2014/10/15 下午 10:11:36

iphone Programming Glossary: mutator

Difference between @interface declaration and @property declaration

http://stackoverflow.com/questions/2159725/difference-between-interface-declaration-and-property-declaration

aVar Since methods are public in Objective C the answer is to write an accessor getter method that returns aVar and a mutator setter method that sets aVar In header .h file int aVar void setAVar int newAVar In implementation .m file int aVar return.. aVar newAVar Now other classes can get and set aVar via myclass aVar myclass setAVar 24 Writing these accessor and mutator methods can get quite tedious so in Objective C 2.0 Apple simplified it for us. We can now write In header .h file @property.. In header .h file @property nonatomic assign int aVar In implementation .m file @synthesize aVar ...and the accessor mutator methods will be automatically generated for us. To sum up int aVar declares an instance variable aVar @property nonatomic..

Difference between self.ivar and ivar?

http://stackoverflow.com/questions/4142177/difference-between-self-ivar-and-ivar

an ivar i.e. self.ivar ... iphone objective c ios share improve this question self.name uses the accessor and or mutator defined by you this is nonatomic and retain in your case . So when you call self.name foo it will call the setName NSString.. you this is nonatomic and retain in your case . So when you call self.name foo it will call the setName NSString str mutator generated by the compiler which will first release the current string then retains the new string and finally sets name..

Repeating NSTimer, weak reference, owning reference or iVar?

http://stackoverflow.com/questions/4945028/repeating-nstimer-weak-reference-owning-reference-or-ivar

provide your own setter. Rescheduling a timer is in my opinion not a good reason to break encapsulation here provide a mutator if you need to do that. Set the timer up with a target other than self. There are plenty of ways doing so. Maybe through..