void SetProduct(Bundle bundle) { totalSale += bundle.getFloat("price"); lblTotal.setText( getString(R.string.currency_symbol) + Functions.GetFloatValueWithTwoDecimals(totalSale)); Product product = new Product(bundle.getInt("id"), bundle.getString("name")); product.setPrice(bundle.getFloat("price")); if (productAdapter == null) { ArrayList<Product> products = new ArrayList<Product>(); productAdapter = new ProductAdapter(this, products); ListView lstProducts = (ListView) findViewById(R.id.lstProductList); lstProducts.setAdapter(productAdapter); } productAdapter.add(product); productAdapter.notifyDataSetChanged(); }