动画总结(UIView的动画)

Main.storyboard

ViewController.m

//

//  ViewController.m

//  8A08.动画总结

//

//  Created by huan on 16/2/6.

//  Copyright © 2016年 huanxi. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

@property (weak, nonatomic) IBOutlet UIImageView *imageView;

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

//打印中心点 position anchorPoint

#warning 默认图层的"position" 就是“控件”的中心点

NSLog(@"中心点 %@",  NSStringFromCGPoint(self.imageView.center));

NSLog(@"position %@",  NSStringFromCGPoint(self.imageView.layer.position));

NSLog(@"anchorPoint %@",  NSStringFromCGPoint(self.imageView.layer.anchorPoint));

}

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

//动画总结

//    [self test1];

//    [self test2];

//    [self test3];

//    [self test4];

}

//1. UIView动画

-(void)test1{

[UIView beginAnimations:nil context:nil];

//设置时间

[UIView setAnimationDuration:3];

//监听动画的完成

[UIView setAnimationDelegate:self];

[UIView setAnimationDidStopSelector:@selector(stop)];

//实现动画代码

self.imageView.center = CGPointMake(200, 200);

[UIView commitAnimations];

}

//2.UIView的block动画

-(void)stop{

NSLog(@"%s", __func__);

}

-(void)test2{

[UIView animateWithDuration:3 animations:^{

self.imageView.center = CGPointMake(200, 200);

} completion:^(BOOL finished) {

NSLog(@"动画完成");

}];

}

//3.UIView的转场动画

-(void)test3{

//    UIViewAnimationOptionTransitionNone            = 0 << 20, // default

//    UIViewAnimationOptionTransitionFlipFromLeft    = 1 << 20,

//    UIViewAnimationOptionTransitionFlipFromRight   = 2 << 20,

//    UIViewAnimationOptionTransitionCurlUp          = 3 << 20,

//    UIViewAnimationOptionTransitionCurlDown        = 4 << 20,

//    UIViewAnimationOptionTransitionCrossDissolve   = 5 << 20,

//    UIViewAnimationOptionTransitionFlipFromTop     = 6 << 20,

//    UIViewAnimationOptionTransitionFlipFromBottom  = 7 << 20,

[UIView transitionWithView:self.imageView duration:3 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{

//更改图片

self.imageView.image = [UIImage imageNamed:@"2.jpg"];

} completion:^(BOOL finished) {

NSLog(@"动画完成");

}];

}

//核心动画  核心动画是一个假象

-(void)test4{

//    self.imageView.image = [UIImage imageNamed:@"2.jpg"];

//    //转场动画

//    CATransition *animation = [CATransition animation];

//    animation.type = @"push";

//

//    [self.imageView.layer addAnimation:animation forKey:nil];

//核心动画是一个假象 给你一个效果（效果之后就恢复）

//平移动画

CABasicAnimation *positionAni = [CABasicAnimation animation];

positionAni.keyPath = @"position";

NSLog(@"核心动画之前的position %@", NSStringFromCGPoint(self.imageView.layer.position));

positionAni.toValue = [NSValue valueWithCGPoint:CGPointMake(200, 300)];

//核心动画 要监听动画完成 设置代理

#warning 核心动画的代理是NSObject的分类，所以不需要遵守协议

positionAni.delegate = self;

[self.imageView.layer addAnimation:positionAni forKey:nil];

}

#pragma mark 核心动画的代理

-(void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{

//    NSLog(@"动画完成");

NSLog(@"核心动画之后的position %@", NSStringFromCGPoint(self.imageView.layer.position));

}

@end