Objective-C: How to put boolean values in JSON dictionary?
You insert booleans into a dictionary using NSNumber. In this case, you can use the literal expression @YES directly, together with a dictionary literal, to make this a one-liner:
NSDictionary *jsonDict = @{@"key" : @YES};To encode it to JSON, use +[NSJSONSerialization dataWithJSONObject:options:error]:
NSError *serializationError;NSData *jsonData = [NSJSONSerialization dataWithJSONObject:jsonDict options:0 error:&serializationError];if (!jsonData) { NSLog(@"%s: error serializing to JSON: object %@ - error %@", __func__, jsonDict, serializationError];}
+[NSNumber numberWithBool:] is the typical way to add a boolean to a NSDictionary.
With Objective-C literals, [NSNumber numberWithBool:YES] can be represented with just @YES,
You can create your dictionary like so:
NSDictionary *jsonDict = @{@"key":@YES};