objective-Cからswiftになってどこかに行ったものメモ

メモです。
使うときに少しでも調べたもの。

たまに増やすと思います。
swiftは3.0です。

Notification

objective-C

[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];

swift

NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(_:)), name: Notification.Name.UIKeyboardWillShow, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(_:)), name: Notification.Name.UIKeyboardWillHide, object: nil)

bounds

objective-C

CGRect bounds = [UIScreen mainScreen].bounds;

swift

let bounds = UIScreen.main.bounds

CGAffineTransform

objective-C

self.view.transform = CGAffineTransformMakeTranslation(0, 100);
self.view.transform = CGAffineTransformIdentity;

swift

self.view.transform = self.view.transform.translatedBy(x: 0, y: 100)
self.view.transform = CGAffineTransform.identity

変換

objective-C

NSInteger num = 10;
NSString *str = [NSString stringWithFormat:@"%@", @(num)];

swift

let num:Int = 10
let str = String(num)

readonly

objective-C

@property (readonly) NSString* name;
...
- (NSString*)name {
    return @"name";
}

swift

var name:String {
    get {
         return "name"
    }
}

dispatch_async

objective-C

dispatch_async(dispatch_get_main_queue(), ^{ });

swift

DispatchQueue.main.async { }

同期

objective-C

@synchronized (self) { ... }

swift

fileprivate func synchronized(_ obj: AnyObject, closure: () -> Void) {
    objc_sync_enter(obj)
    closure()
    objc_sync_exit(obj)
}

synchronized(self) {
    ...
}

テンプレ

objective-C

swift