UIView Animation 与 CACoreAnimation

#import "AnimationViewController.h"

@interface AnimationViewController ()


@property (nonatomic, strong) UIButton *frameAnimationButton;

@end

@implementation AnimationViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.frameAnimationButton =  [[UIButton alloc]init];
    self.frameAnimationButton.frame = CGRectMake(100, 100, 100, 100);
    self.frameAnimationButton.backgroundColor = [UIColor redColor];
    [self.frameAnimationButton addTarget:self action:@selector(doFrameAnination) forControlEvents:UIControlEventTouchDown];
    [self.view addSubview:self.frameAnimationButton];
    
}

// 点击执行Frame动画 刚开始的frame (100, 100, 100, 100) 点击以后执行动画 2秒内修改成 (200, 200, 50, 50) 动画执行完成后回到原点
- (void)doFrameAnination
{
    
    [UIView animateWithDuration:2 animations:^{
        self.frameAnimationButton.frame = CGRectMake(200, 200, 50, 50);
    } completion:^(BOOL finished) {
        self.frameAnimationButton.frame = CGRectMake(100, 100, 100, 100);
    }];
}

@end