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);
+        }
+    }
+}