NYTimes Objective-C 编程风格指南
view.backgroundColor = [UIColor orangeColor];
[UIApplication sharedApplication].delegate;
[view setBackgroundColor:[UIColor orangeColor]];
UIApplication.sharedApplication.delegate;
if (user.isHappy) {
//Do something
}
else {
//Do something else
}
if (!error) {
return success;
}
if (!error)
return success;
if (!error) return success;
result = a > b ? x : y;
result = a > b ? x = c > d ? c : d : y;
(void)setExampleText:(NSString *)text image:(UIImage *)image;
NSString *text;
NSString* text;
NSString * text;
@interface NYTSection: NSObject
@property (nonatomic) NSString *headline;
@end
@interface NYTSection : NSObject {
NSString *headline;
}
UIButton *setBut;
static const NSTimeInterval NYTArticleViewControllerNavigationFadeAnimationDuration = 0.3;
static const NSTimeInterval fadetime = 1.7;
@synthesize descriptiveVariableName = _descriptiveVariableName;
id varnm;
NSArray *names = @[@"Brian", @"Matt", @"Chris", @"Alex", @"Steve", @"Paul"];
NSDictionary *productManagers = @{@"iPhone" : @"Kate", @"iPad" : @"Kamal", @"Mobile Web" : @"Bill"};
NSNumber *shouldUseLiterals = @YES;
NSNumber *buildingZIPCode = @10018;
NSArray *names = [NSArray arrayWithObjects:@"Brian", @"Matt", @"Chris", @"Alex", @"Steve", @"Paul", nil];
NSDictionary *productManagers = [NSDictionary dictionaryWithObjectsAndKeys: @"Kate", @"iPhone", @"Kamal", @"iPad", @"Bill", @"Mobile Web", nil];
NSNumber *shouldUseLiterals = [NSNumber numberWithBool:YES];
NSNumber *ZIPCode = [NSNumber numberWithInteger:10018];
CGRect frame = self.view.frame;
CGFloat x = CGRectGetMinX(frame);
CGFloat y = CGRectGetMinY(frame);
CGFloat width = CGRectGetWidth(frame);
CGFloat height = CGRectGetHeight(frame);
CGRect frame = self.view.frame;
CGFloat x = frame.origin.x;
CGFloat y = frame.origin.y;
CGFloat width = frame.size.width;
CGFloat height = frame.size.height;
static NSString * const NYTAboutViewControllerCompanyName = @"The New York Times Company";
static const CGFloat NYTImageThumbnailHeight = 50.0;
#define CompanyName @"The New York Times Company"
#define thumbnailHeight 2
typedef NS_ENUM(NSInteger, NYTAdRequestState) {
NYTAdRequestStateInactive,
NYTAdRequestStateLoading
};
私有属性
@interface NYTAdvertisement ()
@property (nonatomic, strong) GADBannerView *googleAdView;
@property (nonatomic, strong) ADBannerView *iAdView;
@property (nonatomic, strong) UIWebView *adXWebView;
@end
RefreshBarButtonItem / RefreshBarButtonItem@2x and RefreshBarButtonItemSelected / RefreshBarButtonItemSelected@2x
ArticleNavigationBarWhite / ArticleNavigationBarWhite@2x and ArticleNavigationBarBlackSelected / ArticleNavigationBarBlackSelected@2x.
if (!someObject) {
if (someObject == nil) {
}
if (isAwesome)
if (![someObject boolValue])
if ([someObject boolValue] == NO)
if (isAwesome == YES) // Never do this.
@property (assign, getter=isEditable) BOOL editable;
(instancetype)sharedInstance {
static id sharedInstance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedInstance = [[self alloc] init];
});
return sharedInstance;
}
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