json - MapKit Annotations Imported From MySQL -
i've been creating app supposed show pins on map stored in mysql database. i've used javascript convert database json converted json data nsstrings, problem here needed convert 2 of these nsstrings doubles because pins need placed via latitude , longitude, here code below when builds shows no issues crashes simulator , shows errors shall post directly under code. if can me solve forever grateful: hazards.h #import <foundation/foundation.h> #import <mapkit/mapkit.h> @interface hazards : nsobject <mkannotation> @property (nonatomic, assign) cllocationdegrees latitude; @property (nonatomic, assign) cllocationdegrees longitude; @property (nonatomic, copy) nsstring *title; @property (nonatomic, copy) nsstring *subtitle; @property (nonatomic, strong) nsstring * id; @property (nonatomic, strong) nsstring * route; @property (nonatomic, strong) nsstring * address; @property (nonatomic, strong) nsstring * latitude; @property (nonatomic, strong) nsstring * lon...