FastResponseAdAsset.fromJson constructor
Factory constructor to create a FastResponseAdAsset object from a JSON map.
Implementation
factory FastResponseAdAsset.fromJson(Map<String, dynamic> json) {
var small = json['small'] as String?;
var medium = json['medium'] as String?;
var large = json['large'] as String?;
if (small == null || !isValidUrl(small)) {
small = null;
}
if (medium == null || !isValidUrl(medium)) {
medium = null;
}
if (large == null || !isValidUrl(large)) {
large = null;
}
return FastResponseAdAsset(small: small, medium: medium, large: large);
}