Andoid 매트로돔

package com.tistory.tansanc.Test130805;

import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.media.AudioManager;
import android.media.SoundPool;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;

public class MainActivity extends Activity {

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		mPool = new SoundPool(1, AudioManager.STREAM_MUSIC, 0);
		mDdok = mPool.load(this, R.raw.ddok, 1);
		MyView mv = new MyView(this, mHandler);
		setContentView(mv);
	}

	Handler mHandler = new Handler() {
		public void handleMessage(Message msg) {
			mPool.play(mDdok, 1, 1, 0, 0, 1);
		}
	};

	SoundPool mPool;
	int mDdok;

	class MyView extends View {
		Context context;
		Handler mDdokHandler;

		public MyView(Context context, Handler mDdokHandler) {
			super(context);
			this.context = context;
			this.mDdokHandler = mDdokHandler;
			mHandler.sendEmptyMessage(0);
		}

		float degree = 0;
		float inc = 1;

		@Override
		protected void onDraw(Canvas canvas) {
			// TODO Auto-generated method stub

			Paint Pnt = new Paint();
			Pnt.setAntiAlias(true);
			Pnt.setColor(Color.RED);
			Pnt.setStrokeWidth(20);

			canvas.translate(canvas.getWidth() / 2, canvas.getHeight() / 4 * 3);
			if (degree > 45) {
				inc = -1;
				mDdokHandler.sendEmptyMessage(0);
			} else if (degree < -45) {
				inc = 1;
				mDdokHandler.sendEmptyMessage(0);
			}
			canvas.rotate(degree);
			canvas.drawLine(0, 0, 0, -canvas.getHeight() / 2, Pnt);
			super.onDraw(canvas);
		}

		Handler mHandler = new Handler() {
			public void handleMessage(Message msg) {
				degree = degree + inc;
				invalidate();
				mHandler.sendEmptyMessageDelayed(0, 50);
			}
		};
	}
}