How to check object in model class when its null sometime in response in flutter

Question

Error is shown when subscription object is null which is the required type parameter.

Error: NoSuchMethodError: The method '[]' was called on null. Receiver: null Tried calling:

How to solve this error, arrived on when subscription object is null.

Mohammad Faizan · Answer

please try with this

if(json['subscription'] !=null) { subscription = Subscription.fromJson(json['subscription']); }