//ma fonction appui long sur ma listview
 mRecetteList.setOnItemLongClickListener(new OnItemLongClickListener() {
             public boolean onItemLongClick(AdapterView parent, View v, int position, long id) {
                ilaposition=position;
             //création d'un boite de dialogue pour confirmer le choix
             new AlertDialog.Builder(EnregRecette.this)
                 .setTitle("Confirmation")
                 .setMessage("Voulez vous supprimer cet ingredient de la liste")
                 .setPositiveButton("OUI", new DialogInterface.OnClickListener()
                 {
                      public void onClick(DialogInterface dialog, int whichButton)
                      {
                         aTableauIngredientaff.remove(ilaposition);
                        aTableauIngredient.remove(ilaposition);
                        mRecetteList = (ListView) findViewById(android.R.id.list);
                        final ArrayAdapter adapter2 = new ArrayAdapter(getBaseContext(),
                                    android.R.layout.simple_list_item_1,aTableauIngredientaff);
                        mRecetteList.setAdapter(adapter2);
                      }
                 })
                 .setNegativeButton("NON", new DialogInterface.OnClickListener() {
                 public void onClick(DialogInterface dialog, int whichButton) {
                     /* User clicked Cancel so do some stuff */
                 }
             })
                 .show();
                 return true;
             }