Rotten Tomatoes Networking Tutorial - meswapnilwagh/android_guides GitHub Wiki

public class RottenTomatoesClient {
    private final String API_KEY = "...getkey...";
    private final String API_BASE_URL = "http://api.rottentomatoes.com/api/public/v1.0/";
    private AsyncHttpClient client;

    public RottenTomatoesClient() {
        this.client = new AsyncHttpClient();
    }
    
    private String getApiUrl(String relativeUrl) {
        return API_BASE_URL + relativeUrl;
    }
}

public class RottenTomatoesClient {
    // ...

    // http://api.rottentomatoes.com/api/public/v1.0/lists/movies/box_office.json?apikey=<key>
    public void getBoxOfficeMovies(JsonHttpResponseHandler handler) {
        String url = getApiUrl("lists/movies/box_office.json");
        RequestParams params = new RequestParams("apikey", API_KEY);
        client.get(url, params, handler);
    }

    // ...
}

public class BoxOfficeMovie {
	private String title;
	private int year;
	private String synopsis;
	private String posterUrl;
	private int criticsScore;
	private ArrayList<String> castList;

	public String getTitle() {
		return title;
	}

	public int getYear() {
		return year;
	}

	public String getSynopsis() {
		return synopsis;
	}

	public String getPosterUrl() {
		return posterUrl;
	}

	public int getCriticsScore() {
		return criticsScore;
	}

	public String getCastList() {
		return TextUtils.join(", ", castList);
	}
}

public class BoxOfficeMovie {
    // ...
    
    // Returns a BoxOfficeMovie given the expected JSON
    // BoxOfficeMovie.fromJson(movieJsonDictionary)
    // Stores the `title`, `year`, `synopsis`, `poster` and `criticsScore`
    public static BoxOfficeMovie fromJson(JSONObject jsonObject) {
        BoxOfficeMovie b = new BoxOfficeMovie();
        try {
            // Deserialize json into object fields
            b.title = jsonObject.getString("title");
            b.year = jsonObject.getInt("year");
            b.synopsis = jsonObject.getString("synopsis");
            b.posterUrl = jsonObject.getJSONObject("posters").getString("thumbnail");
            b.criticsScore = jsonObject.getJSONObject("ratings").getInt("critics_score");
            // Construct simple array of cast names
            b.castList = new ArrayList<String>();
            JSONArray abridgedCast = jsonObject.getJSONArray("abridged_cast");
            for (int i = 0; i < abridgedCast.length(); i++) {
                b.castList.add(abridgedCast.getJSONObject(i).getString("name"));
            }
        } catch (JSONException e) {
            e.printStackTrace();
            return null;
        }
        // Return new object
        return b;
    }
  
    // ...
}

public class BoxOfficeMovie {
    // ...
    
    // Decodes array of box office movie json results into movie model objects
    // BoxOfficeMovie.fromJson(jsonArrayOfMovies)
    public static ArrayList<BoxOfficeMovie> fromJson(JSONArray jsonArray) {
        ArrayList<BoxOfficeMovie> movies = new ArrayList<BoxOfficeMovie>(jsonArray.length());
        // Process each result in json array, decode and convert to movie
        // object
        for (int i = 0; i < jsonArray.length(); i++) {
            JSONObject moviesJson = null;
            try {
                moviesJson = jsonArray.getJSONObject(i);
            } catch (Exception e) {
                e.printStackTrace();
                continue;
            }

            BoxOfficeMovie movie = BoxOfficeMovie.fromJson(moviesJson);
            if (movie != null) {
                movies.add(movie);
            }
        }

        return movies;
    }
    
    // ...
}

public class BoxOfficeMoviesAdapter extends ArrayAdapter<BoxOfficeMovie> {
	public BoxOfficeMoviesAdapter(Context context, ArrayList<BoxOfficeMovie> aMovies) {
		super(context, 0, aMovies);
	}
	
	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		// TODO: Complete the definition of the view for each movie
		return null;
	}
}

public class BoxOfficeMoviesAdapter extends ArrayAdapter<BoxOfficeMovie> {
    // ...
    
    // Translates a particular `BoxOfficeMovie` given a position 
    // into a relevant row within an AdapterView
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // Get the data item for this position
        BoxOfficeMovie movie = getItem(position);
        // Check if an existing view is being reused, otherwise inflate the view
        if (convertView == null) {
        	LayoutInflater inflater = LayoutInflater.from(getContext());
        	convertView = inflater.inflate(R.layout.item_box_office_movie, parent, false);
        }
        // Lookup views within item layout
        TextView tvTitle = (TextView) convertView.findViewById(R.id.tvTitle);
        TextView tvCriticsScore = (TextView) convertView.findViewById(R.id.tvCriticsScore);
        TextView tvCast = (TextView) convertView.findViewById(R.id.tvCast);
        ImageView ivPosterImage = (ImageView) convertView.findViewById(R.id.ivPosterImage);
        // Populate the data into the template view using the data object
        tvTitle.setText(movie.getTitle());
        tvCriticsScore.setText("Score: " + movie.getCriticsScore() + "%");
        tvCast.setText(movie.getCastList());
        Picasso.with(getContext()).load(movie.getPosterUrl()).into(ivPosterImage);
        // Return the completed view to render on screen
        return convertView;
    }
    
