Stuck on this challenge

import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.view.View;
import android.view.ListView;
import android.content.Intent;
import android.net.Uri;

public class CustomListActivity extends ListActivity {

    protected String[] mUrls = { "http://www.teamtreehouse.com", "http://developer.android.com", "http://www.github.com" };

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

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mUrls);
        setListAdapter(adapter);
    }

    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
            super.onListItemClick(l, v, position, id);
        String maylo = mUrls.getStringArray(position);
        Intent intent = new Intent(Intent.ACTION_VIEW);
                intent.setData(Uri.parse("mUrls"));
                startActivity(intent);
    }
}