Day.02.24 UIView动画

#import "ViewController.h"

@interface ViewController ()

//连线yellowView
@property (weak, nonatomic) IBOutlet UIView *yellowView;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
   
    //UIView 的动画效果: 在view的形变中加入过渡效果
    
}

// 连线普通动画
- (IBAction)normalAnimation:(id)sender {
    
    //1.开启动画
    [UIView beginAnimations:@"normal" context:nil];
    
    //2.设置动画的相关属性
    
        //代理
    [UIView setAnimationDelegate:self];
    
        //持续时间:决定动画速度
    [UIView setAnimationDuration:10];
    
        //重复次数
//    [UIView setAnimationRepeatCount:2];
    
        //加速方式
    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
    
    //动画效果
    _yellowView.transform = CGAffineTransformRotate(_yellowView.transform, M_PI);
    
    //提交动画
    [UIView commitAnimations];
    
}



//连线Block动画
- (IBAction)blockAnimation:(id)sender {
    
    [UIView animateWithDuration:1 animations:^{
        
        _yellowView.transform = CGAffineTransformRotate(_yellowView.transform, M_PI);
    }completion:^(BOOL finished) {
        
        NSLog(@"动画完成时调用的代码");
    }];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

屏幕快照 2016-02-24 上午10.50.02.png