BoxOfficeActivity.java

package com.example.rottentomatoesdemo;

import java.util.ArrayList;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.Window;
import android.widget.ListView;
import android.widget.Toast;

import com.example.rottentomatoesdemo.models.BoxOfficeMovie;
import com.loopj.android.http.JsonHttpResponseHandler;

public class BoxOfficeActivity extends Activity {

	private ListView lvMovies;
    private BoxOfficeMoviesAdapter adapterMovies;
    RottenTomatoesClient client;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        
        setContentView(R.layout.activity_box_office);
        
        lvMovies = (ListView) findViewById(R.id.lvMovies);
        ArrayList<BoxOfficeMovie> aMovies = new ArrayList<BoxOfficeMovie>();
        adapterMovies = new BoxOfficeMoviesAdapter(this, aMovies);
        lvMovies.setAdapter(adapterMovies);
        
        // Fetch the data remotely
    	fetchBoxOfficeMovies();
    }


	@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;
	}

	// Executes an API call to the box office endpoint, parses the results
    // Converts them into an array of movie objects and adds them to the adapter
    private void fetchBoxOfficeMovies() {
        adapterMovies.clear();
        client = new RottenTomatoesClient();
        
        setProgressBarIndeterminateVisibility(true);
        
        client.getBoxOfficeMovies(new JsonHttpResponseHandler() {
        	        	
            @Override
            public void onSuccess(int code, JSONObject body) {
            	
                JSONArray items = null;
                try {
                    // Get the movies json array
                    items = body.getJSONArray("movies");
                    // Parse json array into array of model objects
                    ArrayList<BoxOfficeMovie> movies = BoxOfficeMovie.fromJson(items);
                    // Load model objects into the adapter
                    for (BoxOfficeMovie movie : movies) {
                       adapterMovies.add(movie);
                    }
                    
                    setProgressBarIndeterminateVisibility(false);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
            
            @Override
            public void onFailure(Throwable e, String message) {
                
            	Toast.makeText(BoxOfficeActivity.this, getResources().getString(R.string.offline_mode), Toast.LENGTH_LONG).show();

                ArrayList<BoxOfficeMovie> movies = BoxOfficeMovie.getOfflineMovies();
                
                // Load model objects into the adapter
                for (BoxOfficeMovie movie : movies) {
                   adapterMovies.add(movie);
                }
                
                setProgressBarIndeterminateVisibility(false);
            }
        });
    }
}