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package de.danoeh.antennapod.activity;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.actionbarsherlock.app.SherlockListActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.miroguide.con.MiroGuideException;
import de.danoeh.antennapod.miroguide.con.MiroGuideService;
/**
* Shows a list of available categories and offers a search button. If the user
* selects a category, the MiroGuideCategoryActivity is started.
*/
public class MiroGuideMainActivity extends SherlockListActivity {
private static final String TAG = "MiroGuideMainActivity";
private static String[] categories;
private ArrayAdapter<String> listAdapter;
private TextView txtvStatus;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setContentView(R.layout.miroguide_categorylist);
txtvStatus = (TextView) findViewById(android.R.id.empty);
}
@Override
protected void onPause() {
super.onPause();
}
@Override
protected void onResume() {
super.onResume();
if (categories != null) {
createAdapter();
} else {
loadCategories();
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
String selection = listAdapter.getItem(position);
Intent launchIntent = new Intent(this, MiroGuideCategoryActivity.class);
launchIntent.putExtra(MiroGuideCategoryActivity.EXTRA_CATEGORY,
selection);
startActivity(launchIntent);
}
private void createAdapter() {
if (categories != null) {
listAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, categories);
txtvStatus.setText(R.string.no_items_label);
setListAdapter(listAdapter);
}
}
/**
* Launches an AsyncTask to load the available categories in the background.
*/
@SuppressLint("NewApi")
private void loadCategories() {
AsyncTask<Void, Void, Void> listLoader = new AsyncTask<Void, Void, Void>() {
private String[] c;
private MiroGuideException exception;
@Override
protected void onPostExecute(Void result) {
if (exception == null) {
if (AppConfig.DEBUG)
Log.d(TAG, "Successfully loaded categories");
categories = c;
createAdapter();
} else {
Log.e(TAG, "Error happened while trying to load categories");
txtvStatus.setText(exception.getMessage());
}
}
@Override
protected void onPreExecute() {
txtvStatus.setText(R.string.loading_categories_label);
}
@Override
protected Void doInBackground(Void... params) {
MiroGuideService service = new MiroGuideService();
try {
c = service.getCategories();
} catch (MiroGuideException e) {
e.printStackTrace();
exception = e;
} finally {
service.close();
}
return null;
}
};
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
listLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
} else {
listLoader.execute();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(Menu.NONE, R.id.search_item, Menu.NONE, R.string.search_label)
.setIcon(R.drawable.action_search)
.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
case R.id.search_item:
onSearchRequested();
return true;
default:
return false;
}
}
}
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