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    <p>Yes, I had the same problem and reading what rockford posted I could solve it, don't be necessary to use getApplicationContext() when you're implementing an adapter.</p> <p>Here is the code of my ListFragment class:</p> <pre><code>public class TipoProveedorFavoritoActivity extends ListFragment { Context mContext; MiApp myApp; Usuario usuario; ProgressDialog progressDialog; @Override public void onActivityCreated(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onActivityCreated(savedInstanceState); //getListView().setCacheColorHint(Color.BLACK); } @Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); mContext = getActivity(); myApp = (MiApp)getActivity().getApplication(); usuario = myApp.usuario; // Progress Dialog progressDialog = new ProgressDialog(mContext); progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); progressDialog.setMessage("Espere..."); progressDialog.setProgress(0); Log.d("usuario", String.valueOf(usuario.id)); ConsultaDB consulta = new ConsultaDB(); consulta.execute(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub return inflater.inflate(R.layout.tipoproveedorfavorito_activity, container, false); } @Override public void onListItemClick(ListView l, View v, int position, long id) { // TODO Auto-generated method stub super.onListItemClick(l, v, position, id); } // Creamos la clase para el adaptador de los tipos de proveedores public static class TipoProveedorArrayAdapter extends ArrayAdapter&lt;TipoProveedor&gt; { public Context context; public List&lt;TipoProveedor&gt; listaTipoProveedor; public TipoProveedorArrayAdapter(Context context,List&lt;TipoProveedor&gt; listaTipoProveedor){ super(context, R.layout.tipoproveedorfavorito_activity,listaTipoProveedor); this.context = context; this.listaTipoProveedor = listaTipoProveedor; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub View view; if(convertView==null){ LayoutInflater layoutInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = layoutInflater.inflate(R.layout.tipoproveedor_content, parent,false); final ViewHolder holder = new ViewHolder(); //holder.txtId=(TextView)view.findViewById(R.id.txtId); holder.txtTipoProveedor=(TextView)view.findViewById(R.id.txtTipoProveedor); view.setTag(holder); holder.txtTipoProveedor.setTag(listaTipoProveedor.get(position)); }else{ view=convertView; ViewHolder holder2 = (ViewHolder)view.getTag(); holder2.txtTipoProveedor.setTag(listaTipoProveedor.get(position)); } ViewHolder holder = (ViewHolder)view.getTag(); TipoProveedor tipoProveedor = listaTipoProveedor.get(position); //holder.txtId.setText(String.valueOf(tipoProveedor.id) ); holder.txtTipoProveedor.setText(tipoProveedor.tipoProveedor); return view; } private class ViewHolder{ //public TextView txtId; public TextView txtTipoProveedor; } } private class ConsultaDB extends AsyncTask&lt;Void, Integer, TipoProveedorArrayAdapter&gt;{ @Override protected void onPostExecute(TipoProveedorArrayAdapter result) { // TODO Auto-generated method stub super.onPostExecute(result); setListAdapter(result); progressDialog.dismiss(); } @Override protected void onPreExecute() { // TODO Auto-generated method stub super.onPreExecute(); progressDialog.show(); } @Override protected TipoProveedorArrayAdapter doInBackground(Void... params) { // TODO Auto-generated method stub String SQL = "SELECT t2.tipoProveedor AS id,t3.descripcion From Favoritos t1 " + "INNER JOIN Proveedor t2 ON t2.id = t1.idProveedor " + "INNER JOIN TipoProveedor t3 ON t3.id = t2.tipoProveedor " + "Where t1.idUsuario = ? GROUP BY t2.tipoProveedor,t3.descripcion ORDER BY t2.tipoProveedor"; UtilDB db = UtilDB.GetUtilDb(mContext); db.openDataBase(); Cursor cursor = db.getDataBase().rawQuery(SQL,new String[]{String.valueOf(usuario.id)}); //Cursor cursor = db.getDataBase().rawQuery(SQL,null); List&lt;TipoProveedor&gt; tipoProveedor = new ArrayList&lt;TipoProveedor&gt;(); while(cursor.moveToNext()){ long id = cursor.getLong(cursor.getColumnIndex("id")); String descripcion = cursor.getString(cursor.getColumnIndex("descripcion")); TipoProveedor tp = new TipoProveedor(); tp.id=id; tp.tipoProveedor=descripcion; tipoProveedor.add(tp); } cursor.close(); db.close(); TipoProveedorArrayAdapter adapter = new TipoProveedorArrayAdapter(mContext, tipoProveedor); //setListAdapter(adapter); return adapter; } } } </code></pre>
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