Tôi đã mở rộng chế độ xem Tìm kiếm để lọc các Mục Danh sách Xem của tôi. Khi tôi nhập bất kỳ văn bản nào, nó lọc Danh sách nhưng khi tôi thoát khỏi chế độ xem Tìm kiếm, nó sẽ không trả lại các Mục Danh sách Gốc.Chế độ xem Tìm kiếm Xem ListView
public class PlacesListAdapter extends ArrayAdapter<Place> implements
Filterable {
public Context context;
private List<Place> places, orig, itemDetailsrrayList;
private PlaceFilter filter;
public PlacesListAdapter(Context context, int textViewResourceId) {
super(context, textViewResourceId);
}
public PlacesListAdapter(Context context, int resource, List<Place> places) {
super(context, resource, places);
this.context = context;
this.places = places;
itemDetailsrrayList = places;
orig = itemDetailsrrayList;
filter = new PlaceFilter();
// imageLoader = new ImageLoader(context.getApplicationContext());
}
public int getCount() {
return itemDetailsrrayList.size();
}
public Place getItem(int position) {
return itemDetailsrrayList.get(position);
}
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
// View view = convertView;
// Place p = places.get(position);
if (convertView == null) {
LayoutInflater viewInflater;
viewInflater = LayoutInflater.from(getContext());
convertView = viewInflater.inflate(R.layout.item_place, null);
holder = new ViewHolder();
holder.placeTitle = (TextView) convertView
.findViewById(R.id.place_title);
holder.placeDistance = (TextView) convertView
.findViewById(R.id.place_distance);
holder.placeCategoryIcon = (ImageView) convertView
.findViewById(R.id.place_category_icon);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.placeTitle.setText(itemDetailsrrayList.get(position)
.getPlaceTitle());
holder.placeDistance.setText("200");
holder.placeCategoryIcon.setImageResource(R.drawable.icon_category);
return convertView;
}
static class ViewHolder {
TextView placeId;
TextView placeTitle;
TextView placeDistance;
ImageView placeCategoryIcon;
}
@Override
public Filter getFilter() {
// TODO Auto-generated method stub
return filter;
}
private class PlaceFilter extends Filter {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults oReturn = new FilterResults();
ArrayList<Place> results = new ArrayList<Place>();
if (orig == null)
orig = itemDetailsrrayList;
if (constraint != null) {
if (orig != null && orig.size() > 0) {
for (Place g : orig) {
if (g.getPlaceTitle().toLowerCase()
.contains(constraint.toString().toLowerCase()))
results.add(g);
}
}
oReturn.values = results;
}
return oReturn;
}
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint,
FilterResults results) {
itemDetailsrrayList = (ArrayList<Place>) results.values;
notifyDataSetChanged();
}
}
}
MainActivity.java
public class MainActivity extends SherlockFragmentActivity implements
SearchView.OnQueryTextListener {
protected static CharSequence[] _categories = { "Amusement Park",
"Bird Sanctuary", "Wild Life", "River", "Hill Station", "Temple",
"Rafting", "Fishing", "Hiking", "Museums" };
protected static boolean[] _selections = new boolean[_categories.length];
private final String[] places = new String[] { "Mysore", "Bangalore",
"Mangalore", "Wayanad", "Bandipur National Park", "Chickmaglur",
"Bandipura", "Coorg", "Kodaikanal", "Hampi", "Ghati Subramanya",
"Mekedatu", "Muththathhi", "Shivasamudram", "Talakadu",
"Savana Durga" };
public SearchView mSearchView;
private TextView mStatusView;
private Menu mainMenu = null;
PlacesListAdapter adapter;
ListView listView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
setContentView(R.layout.activity_main);
