RPChoice class Null safety

The choice object which the participant can choose during a RPQuestionStep with RPChoiceAnswerFormat.



RPChoice({required String text, required int value, bool isFreeText = false, String? detailText})
Default constructor.
RPChoice.fromJson(Map<String, dynamic> json)


$type String?
The runtime class name (type) of this object. Used for deserialization from JSON objects.
read / write, inherited
detailText String?
The detailed text to show if needed.
read / write
fromJsonFunction Function
The function which can convert a JSON string to an object of this type.
read-only, override
hashCode int
The hash code for this object. [...]
read-only, inherited
isFreeText bool
If set to true, then the user can enter the text instead of the default text which was provided. The value remains the same. By default it is set to false.
read / write
jsonType String
Return the $type to be used for JSON serialization of this class. Default is runtimeType. Only specify this if you need another type.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
text String
The text to display.
read / write
value int
The value of this choice - for example 4 on a 0-5 scale.
read / write


noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
toJson() Map<String, dynamic>
Return a JSON encoding of this object.
toString() String
A string representation of this object. [...]


operator ==(Object other) bool
The equality operator. [...]