Remove files

package com.example.a8_bitinvader;

import android.content.res.Resources;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import java.util.ArrayList;

import java.util.Random;

public class Enemy extends Sprite{

    /** Health of player */

    private int health = 1;

    /** Possible enemy sprites */

    private final int[] SpriteImages =

    {

        R.drawable.enemy1,

                R.drawable.enemy5,

                R.drawable.enemy3,

                R.drawable.enemy4,

    };

    /**

     * Initialize an enemy with the given coordinates and initial velocity

     * @param xPos X point

     * @param yPos Y point

     * @param xVel X velocity

     * @param yVel Y velocity

     * @param res Resource object

     */

    public Enemy(int xPos, int yPos, int xVel, int yVel, int screenWidth, int screenHeight, Resources res) {

        super(xPos, yPos, xVel, yVel, screenWidth, screenHeight);

        this.xPos = xPos;

        this.yPos = yPos;

        Random rand = new Random();

        int randInt = rand.nextInt(SpriteImages.length);

        spriteImage = BitmapFactory.decodeResource(res, SpriteImages[randInt]);

        spriteImage = Bitmap.createScaledBitmap(spriteImage, spriteWidth, spriteHeight, false);

    }

    /**

     * Constructor for testing

     * @param xPos

     * @param yPos

     * @param xVel

     * @param yVel

     * @param screenWidth

     * @param screenHeight

     */

    public Enemy(int xPos, int yPos, int xVel, int yVel, int screenWidth, int screenHeight) {

        super(xPos, yPos, xVel, yVel, screenWidth, screenWidth);

        this.xPos = xPos;

        this.yPos = yPos;

    }

}

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