diff options
Diffstat (limited to 'app/src/main/java/de/danoeh/antennapod/fragment/ItunesSearchFragment.java')
-rw-r--r-- | app/src/main/java/de/danoeh/antennapod/fragment/ItunesSearchFragment.java | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/ItunesSearchFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/ItunesSearchFragment.java new file mode 100644 index 000000000..c14b0cc6e --- /dev/null +++ b/app/src/main/java/de/danoeh/antennapod/fragment/ItunesSearchFragment.java @@ -0,0 +1,193 @@ +package de.danoeh.antennapod.fragment; + +import android.content.Intent; +import android.os.AsyncTask; +import android.os.Bundle; +import android.support.v4.app.Fragment; +import android.support.v7.widget.SearchView; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.AdapterView; +import android.widget.GridView; + +import org.apache.http.HttpResponse; +import org.apache.http.client.HttpClient; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.http.util.EntityUtils; +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; + +import de.danoeh.antennapod.R; +import de.danoeh.antennapod.activity.DefaultOnlineFeedViewActivity; +import de.danoeh.antennapod.activity.OnlineFeedViewActivity; +import de.danoeh.antennapod.adapter.itunes.ItunesAdapter; + +import static de.danoeh.antennapod.adapter.itunes.ItunesAdapter.*; + +//Searches iTunes store for given string and displays results in a list +public class ItunesSearchFragment extends Fragment { + final String TAG = "ItunesSearchFragment"; + /** + * Search input field + */ + private SearchView searchView; + + /** + * Adapter responsible with the search results + */ + private ItunesAdapter adapter; + + /** + * List of podcasts retreived from the search + */ + private List<Podcast> searchResults; + + /** + * Replace adapter data with provided search results from SearchTask. + * @param result List of Podcast objects containing search results + */ + void updateData(List<Podcast> result) { + this.searchResults = result; + adapter.clear(); + + //ArrayAdapter.addAll() requires minsdk > 10 + for(Podcast p: result) { + adapter.add(p); + } + + adapter.notifyDataSetInvalidated(); + } + + /** + * Constructor + */ + public ItunesSearchFragment() { + // Required empty public constructor + } + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + adapter = new ItunesAdapter(getActivity(), new ArrayList<Podcast>()); + + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, + Bundle savedInstanceState) { + // Inflate the layout for this fragment + View view = inflater.inflate(R.layout.fragment_itunes_search, container, false); + GridView gridView = (GridView) view.findViewById(R.id.gridView); + gridView.setAdapter(adapter); + + //Show information about the podcast when the list item is clicked + gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() { + @Override + public void onItemClick(AdapterView<?> parent, View view, int position, long id) { + Intent intent = new Intent(getActivity(), + DefaultOnlineFeedViewActivity.class); + + //Tell the OnlineFeedViewActivity where to go + String url = searchResults.get(position).feedUrl; + intent.putExtra(OnlineFeedViewActivity.ARG_FEEDURL, url); + + intent.putExtra(DefaultOnlineFeedViewActivity.ARG_TITLE, "iTunes"); + startActivity(intent); + } + }); + + //Configure search input view to be expanded by default with a visible submit button + searchView = (SearchView) view.findViewById(R.id.itunes_search_view); + searchView.setIconifiedByDefault(false); + searchView.setIconified(false); + searchView.setSubmitButtonEnabled(true); + searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() { + @Override + public boolean onQueryTextSubmit(String s) { + //This prevents onQueryTextSubmit() from being called twice when keyboard is used + //to submit the query. + searchView.clearFocus(); + new SearchTask(s).execute(); + return false; + } + + @Override + public boolean onQueryTextChange(String s) { + return false; + } + }); + + return view; + } + + /** + * Search the iTunes store for podcasts using the given query + */ + class SearchTask extends AsyncTask<Void,Void,Void> { + /** + * Incomplete iTunes API search URL + */ + final String apiUrl = "https://itunes.apple.com/search?media=podcast&term=%s"; + + /** + * Search terms + */ + final String query; + + /** + * Search result + */ + final List<Podcast> taskData = new ArrayList<>(); + + /** + * Constructor + * + * @param query Search string + */ + public SearchTask(String query){ + this.query = query; + } + + //Get the podcast data + @Override + protected Void doInBackground(Void... params) { + + //Spaces in the query need to be replaced with '+' character. + String formattedUrl = String.format(apiUrl, query).replace(' ', '+'); + + HttpClient client = new DefaultHttpClient(); + HttpGet get = new HttpGet(formattedUrl); + + try { + HttpResponse response = client.execute(get); + String resultString = EntityUtils.toString(response.getEntity()); + JSONObject result = new JSONObject(resultString); + JSONArray j = result.getJSONArray("results"); + + for (int i = 0; i < j.length(); i++){ + JSONObject podcastJson = j.getJSONObject(i); + Podcast podcast = new Podcast(podcastJson); + taskData.add(podcast); + } + + } catch (IOException | JSONException e) { + e.printStackTrace(); + } + return null; + } + + //Save the data and update the list + @Override + protected void onPostExecute(Void aVoid) { + super.onPostExecute(aVoid); + updateData(taskData); + } + } +} |