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| 一、基础动画 CABasicAnimation |
1 //初始化方式
CABasicAnimation * cabase=[CABasicAnimation animation];
2 //通过keyPath设置需要实现动画的属性,此处设为bounds
cabase.keyPath=@"bounds";
3 //通过toValue设置动画结束时候的状态
cabase.toValue=[NSValue valueWithCGRect:CGRectMake(0, 0, 10, 100)];
//通过byValue设置每次改变的范围
cabase.byValue=[NSValue valueWithCGRect:CGRectMake(0, 0, 10, 100)];
//设置开始时候的状态
cabase.fromValue=[NSValue valueWithCGPoint:CGPointMake(0, 0)];
4 //设置动画持续的时间
cabase.duration=2;
//保存动画
cabase.fillMode=kCAFillModeForwards;
//保存设置不取消
cabase.removedOnCompletion=NO;
[_layer addAnimation:cabase forKey:nil];案例：通过基础动画实现仿射变换动画
CABasicAnimation * cabase=[CABasicAnimation animation];
cabase.keyPath=@"transform";
cabase.toValue=[NSValue valueWithCATransform3D:CATransform3DMakeScale(1, 2, 1)];
cabase.duration=2;
cabase.fillMode=kCAFillModeForwards;
cabase.removedOnCompletion=NO;
[_layer addAnimation:cabase forKey:nil];| 二、关键帧动画 |
1 //初始化方式
CAKeyframeAnimation * keyfram=[CAKeyframeAnimation animation];
2 //通过keyPath设置需要实现动画的属性,此处设为position
keyfram.keyPath=@"position";
3 //设置动画的需要经过的点
CGPoint p1=CGPointZero;
CGPoint p2=CGPointMake(150, 0);
CGPoint p3=CGPointMake(150, 150);
CGPoint p4=CGPointMake(0, 150);
CGPoint p5=CGPointZero;
NSValue * v1=[NSValue valueWithCGPoint:p1];
NSValue * v2=[NSValue valueWithCGPoint:p2];
NSValue * v3=[NSValue valueWithCGPoint:p3];
NSValue * v4=[NSValue valueWithCGPoint:p4];
NSValue * v5=[NSValue valueWithCGPoint:p5];
4 //将对应的值添加到动画并且设置动画保留
keyfram.values=@[v1,v2,v3,v4,v5];
keyfram.duration=1;
keyfram.fillMode=kCAFillModeForwards;
keyfram.removedOnCompletion=NO;
[_layer addAnimation:keyfram forKey:nil];案例：通过关键帧动画实现图片摇摆
CAKeyframeAnimation * anima=[CAKeyframeAnimation animation];
//通过设置放射变换的角度来实现
anima.keyPath=@"transform.rotation";
float p1=4/180.0*M_PI;
anima.duration=0.2;
anima.values=@[@(-p1),@(p1),@(-p1)];
anima.fillMode=kCAFillModeForwards;
anima.removedOnCompletion=NO;
anima.repeatCount=MAXFLOAT;
[_layer addAnimation:anima forKey:nil];
_layer.transform=CATransform3DMakeRotation(M_PI, 0, 0, 0);
| 三、转场动画 |
1 //初始化方式 CATransition * tran=[CATransition animation]; 2 //设置动画效果 tran.type=@"rippleEffect"; //常用效果 kCATransitionFade kCATransitionMoveIn kCATransitionPush kCATransitionReveal 3 //设置动画方向 tran.subtype=kCATransitionFromLeft; //动画方向 kCATransitionFromRight kCATransitionFromLeft kCATransitionFromTop kCATransitionFromBottom 4 //设置动画保留以及动画时长 tran.fillMode=kCAFillModeForwards; tran.removedOnCompletion=NO; tran.duration=1; [self.myImageView.layer addAnimation:tran forKey:nil];
| 四、UIView封装动画 |
UIKit直接将动画集成到UIView类中，当内部的一些属性发生改变时，UIView将为这些改变提供动画支持。执行动画所需要的工作由UIView类自动完成，但仍要在希望执行动画时通知视图，为此需要将改变属性的代码放在[UIViewbeginAnimations:nil context:nil]和[UIView commitAnimations]之间
1、常见方法解析:
//设置动画代理 + (void)setAnimationDelegate:(id)delegate //设置当动画即将开始时，执行delegate对象的selector，并且把beginAnimations:context:中传入的参数传进selector +(void)setAnimationWillStartSelector:(SEL)selector //设置动画结束时调用方法 + (void)setAnimationDidStopSelector:(SEL)selector //设置动画持续时间 +(void)setAnimationDuration:(NSTimeInterval)duration //设置动画延迟 + (void)setAnimationDelay:(NSTimeInterval)delay //设置动画开始时间 + (void)setAnimationStartDate:(NSDate *)startDate //设置动画节奏 + (void)setAnimationCurve:(UIViewAnimationCurve)curve //设置动画重复次数 + (void)setAnimationRepeatCount:(float)repeatCount //如果设置为YES,代表动画每次重复执行的效果会跟上一次相反 +(void)setAnimationRepeatAutoreverses:(BOOL)repeatAutoreverses // 设置视图view的过渡效果, transition指定过渡类型, cache设置YES代表使用视图缓存，性能较好 + (void)setAnimationTransition:(UIViewAnimationTransition)transition forView:(UIView *)view cache:(BOOL)cache
2、案例
//旋转动画
[UIView beginAnimations:@"roate" context:nil];
[UIView setAnimationCurve:UIViewAnimationCurveEaseOut];
[UIView setAnimationDuration:1.5];
[UIView setAnimationDelegate:self];
_view.transform=CGAffineTransformRotate(_view.transform, M_PI_2);
[UIView setAnimationDidStopSelector:@selector(endAnimate)];
[UIView commitAnimations];
//转场动画
[UIView beginAnimations:@"transition" context:nil];
[UIView setAnimationCurve:UIViewAnimationCurveLinear];
[UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:_mainView cache:YES];
[UIView setAnimationDuration:1.5];
NSInteger index1=[_mainView.subviews indexOfObject:_view];
NSInteger index2=[_mainView.subviews indexOfObject:_view2];
[_mainView exchangeSubviewAtIndex:index1 withSubviewAtIndex:index2];
[UIView commitAnimations];
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原文地址：http://blog.csdn.net/jerehedu/article/details/45196247
