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Searching / filtering ListView by multiple criterias
public class PlacesActivity extends Activity{
private EditText SearchText;
private RelativeLayout search;
private ImageButton btnSearchClose;

@Override
public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);
setContentView(R.layout.places_layout);

SearchText = (EditText) findViewById(R.id.SearchBox);
SearchText.addTextChangedListener(filterTextWatcher);

btnSearchClose = (ImageButton)findViewById(R.id.SearchClose);
placesListView = (ListView) findViewById(R.id.PlacesListView);

}

private TextWatcher filterTextWatcher = new TextWatcher() {
public void afterTextChanged(Editable s) {
    adapter.getFilter().filter(s);
}

    private final class MyFilter extends Filter {
    @Override
    protected FilterResults performFiltering(CharSequence constraint) {
        FilterResults oReturn = new FilterResults();
        ArrayList<Routes> results = new ArrayList<Routes>();
        orig = routes;
        }

        if (constraint != null) {
            if (orig != null && orig.size() > 0) {
                for (Routes o : orig) {
                    String Constr = constraint.toString();
                    constraint = Constr.subSequence(0, Constr.length());

                    String FromRoute = o.getTripFrom().toLowerCase();
                    if (FromRoute.startsWith((String) constraint)) {
                        results.add(o);
                    }
                }
                oReturn.values = results;
            }
        }
        return oReturn;
    }

    @Override
    protected void publishResults(CharSequence constraint, FilterResults results) {
        ArrayList<Routes> objects = new ArrayList<Routes>();
        objects = (ArrayList<Routes>)results.values;
        routes = objects;
        notifyDataSetChanged();
    }
}