addToCart method
Add item to cart.
Implementation
@override
Future<bool> addToCart(String sku, int quantity, [Map<String, dynamic>? productOption]) async {
try {
final result = await methodChannel.invokeMethod<bool>('addToCart', {
'sku': sku,
'quantity': quantity,
'productOption': productOption,
});
return result ?? false;
} catch (e) {
_error = e.toString();
return false;
}
}