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POnotifyDataSetChanged() doesn't work with my adapter for gridview
 

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  1. POnotifyDataSetChanged() doesn't work with my adapter for gridview
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    <p>I have a <code>GridView</code> and adapter for <code>GridView</code> (BasketAdapter extends <code>BaseAdapter</code>).</p> <p>I load data in <code>GridView</code> from sharedpref file. After I change data, I resave sharedpref file with data and call <code>notifyDataSetChanged()</code>. But <code>notifyDataSetChanged()</code> doesn't work unfortunately.</p> <p>If I create new adapter and set it to my <code>GridView</code>, it works. Can anyone help me with this issue?</p> <p>Here is my code: </p> <pre><code>public class FragmentBasket extends SherlockFragment { // my gridview GridView gvCatalogAllStoneBasket; // list of data from shared pref ArrayList&lt;CatalogItem&gt; catalogItemBasket = new ArrayList&lt;CatalogItem&gt;(); ActionMode mode; public static CatalogItem catalogItem; // id variables for actionmode's actions static final int ID_DELETE = 1; static final int ID_EDIT = 2; // shared pref id string static String SHARED_PREFS_FILE = "basket"; // my adapter BasketAdapter adapter = null; public FragmentBasket() { } @Override public void onStart() { super.onStart(); // loading saved data from file new GetCatalogAllStoneBasket().execute(); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Receiver receiver = new Receiver(); IntentFilter intentFilterAdd = new IntentFilter("com.example.myproject.ADD_ITEM_BASKET"); IntentFilter intentFilterEdit = new IntentFilter("com.example.myproject.EDIT_ITEM_BASKET"); IntentFilter intentFilterDelete = new IntentFilter("com.example.myproject.DELETE_ITEM_BASKET"); getActivity().registerReceiver(receiver, intentFilterAdd); getActivity().registerReceiver(receiver, intentFilterEdit); getActivity().registerReceiver(receiver, intentFilterDelete); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.right_panel_fragment_catalog_grid, container, false); gvCatalogAllStoneBasket = (GridView)view.findViewById(R.id.gvCatalogAllStoneBasket); gvCatalogAllStoneBasket.setOnItemLongClickListener(new OnItemLongClickListener() { @Override public boolean onItemLongClick(AdapterView&lt;?&gt; parent, View view, int position, long id) { // start action mode and send id of clicked item mode = getSherlockActivity().startActionMode(new ActionModeOfBasket(String.valueOf(view.getTag()))); return false; } }); return view; } private final class ActionModeOfBasket implements ActionMode.Callback { String itemId; public ActionModeOfBasket(String itemId) { // get id from clicked item this.itemId = itemId; } @Override public boolean onCreateActionMode(ActionMode mode, Menu menu) { menu.add(0, ID_EDIT, 0, "Edit") .setIcon(android.R.drawable.ic_menu_edit) .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW); menu.add(0, ID_DELETE, 1, "Delete") .setIcon(android.R.drawable.ic_menu_delete) .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW); return true; } @Override public boolean onPrepareActionMode(ActionMode mode, Menu menu) { return false; } @Override public boolean onActionItemClicked(ActionMode mode, MenuItem item) { // get file SharedPreferences sPref = getActivity().getSharedPreferences(SHARED_PREFS_FILE, getActivity().MODE_PRIVATE); // open file for reading, writing BasketHelper bHelper = new BasketHelper(sPref, getActivity()); switch (item.getItemId()) { // if clicked del button case ID_DELETE: // delete item bHelper.DelItem(itemId); mode.finish(); catalogItemBasket = bHelper.GetAllItems(); break; // if clicked edit button case ID_EDIT: // edit item bHelper.EditItem(itemId, getFragmentManager()); mode.finish(); catalogItemBasket = bHelper.GetAllItems(); break; } return true; } @Override public void