    // ...
}

public class BoxOfficeActivity extends Activity {
	private ListView lvMovies;
	private BoxOfficeMoviesAdapter adapterMovies;

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

public class BoxOfficeActivity extends Activity {
    RottenTomatoesClient client;

    protected void onCreate(Bundle savedInstanceState) {
       // ...
       // Fetch the data remotely
       fetchBoxOfficeMovies();
    }
    
    // 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() {
        client = new RottenTomatoesClient();
        client.getBoxOfficeMovies(new JsonHttpResponseHandler() {
            @Override
            public void onSuccess(int statusCode, Header[] headers, JSONObject responseBody) {
                JSONArray items = null;
                try {
                    // Get the movies json array
                    items = responseBody.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); // add movie through the adapter
                    }
                    adapterMovies.notifyDataSetChanged();
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }
        });
    }
}

public class BoxOfficeMovie implements Serializable {
	private static final long serialVersionUID = -8959832007991513854L;
	// ...
}

public class BoxOfficeMovie implements Serializable {
    // ...
    private String largePosterUrl;
    private String criticsConsensus;
    private int audienceScore;
	
    public static BoxOfficeMovie fromJson(JSONObject jsonObject) {
        // ...
        b.largePosterUrl = jsonObject.getJSONObject("posters").getString("detailed");
        b.criticsConsensus = jsonObject.getString("critics_consensus"); 
        b.audienceScore = jsonObject.getJSONObject("ratings").getInt("audience_score");
        // ...
    }
  
    // ...
    public String getLargePosterUrl() {
        return largePosterUrl;
    }

    public String getCriticsConsensus() {
        return criticsConsensus;
    }
	
    public int getAudienceScore() {
        return audienceScore;
    }
}

public class BoxOfficeActivity extends Activity {
   // ...
   public static final String MOVIE_DETAIL_KEY = "movie";
   
   @Override
   protected void onCreate(Bundle savedInstanceState) { 
      // ...
      setupMovieSelectedListener();  
   }
   
   // ...
  
   public void setupMovieSelectedListener() {
       lvMovies.setOnItemClickListener(new OnItemClickListener() {
           @Override
           public void onItemClick(AdapterView<?> adapterView, View item, int position, long rowId) {
               // Launch the detail view passing movie as an extra
               Intent i = new Intent(BoxOfficeActivity.this, BoxOfficeDetailActivity.class);
               i.putExtra(MOVIE_DETAIL_KEY, adapterMovies.getItem(position));
               startActivity(i);
           }
        });
    } 
}

public class BoxOfficeDetailActivity extends Activity {
	private ImageView ivPosterImage;
	private TextView tvTitle;
	private TextView tvSynopsis;
	private TextView tvCast;
	private TextView tvAudienceScore;
	private TextView tvCriticsScore;
	private TextView tvCriticsConsensus;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_box_office_detail);
        // Fetch views
        ivPosterImage = (ImageView) findViewById(R.id.ivPosterImage);
        tvTitle = (TextView) findViewById(R.id.tvTitle);
        tvSynopsis = (TextView) findViewById(R.id.tvSynopsis);
        tvCast = (TextView) findViewById(R.id.tvCast);
        tvCriticsConsensus = (TextView) findViewById(R.id.tvCriticsConsensus);
        tvAudienceScore =  (TextView) findViewById(R.id.tvAudienceScore);
        tvCriticsScore = (TextView) findViewById(R.id.tvCriticsScore);
        // Use the movie to populate the data into our views
        BoxOfficeMovie movie = (BoxOfficeMovie) 
            getIntent().getSerializableExtra(BoxOfficeActivity.MOVIE_DETAIL_KEY);
        loadMovie(movie);
    }
	
    // Populate the data for the movie
    public void loadMovie(BoxOfficeMovie movie) {
        // Populate data
        tvTitle.setText(movie.getTitle());
        tvCriticsScore.setText(Html.fromHtml("<b>Critics Score:</b> " + movie.getCriticsScore() + "%"));
        tvAudienceScore.setText(Html.fromHtml("<b>Audience Score:</b> " + movie.getAudienceScore() + "%"));
        tvCast.setText(movie.getCastList());
        tvSynopsis.setText(Html.fromHtml("<b>Synopsis:</b> " + movie.getSynopsis()));
        tvCriticsConsensus.setText(Html.fromHtml("<b>Consensus:</b> " + movie.getCriticsConsensus()));
        // R.drawable.large_movie_poster from 
        // http://content8.flixster.com/movie/11/15/86/11158674_pro.jpg -->
        Picasso.with(this).load(movie.getLargePosterUrl()).
          placeholder(R.drawable.large_movie_poster).
          into(ivPosterImage);
    }  

}