动画

#import <UIKit/UIKit.h>@interface SecondViewController : UIViewController@end

#import "SecondViewController.h"@interface SecondViewController (){           }@property (nonatomic, retain) UIView *animationView;@end@implementation SecondViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view.    self.navigationItem.title = @"CALayer";    //CALayer, 继承于NSObject;    //UIView 和 CALayer 的关系:    //1. UIView可以响应事件, CALayer不可以;    //2. UIView侧重于内容的管理, CALayer侧重于内容的绘制    //3. 两者紧密联系, 缺一不可;    //4. 总之一句话, 发之于肤, 血之于肉, 灵之于魂,        //UIView自带一个readly的属性layer(CALayer), 大小和UIView的大小一致;        self.animationView = [[UIView alloc] initWithFrame:CGRectMake(100, 300, 100, 100)];    self.animationView.backgroundColor = [UIColor redColor];    //比较重要layer属性    //设置圆角弧度;//    self.animationView.layer.cornerRadius = 50;    //设置描边:    self.animationView.layer.borderWidth = 3;    //设置颜色;    self.animationView.layer.borderColor = [UIColor greenColor].CGColor;    //设置偏移:    self.animationView.layer.shadowOffset = CGSizeMake(10, 100);    //设置阴影颜色:    self.animationView.layer.shadowColor = [UIColor blueColor].CGColor;    //设置阴影透明度;(默认0)    self.animationView.layer.shadowOpacity = 1;                    //位置:锚点距superLayer原点的距离    self.animationView.layer.position = CGPointMake(150, 300);        //锚点; 默认规定, 一个视图的左上角为(0, 0), 右下角为(1, 1), 锚点默认值为(0.5, 0.5), 与视图的中心点重合, 锚点关系着视图做变型(比如:旋转)的基准点;    self.animationView.layer.anchorPoint = CGPointMake(0, 0);        //锚点和position, 两者任意一个发生变化, 不影响另外一个, 并且为了保证另一个不变, 要改变view的frame位置        [self.view addSubview:self.animationView];    [self.animationView release];                                // CAAnimation: 作用于CALayer层的动画    // CAPropertyAnimation, 属性动画, 是抽象子类;    // CABasieAnimation, 基本动画    // CAKeyframeAnimation        UIButton *basicButton = [UIButton buttonWithType:UIButtonTypeSystem];    basicButton.frame = CGRectMake(0, 300, 375, 50);    basicButton.titleLabel.font = [UIFont systemFontOfSize:30];    [basicButton setTitle:@"CABasicAnimation" forState:UIControlStateNormal];    [basicButton addTarget:self action:@selector(basic) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:basicButton];        UIButton *keyButton = [UIButton buttonWithType:UIButtonTypeSystem];    keyButton.frame = CGRectMake(0, 150, 375, 50);    keyButton.titleLabel.font = [UIFont systemFontOfSize:30];    [keyButton setTitle:@"CAKeyAnimation" forState:UIControlStateNormal];    [keyButton addTarget:self action:@selector(keyFrame) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:keyButton];         UIButton *transitionButton = [UIButton buttonWithType:UIButtonTypeSystem];    transitionButton.frame = CGRectMake(0, 450, 375, 50);    transitionButton.titleLabel.font = [UIFont systemFontOfSize:30];    [transitionButton setTitle:@"CATranAnimation" forState:UIControlStateNormal];    [transitionButton addTarget:self action:@selector(transition) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:transitionButton];            UIButton *groupButton = [UIButton buttonWithType:UIButtonTypeSystem];    groupButton.frame = CGRectMake(0, 550, 375, 50);    groupButton.titleLabel.font = [UIFont systemFontOfSize:30];    [groupButton setTitle:@"CAGroupAnimation" forState:UIControlStateNormal];    [groupButton addTarget:self action:@selector(group) forControlEvents:UIControlEventTouchUpInside];    [self.view addSubview:groupButton];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}/*#pragma mark - Navigation// In a storyboard-based application, you will often want to do a little preparation before navigation- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {    // Get the new view controller using [segue destinationViewController].    // Pass the selected object to the new view controller.}*/- (void)basic{    //CAAnimation没有真实改变属性值, 只是在模拟属性值改变,    //KeyPath, 写属性的名字;(属性的属性)或路径//    CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"cornerRadius"];       CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"bounds.size"];    //设置时长//    basic.duration = 10;    //设置    basic.speed = 0.1;    //    basic.fromValue = @10;//    basic.toValue = @200;    //    basic.fromValue = [NSValue valueWithCGSize:CGSizeMake(10, 20)];//    basic.toValue = [NSValue valueWithCGSize:CGSizeMake(100, 100)];        basic.fromValue = @[@10, @10];    basic.toValue = @[@100, @100];    basic.delegate = self;        [self.animationView.layer addAnimation:basic forKey:@"aa"];}- (void)keyFrame{    //CAKeyframeAnimation  关键帧动画    CAKeyframeAnimation *keyframe = [CAKeyframeAnimation animationWithKeyPath:@"position"];        //keyframe.values    //keyframe.keyTimes    //设置时间;    keyframe.duration = 5;    keyframe.values = @[[NSValue valueWithCGPoint:CGPointMake(0, 0)],                        [NSValue valueWithCGPoint:CGPointMake(10, 10)],                        [NSValue valueWithCGPoint:CGPointMake(40, 40)],                        [NSValue valueWithCGPoint:CGPointMake(160, 160)],                        [NSValue valueWithCGPoint:CGPointMake(370, 558)]];        //keyTimes,数组中的值不能够大于1, 并且必须是递增的;    keyframe.keyTimes = @[@0.1, @0.5, @0.7, @0.8, @1];    [self.animationView.layer addAnimation:keyframe forKey:@"bb"];}- (void)transition{//    CATransition,过渡动画;     CATransition *transition = [CATransition animation];    //    transition.type//    transition.subtype    transition.type =    kCATransitionMoveIn;//    kCATransitionFade;//    kCATransitionPush;//    kCATransitionReveal;    transition.subtype =//    kCATransitionFromTop;//    kCATransitionFromRight;//    kCATransitionFromLeft;    kCATransitionFromBottom;        [self.animationView.layer addAnimation:transition forKey:@"cc"];}- (void)group{//    CAAnimationGroup ,动画组    CAAnimationGroup *group = [CAAnimationGroup animation];//    group.animations = @[basic, transition, keyframe];    [self.animationView.layer addAnimation:group forKey:@"dd"];}//-(void)animationDidStart:(CAAnimation *)anim//{//    NSLog(@"%%@", )//}@end