edwardean

//
//  DeallocationChecker.swift
//  DeallocationChecker
//
//  Created by Arkadiusz Holko on {TODAY}.
//  Copyright © 2017 DeallocationChecker. All rights reserved.
//
import UIKit

extension UIViewController {

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- (void)drawGradientWithContext:(CGContextRef)context colors:(NSArray <id> *)colors path:(CGPathRef)path
                            aplha:(CGFloat)alpha startPointY:(CGFloat)startY {
    
    
    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    CGFloat locations[] = {0.0, 1.0};
    CGContextSaveGState(context);
    
    CGContextAddPath(context, path);
    CGContextClip(context);

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- (void)layoutSubviews {
    [super layoutSubviews];
    if (self.shouldAnimateShadowPath) {
        CAAnimation *animation = [self.layer animationForKey:@"bounds.size"];
        if (animation) {
            // 通过CABasicAnimation类来为shadowPath添加动画
            CABasicAnimation *shadowPathAnimation = [CABasicAnimation animationWithKeyPath:@"shadowPath"];
            // 根据bounds的动画属性设置shadowPath的动画属性
            shadowPathAnimation.timingFunction = animation.timingFunction;
            shadowPathAnimation.duration = animation.duration;

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import UIKit

private weak var currentFirstResponder: AnyObject?

extension UIResponder {
    @objc func findFirstResponder() -> AnyObject? {
        currentFirstResponder = nil
        UIApplication.shared.sendAction(#selector(findFirstResponder(_:)), to: nil, from: self, for: nil)
        return currentFirstResponder
    }

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OBJC_PRINT_REPLACED_METHODS

DYLD_PRINT_STATISTICS

OS_ACTIVITY_MODE

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- (void)musicAnimation {
    
    CAReplicatorLayer *r = [[CAReplicatorLayer alloc] init];
    r.bounds = (CGRect){0,0,60,60};
    r.position = self.view.center;
    [self.view.layer addSublayer:r];
    
    CALayer *bar = [[CALayer alloc] init];
    bar.bounds = CGRectMake(0, 0, 8, 40);
    bar.position = CGPointMake(10, 75);

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 [UIView transitionWithView:_animatedLabel duration:0.5 options:UIViewAnimationOptionTransitionCrossDissolve animations:^{ _animatedLabel.textColor = colorChanged?[UIColor greenColor]:[UIColor blackColor]; } completion:^(BOOL finished) { }];

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[self.navigationController.navigationBar setTranslucent:NO];
[navigationBar setBackgroundImage:[UIImage imageNamed:@“NavigaionBarBackground”] forBarPosition:UIBarPositionAny barMetrics:UIBarMetricsDefault];
[navigationBar setShadowImage:[UIImage new]];

ToolBar.clipToBounds = YES;

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  CATransition *animation = [CATransition animation];
  animation.duration = 0.5;
  animation.type = kCATransitionFade;
  animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
  [self.navigationController.navigationBar.layer addAnimation:animation forKey:@"changeTextTransition"];
  self.title = title;

edwardean

class Once {
    static let run: Void = {
        print(“code execute”)
    }()
}