Log.i("Nomad", "onCreate");
List<Place> thePlaces = new ArrayList<Place>();
for (int i = 0; i < places.length; i++) {
Place pl = new Place("NO_ID", places[i], "NO_DISTANCE",
"NO_CATEGORYICON");
thePlaces.add(pl);
}
listView = (ListView) findViewById(R.id.place_list);
adapter = new PlacesListAdapter(MainActivity.this, R.layout.item_place,
thePlaces);
listView.setAdapter(adapter);
listView.setTextFilterEnabled(true);
mSearchView = (SearchView) findViewById(R.id.action_search);
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a, View view, int position,
long id) {
Toast.makeText(MainActivity.this, "Test", Toast.LENGTH_SHORT);
startActivity(new Intent(MainActivity.this, PlaceActivity.class));
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Log.i("Nomad", "onCreateOptionsMenu");
super.onCreateOptionsMenu(menu);
MenuInflater inflater = getSupportMenuInflater();
inflater.inflate(R.menu.activity_main, menu);
mainMenu = menu;
MenuItem searchItem = menu.findItem(R.id.action_search);
// Search View
mSearchView = (SearchView) searchItem.getActionView();
setupSearchView(searchItem);
mSearchView.setOnSearchClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// hide action item
if (mainMenu != null) {
mainMenu.findItem(R.id.action_category).setVisible(false);
mainMenu.findItem(R.id.action_sort).setVisible(false);
}
}
});
mSearchView.setOnCloseListener(new SearchView.OnCloseListener() {
@Override
public boolean onClose() {
// re-show the action button
if (mainMenu != null) {
mainMenu.findItem(R.id.action_category).setVisible(true);
mainMenu.findItem(R.id.action_sort).setVisible(true);
}
return false;
}
});
Log.i("Nomad", "after setupSearchView()");
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_search:
Toast.makeText(this, "Searh", Toast.LENGTH_LONG).show();
Log.i("Nomad", "Click Search");
break;
case R.id.action_category:
showDialog();
break;
case R.id.action_sort_alpha_az:
Toast.makeText(this, "Alpha AZ", Toast.LENGTH_LONG).show();
break;
case R.id.action_sort_alpha_za:
Toast.makeText(this, "Alpha ZA", Toast.LENGTH_LONG).show();
break;
case R.id.action_sort_dist_nf:
Toast.makeText(this, "Dist NF", Toast.LENGTH_LONG).show();
break;
case R.id.action_sort_dist_fn:
Toast.makeText(this, "Dist FN", Toast.LENGTH_LONG).show();
break;
default:
// return super.onOptionsItemSelected(item);
break;
}
return true;
}
private void setupSearchView(MenuItem searchItem) {
mSearchView.setIconifiedByDefault(true);
mSearchView.setOnQueryTextListener(this);
mSearchView.setSubmitButtonEnabled(false);
searchItem.setShowAsActionFlags(MenuItem.SHOW_AS_ACTION_ALWAYS);
// | MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW
}
public boolean onQueryTextChange(String newText) {
Log.i("Nomad", "onQueryTextChange");
if (TextUtils.isEmpty(newText)) {
Log.i("Nomad", "onQueryTextChange Empty String");
listView.clearTextFilter();
} else {
Log.i("Nomad", "onQueryTextChange " + newText.toString());
adapter.getFilter().filter(newText.toString());
}
return true;
}
public boolean onQueryTextSubmit(String query) {
Log.i("Nomad", "onQueryTextSubmit");
return false;
}
public boolean onClose() {
Log.i("Nomad", "onClose");
return false;
}
protected boolean isAlwaysExpanded() {
return false;
}
}
không có tác vụ nào không hoạt động. cập nhật mã của tôi –
@HarshaMV Tôi không thấy bất kỳ mã nào để đặt lại bộ điều hợp khi đóng 'SearchView'. Đặt dòng 'adapter.getFilter(). Filter (" ");' vào phương thức 'onClose()' của 'SeachView' của' OnCloseListener'. – Luksprog
Chết tiệt !! quên rằng: D cảm ơn rất nhiều: D –