrity

val prefs = context.getSharedPreferences(
                    "Kotlin Invaders",
                    Context.MODE_PRIVATE)

    val oldHighScore = prefs.getInt("highScore", 0)

    if(highScore > oldHighScore) {
        val editor = prefs.edit()

        editor.putInt(

EliteIntegrity

// To remember the high score
private val prefs: SharedPreferences = context.getSharedPreferences(
        "Kotlin Invaders",
        Context.MODE_PRIVATE)

private var highScore =  prefs.getInt("highScore", 0)

EliteIntegrity

// Play a sound based on the menace level
          if (!paused && ((startFrameTime - lastMenaceTime) > menaceInterval))
              menacePlayer()
      }// end of while loop
  }// end of run function

EliteIntegrity

private fun menacePlayer() {
    if (uhOrOh) {
        // Play Uh
        soundPlayer.playSound(SoundPlayer.uhID)

    } else {
        // Play Oh
        soundPlayer.playSound(SoundPlayer.ohID)
    }

EliteIntegrity

// Has the player's playerBullet 
// hit the top of the screen
if (playerBullet.position.bottom < 0) {
	playerBullet.isActive =false
}

// Has an invaders playerBullet 
// hit the bottom of the screen
for (bullet in invadersBullets) {
	if (bullet.position.top > size.y) {

EliteIntegrity

...
...
invader.update(fps)

// Does he want to take a shot?
if (invader.takeAim(playerShip.position.left,
				playerShip.width,
				waves)) {

	// If so try and spawn a bullet

EliteIntegrity

// For making a noise
private val soundPlayer = SoundPlayer(context)

EliteIntegrity

// The SurfaceView class implements onTouchListener
// So we can override this method and detect screen touches.
override fun onTouchEvent(motionEvent: MotionEvent): Boolean {
	when (motionEvent.action and MotionEvent.ACTION_MASK) {

	// Player has touched the screen
	// Or moved their finger while touching screen
	MotionEvent.ACTION_POINTER_DOWN,
	MotionEvent.ACTION_DOWN,
	MotionEvent.ACTION_MOVE-> {

EliteIntegrity

package com.gamecodeschool.kotlininvaders

import android.content.Context
import android.content.res.AssetFileDescriptor
import android.media.AudioManager
import android.media.SoundPool
import android.util.Log
import java.io.IOException

class SoundPlayer(context: Context) {

EliteIntegrity

...
...
// Draw the bricks if visible
for (brick in bricks) {
    if (brick.isVisible) {
        canvas.drawRect(brick.position, paint)
    }
}

// Draw the players playerBullet if active