Code Ninjas help pls

package com.example.crystalball;

import java.util.Random;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;


public class MainActivity extends ActionBarActivity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

      // Declare our view variables and assign them the views from the layout file  
      final TextView answerLabel = (TextView) findViewById(R.id.textView1);
      Button getAnswerButton = (Button) findViewById(R.id.button1); 

      getAnswerButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0) {    
        String answer = "";

        //Randomly select one of three answers: Yes, No, or Maybe
        Random randomGenerator = new Random(); //Construct a new Random number generator
        int randomNumber = randomGenerator.nextInt(3); 

        /* Convert the randomNumber to a text answer
         * 0 = Yes
         * 1 = No 
         * 2 = Maybe
         */

        //if a randomNumber equal 0 then
        if(randomNumber == 0) {
          // set answer equal to Yes
            answer = "Yes";
        }
        else if(randomNumber == 1) {
              // set answer equal to Yes
                answer = "No";
            }
        else if(randomNumber == 2) {
              // set answer equal to Yes
                answer = "Maybe";
            }
        else {
            answer = "Sorry, there is an error"; 
        }

        //Update the label with our dynamic answer 
        answerLabel.setText(answer);
        }
    });
    }


    @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);
    }

}