챕터3 풍선터뜨리기...

package com.Test;

import java.util.ArrayList;
import java.util.Random;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Display;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;

public class MainActivity extends Activity {
   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(new MyView(this));
    }
}

class MyBubble {
 public int x, y, rad;
 public Bitmap imgBbl;
 public boolean dead = false;
 
 private int count = 0;
 private int sx, sy;
 private int width, height;
 
 public MyBubble(int _x, int _y, int _width, int _height) {
  x = _x;
  y = _y;
  width = _width;
  height = _height;
  
  Random rnd = new Random();
  rad = rnd.nextInt(31) + 10;
  int k = rnd.nextInt(2) == 0 ? -1 : 1;
  sx = (rnd.nextInt(4) + 2) * k;
  sy = (rnd.nextInt(4) + 2) * k;
  
  imgBbl = BitmapFactory.decodeResource(getResources(), R.drawable.bubble);
  imgBbl = Bitmap.createScaledBitmap(imgBbl,  rad * 2, rad * 2, false);
  MoveBubble();
 }
 
 private void MoveBubble() {
  x += sx;
  y += sy;
  if (x <= rad || x >= width - rad) {
   sx = -sx;
   count++;
  }
  if (y <= rad || y >= height - rad) {
   sy = -sy;
   count++;
  }
  if (count >= 3) dead = true;
 }
}

class MyView extends View {
 int width, height;
 Bitmap imgBack;
 ArrayList<MyBubble> mBubble;
 
 public MyView(Context context) {
  super(context);
  Display display = ((WindowManager) context.getSystemService
    (Context.WINDOW_SERVICE)).getDefaultDisplay();
  width = display.getWidth();
  height = display.getHeight() - 50;
  
  imgBack = BitmapFactory.decodeResource
    (context.getResources(), R.drawable.back);
  
  imgBack = Bitmap.createScaledBitmap(imgBack, width, height, false);
  
  mBubble = new ArrayList<MyBubble>();
  mHandler.sendEmptyMessageDelayed(0,10);
 }
 
 private void MoveBubble() {
  for (int i = mBubble.size() - 1; i >= 0; i--) {
   mBubble.get(i).MoveBubble();
   if (mBubble.get(i).dead == true)
    mBubble.remove(i);
  }
 }
 
 private void CheckBubble(int x, int y) {
  boolean flag = false;
  for (MyBubble tmp : mBubble) {
   if (Math.pow(tmp.x - x, 2) + Math.pow(tmp.y - y, 2)
     <= Math.pow(tmp.rad, 2)) {
    tmp.dead = true;
    flag = true;
   }
  }
  if (flag == false)
   mBubble.add(new MyBubble(x, y, width, height));
 }
 
 public void onDraw(Canvas canvas) {
  MoveBubble();
  canvas.drawBitmap(imgBack, 0, 0, null);
  for (MyBubble tmp : mBubble) {
   canvas.drawBitmap(tmp.imgBbl, tmp.x - tmp.rad,
     tmp.y - tmp.rad, null);
  } 
 }
 
 Handler mHandler = new Handler() {
  public void handleMessage(Message msg) {
   invalidate();
   mHandler.sendEmptyMessageDelayed(0,10);
  }
 };
 
 @Override
 public boolean onTouchEvent(MotionEvent event) {
  if (event.getAction() == MotionEvent.ACTION_DOWN) {
   int x = (int) event.getX();
   int y = (int) event.getY();
   CheckBubble(x,y);
  }
  return true;
 }
}

 

여기서

getResources() 에 빨간밑줄

mBubble.get(i).MoveBubble(); 여기에도 빨간밑줄이 ㄷㄷㄷㄷ

대체 뭐가 잘못된거죠?