private void UpdatePurchasedItem(string productId, int quantity)
{
if (quantity == 0)
{
mDb.Delete(PURCHASED_ITEMS_TABLE_NAME, PURCHASED_PRODUCT_ID_COL + "=?", new string[] { productId });
return;
}
ContentValues values = new ContentValues();
values.Put(PURCHASED_PRODUCT_ID_COL, productId);
values.Put(PURCHASED_QUANTITY_COL, quantity);
mDb.Replace(PURCHASED_ITEMS_TABLE_NAME, null, values); // nullColumnHack
}