*Crystal Ball Misc Errors* Cont.

package com.example.crystalball;

import android.graphics.drawable.AnimationDrawable;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.animation.AlphaAnimation;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

public class MainActivity extends ActionBarActivity {

    private CrystalBall mCrystalBall = new CrystalBall();
    private TextView mAnswerLabel;
    private Button mGetAnswerButton;
    private ImageView mCrystalBallImage;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Assign the Views from the layout file
        mAnswerLabel = (TextView) findViewById(R.id.textView1);
        mGetAnswerButton= (Button) findViewById(R.id.button1);
        mCrystalBallImage.setImageResource(R.drawable.ball_animation);

        mGetAnswerButton.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                String answer = mCrystalBall.getAnAnswer();

                // Update the label with out dynamic answer
                mAnswerLabel.setText(answer);

                animateCrystalBall();
                animateAnswer();
                playSound();
            }
        });
    }

    private void animateCrystalBall() {
        AnimationDrawable ballAnimation = (AnimationDrawable) mCrystalBallImage.getDrawable();
        if (ballAnimation.isRunning()) {
            ballAnimation.stop();
        }
        ballAnimation.start();
    }

    private void animateAnswer() {
        AlphaAnimation fadeinAnimation = new AlphaAnimation(0, 1);
        fadeinAnimation.setDuration(1500);
        fadeinAnimation.setFillAfter(true);

        mAnswerLabel.setAnimation(fadeinAnimation);
    }

    private void playSound() {
        MediaPlayer player = MediaPlayer.create(this, R.raw.crystal_ball);
        player.start();
        player.setOnCompletionListener(new OnCompletionListener() {

            public void onCompletion(MediaPlayer mp) {
                mp.release();
            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main,menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

This is what it says on logcat if I try to run my app
http://gyazo.com/4221f83ff73166352a2f85ff99a01b57