NuMovie MainActivity

package info.rekayasa.numovie;

import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.PersistableBundle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ProgressBar;

import com.squareup.picasso.Picasso;

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

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import static android.provider.MediaStore.Audio.AudioColumns.TITLE_KEY;

public class MainActivity extends AppCompatActivity {

    private static final String LOG_TAG = "MainActivity";

    String url = "http://api.themoviedb.org/3/movie/popular";
    Boolean isPopular;
//    MenuItem item;

    private Menu menu;

    ProgressBar progressBar;

    List<Movie> movieList;

    private static final String TITLE_KEY ="tile";
    private static final String ITEM_TITLE_KEY = "item_title";
    private static final String URL_KEY = "url";
    private static final String IS_POPULAR_KEY = "is_popular";
    String itemTitle;

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

        progressBar = (ProgressBar) findViewById(R.id.progressBar);

        if (savedInstanceState == null) {
            setTitle(getResources().getString(R.string.title_popular));
            isPopular = true;
            new MovieTask().execute(url);
        } else {
            setTitle(savedInstanceState.getString(TITLE_KEY));
            isPopular = savedInstanceState.getBoolean(IS_POPULAR_KEY);
            url = savedInstanceState.getString(URL_KEY);
            new MovieTask().execute(url);
            itemTitle = savedInstanceState.getString(ITEM_TITLE_KEY);
//            toggle();

        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        String title = getSupportActionBar().getTitle().toString();
        MenuItem item = menu.findItem(R.id.action_toggle);
        String menuItem = item.getTitle().toString();
        String currentUrl = url;
        Boolean isPopularStatus = isPopular;
        outState.putString(TITLE_KEY, title);
        outState.putString(ITEM_TITLE_KEY, menuItem);
        outState.putString(URL_KEY, currentUrl);
        outState.putBoolean(IS_POPULAR_KEY, isPopularStatus);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu_main, menu);
        this.menu = menu;
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == R.id.action_toggle) {
            toggle();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        MenuItem item = menu.findItem(R.id.action_toggle);
        if (itemTitle != null) {
            item.setTitle(itemTitle);
            System.out.println("item title: " + itemTitle);
        }
        return super.onPrepareOptionsMenu(menu);
    }

    private void toggle() {
        MenuItem item = menu.findItem(R.id.action_toggle);
        if (isPopular) {
            setTitle(getResources().getString(R.string.title_top_rated));
            itemTitle = getResources().getString(R.string.popular);
            item.setTitle(getResources().getString(R.string.popular));
            url = "http://api.themoviedb.org/3/movie/top_rated";
            new MovieTask().execute(url);
            isPopular = false;
        } else {
            item.setTitle(getResources().getString(R.string.top_rated));
            itemTitle = getResources().getString(R.string.popular);
            setTitle(getResources().getString(R.string.title_popular));
            url = "http://api.themoviedb.org/3/movie/popular";
            new MovieTask().execute(url);
            isPopular = true;
        }
    }

    private class MovieTask extends AsyncTask<String, Void, List<Movie>> {

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            progressBar.setVisibility(View.VISIBLE);
        }

        @Override
        protected List<Movie> doInBackground(String... strings) {

            List<Movie> data = new ArrayList<>();

            HttpURLConnection urlConnection = null;
            BufferedReader reader = null;
            String jsonMovies = "";
            try {
                final String BASE_URL = strings[0];
                final String API_KEY = "?api_key=3f532695bc2452d24f8e1f6950944b9d";
                Uri builtUri = Uri.parse(BASE_URL + API_KEY).buildUpon()
                        .build();

                URL url = new URL(builtUri.toString());
                Log.d(LOG_TAG, "Built URI: " + builtUri.toString());

                // Create request to themoviedb and open connection
                urlConnection = (HttpURLConnection)url.openConnection();
                urlConnection.setRequestMethod("GET");
                urlConnection.connect();

                // Read the input stream into a String
                InputStream inputStream = urlConnection.getInputStream();
                StringBuffer buffer = new StringBuffer();
                if (inputStream == null) {
                    return null;
                }

                reader = new BufferedReader(new InputStreamReader(inputStream));

                String line;
                while ((line = reader.readLine()) != null) {
                    buffer.append(line + "\n");
                }

                if (buffer.length() == 0) {
                    // Stream is empty. No need to parse
                    return null;
                }

                jsonMovies = buffer.toString();
                Log.d(LOG_TAG, jsonMovies);
                JSONObject movies = new JSONObject(jsonMovies);

                JSONArray dataJson = movies.getJSONArray("results");
                for (int i = 0; i < dataJson.length(); i++) {
                    Movie movie = new Movie();
                    JSONObject jsonObj = dataJson.getJSONObject(i);

                    movie.setId(jsonObj.getInt("id"));
                    movie.setPoster_path("http://image.tmdb.org/t/p/w185"+jsonObj.getString("poster_path"));
                    movie.setBackdrop_path("http://image.tmdb.org/t/p/w780"+jsonObj.getString("backdrop_path"));
                    movie.setRelease_date(jsonObj.getString("release_date"));
                    movie.setTitle(jsonObj.getString("title"));
                    movie.setOverview(jsonObj.getString("overview"));
                    movie.setVote_average(jsonObj.getLong("vote_average"));
                    data.add(movie);
                }

            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (JSONException e) {
                e.printStackTrace();
            }

            return data;
        }

        @Override
        protected void onPostExecute(final List<Movie> movies) {
            super.onPostExecute(movies);
            progressBar.setVisibility(View.INVISIBLE);

//            refreshUi(movies);

            GridView gvMovies = (GridView) findViewById(R.id.gv_movie);
            MoviesAdapter adapter = new MoviesAdapter(getApplicationContext(), movies);
            gvMovies.setAdapter(adapter);
            gvMovies.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) {
                    Movie movie = movies.get(position);
                    Intent intent = new Intent(MainActivity.this, DetailActivity.class);
                    intent.putExtra("poster_path",movie.getPoster_path());
                    intent.putExtra("backdrop_path",movie.getBackdrop_path());
                    intent.putExtra("year",movie.getRelease_date());
                    intent.putExtra("release_date",movie.getRelease_date());
                    intent.putExtra("overview",movie.getOverview());
                    intent.putExtra("title",movie.getTitle());
                    intent.putExtra("vote_average",movie.getVote_average());
                    intent.putExtra("id",movie.getId());

                    startActivity(intent);
                }
            });

        }
    }
}