@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
switch (item.getItemId()) {
case R.id.alpha:
Collections.sort(trailList, Trail.TrailComparatorName);
trailAdapter.notifyDataSetChanged();
return true;
case R.id.length:
Collections.sort(trailList, Trail.TrailComparatorLength);
trailAdapter.notifyDataSetChanged();
return true;
default:
// If we got here, the user's action was not recognized.
// Invoke the superclass to handle it.
return super.onOptionsItemSelected(item);
}
}
// search trails for the query string
public void performSearch(String query) {
trailList.clear();
// check each trail's title, birds
for (Map.Entry<String, Trail> entry : map.entrySet()) {
String title = entry.getKey();
String birds = entry.getValue().birdText();
Boolean inTitle = title.toLowerCase().contains(query.toLowerCase());
Boolean inBirds = birds.toLowerCase().contains(query.toLowerCase());
if (inBirds || inTitle) {
trailList.add(entry.getValue());
}
}
Collections.sort(trailList, Trail.TrailComparatorName);
trailAdapter.notifyDataSetChanged();
}