@property, @synthesize ; what is
@property
can declare getter/setter
property | equiv to |
---|---|
@property | getter/setter|yes |
@property(readwrite) | getter/setter (same as above) |
@property(readonly) | getter|yes |
@synthesize
can cut out getter/setter logic if set @property in interface
how initialize
(@property(readonly) 's is in another article ... (editing))
(in iOS App develop)
XYZViewController.h
#import <UIKit/UIKit.h> @interface XYZViewController : UIViewController @property(atomic, retain) NSString *set_get_str; @property(readwrite, atomic, retain) NSString *set_get_str_another; @end
XYZController.h
#import "XYZViewController.h" @interface XYZViewController () @end @implementation XYZViewController @synthesize read_str; @synthesize set_get_str; - (void)viewDidLoad { [super viewDidLoad]; [self init]; } - (id) init { self = [super init]; if(self) { self.set_get_str = @"setter/getter"; self.set_get_str_another = @"setter/getter another"; } return self; }