i'm doing as the video said but it keeps popping up an error

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MovieActivity extends Activity {

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

        // Get some movie information!
        String apiUrl = "http://api.rottentomatoes.com/api/public/v1.0/movies.json?apikey=xyz&q=hobbit";


        OkHttpClient client = new OkHttpClient();
        Request request = new Request.Builder()
                .url(forcastUrl)
                .build();

}