onDestroyActionMode(ActionMode mode) { } } class GetCatalogAllStoneBasket extends AsyncTask&lt;String, String, String&gt; { @Override protected void onPreExecute() { super.onPreExecute(); } @Override protected String doInBackground(String... params) { SharedPreferences sPref = getActivity().getSharedPreferences(FragmentCatalogStonePosition.SHARED_PREFS_FILE, getActivity().MODE_PRIVATE); try { if(sPref.getString(FragmentCatalogStonePosition.TASK, null) != null) { BasketHelper bHelper = new BasketHelper(sPref, getActivity()); catalogItemBasket = bHelper.GetAllItems(); } } catch (Exception e) { Log.d(MainActivity.tag, e.getMessage() + " " + e.getCause()); e.printStackTrace(); } return null; } @Override protected void onPostExecute(String result) { super.onPostExecute(result); adapter = new BasketAdapter(getActivity(), catalogItemBasket); gvCatalogAllStoneBasket.setAdapter(adapter); } } class Receiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if(intent.getAction().toString() == "com.example.myproject.ADD_ITEM_BASKET") { } else if(intent.getAction().toString() == "com.example.myproject.EDIT_ITEM_BASKET") { // this code doesn't work ((( adapter.notifyDataSetChanged(); // this one successfully works BasketAdapter bAdapter = new BasketAdapter(getActivity(), catalogItemBasket); gvCatalogAllStoneBasket.setAdapter(bAdapter); } else if(intent.getAction().toString() == "com.example.myproject.DELETE_ITEM_BASKET") { } } } class BasketAdapter extends BaseAdapter { Context context = null; ArrayList&lt;CatalogItem&gt; data = null; public BasketAdapter(Context context, ArrayList&lt;CatalogItem&gt; data) { this.context = context; this.data = data; } @Override public int getCount() { return data.size(); } public CatalogItem getItem(int position) { return data.get(position); } @Override public long getItemId(int position) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { View view = convertView; if(view == null) { LayoutInflater inflater = getLayoutInflater(null); view = inflater.inflate(R.layout.right_panel_fragment_catalog_grid_item, parent, false); CatalogItem item = getItem(position); ((TextView)view.findViewById(R.id.tvCatalogItemBasketName)).setText(item.name + " / " + item.code); Double gPrice = Double.valueOf(item.price) * Double.valueOf(item.count); ((TextView)view.findViewById(R.id.tvCatalogItemBasketCount)).setText(String.valueOf(item.count)); ((TextView)view.findViewById(R.id.tvCatalogItemBasketGeneralPrice)).setText(String.valueOf(gPrice)); ((TextView)view.findViewById(R.id.tvCatalogItemBasketDescription)).setText(item.description); final ImageView imgView = (ImageView)view.findViewById(R.id.ivCatalogItemBasketImage); String strURL = "http://myproject.ua/images/stock/" + item.folder + "/" + item.images + "_800x600.jpg"; ImageLoaderConfiguration config = ImageHelper.ImageConfig(getActivity().getApplicationContext()); DisplayImageOptions options = ImageHelper.ImageOptions(); ImageLoader imageLoader = ImageLoader.getInstance(); imageLoader.init(config); final ProgressBar pImgDialog = (ProgressBar)view.findViewById(R.id.pbImage); imageLoader.displayImage(strURL, imgView, options, new ImageLoadingListener() { @Override public void onLoadingStarted(String imageUri, View view) { pImgDialog.setVisibility(View.VISIBLE); imgView.setVisibility(View.GONE); } @Override public void onLoadingFailed(String imageUri, View view, FailReason failReason) { pImgDialog.setVisibility(View.GONE); imgView.setVisibility(View.VISIBLE); } @Override public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) { pImgDialog.setVisibility(View.GONE); imgView.setVisibility(View.VISIBLE); } @Override public void onLoadingCancelled(String imageUri, View view) { pImgDialog.setVisibility(View.GONE); imgView.setVisibility(View.VISIBLE); } }); view.setTag(item.catalog_id); } return view; } } } </code></pre>
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