Challenge Task 2 of 3 on Arrays

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import java.util.Random;


public class FunFactsActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_fun_facts);

        // Declare our View variables and assign the views from layout file
        final TextView factLabel = (TextView) findViewById(R.id.factTextView);
        Button showFactButton = (Button) findViewById(R.id.showFactButton);
        View.OnClickListener listener = new View.OnClickListener() {

    @Override
    public void onClick(View view) {
         String[] facts = {
              "Ants stretch when they wake up in the morning.",
              "Ostriches can run faster than horses.",
              "Olympic gold medals are actually made mostly of silver.",
              "You are born with 300 bones; by the time you are an adult you will have 206.",
              "It takes about 8 minutes for light from the Sun to reach Earth.",
              "Some bamboo plants can grow almost a meter in just one day.",
              "The state of Florida is bigger than England.",
              "Some penguins can leap 2-3 meters out of the water.",
              "On average, it takes 66 days to form a new habit.",
              "Mammoths still walked the earth when the Great Pyramid was being built.",
              "Treehouse is not actually a tree" };

         // The button was clicked, so update the fact label with a new fact
         String fact = "";

         // Randomly select fact
         Random randomGenerator = new Random(); // Construct a new Random number generator
         int randomNumber = randomGenerator.nextInt(facts.length);

         fact = facts[randomNumber];

         // Update the label with our dynamic fact
                factLabel.setText(fact);
         }
    };
    showFactButton.setOnClickListener(listener);

}


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_fun_facts, 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();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}