NSJSONSerialization

Versions

[{“Name”:“Modern”,“GroupName”:null}]

Syntax

• (id)JSONObjectWithData:(NSData *)data

options:(NSJSONReadingOptions)opt
  error:(NSError * _Nullable *)error

Parameters

Operator|Description| —— | —— | data | A data object containing JSON data | opt |Options for reading the JSON data and creating the Foundation objects. | error | If an error occurs, upon return contains an NSError object that describes the problem. |

Remarks

NSJSONSerialization is Available in iOS 5.0 and later An object that may be converted to JSON must have the following properties:

• The top level object is an NSArray or NSDictionary.
• All objects are instances of NSString, NSNumber, NSArray, NSDictionary, or NSNull.
• All dictionary keys are instances of NSString.
• Numbers are not NaN or infinity.