CALayer Animatable Properties 之animationWithKeyPath

我们可以通过animationWithKeyPath键值对的方式来改变动画

animationWithKeyPath的值：

transform.scale = 比例�D�Q

transform.scale.x = �的比例�D�Q

transform.scale.y = 高的比例�D�Q

transform.rotation.z = 平面�D的旋�D

opacity = 透明度

margin

zPosition

backgroundColor

cornerRadius

borderWidth

bounds

contents

contentsRect

cornerRadius

frame

hidden

mask

masksToBounds

opacity

position

shadowColor

shadowOffset

shadowOpacity

shadowRadius

[self. ui_View.layer removeAllAnimations];

   CABasicAnimation *pulse = [CABasicAnimation animationWithKeyPath:@"transform.scale"];

   pulse.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];

   pulse.duration = 0.5 + (rand() % 10) * 0.05;

   pulse.repeatCount = 1;

   pulse.autoreverses = YES;

   pulse.fromValue = [NSNumber numberWithFloat:.8];

   pulse.toValue = [NSNumber numberWithFloat:1.2];

   [self.ui_View.layer addAnimation:pulse forKey:nil];

// bounds

CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"bounds"];

   anim.duration = 1.f;

   anim.fromValue = [NSValue valueWithCGRect:CGRectMake(0,0,10,10)];

   anim.toValue = [NSValue valueWithCGRect:CGRectMake(10,10,200,200)];

   anim.byValue  = [NSValue valueWithCGRect:self. ui_View.bounds];

//    anim.toValue = (id)[UIColor redColor].CGColor;

//    anim.fromValue =  (id)[UIColor blackColor].CGColor;

   anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

   anim.repeatCount = 1;

   anim.autoreverses = YES;

   [ui_View.layer addAnimation:anim forKey:nil];

//cornerRadius

   CABasicAnimation *anim2 = [CABasicAnimation animationWithKeyPath:@"cornerRadius"];

   anim2.duration = 1.f;

   anim2.fromValue = [NSNumber numberWithFloat:0.f];

   anim2.toValue = [NSNumber numberWithFloat:20.f];

   anim2.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

   anim2.repeatCount = CGFLOAT_MAX;

   anim2.autoreverses = YES;

   [ui_View.layer addAnimation:anim2 forKey:@"cornerRadius"];

//contents

CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"contents"];

   anim.duration = 1.f;

   anim.fromValue = (id)[UIImage imageNamed:@"1.jpg"].CGImage;

   anim.toValue = (id)[UIImage imageNamed:@"2.png"].CGImage;

//    anim.byValue  = (id)[UIImage imageNamed:@"3.png"].CGImage;

//    anim.toValue = (id)[UIColor redColor].CGColor;

//    anim.fromValue =  (id)[UIColor blackColor].CGColor;

   anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

   anim.repeatCount = CGFLOAT_MAX;

   anim.autoreverses = YES;

   [ui_View.layer addAnimation:anim forKey:nil];

[ui_View.layer setShadowOffset:CGSizeMake(2,2)];

   [ui_View.layer setShadowOpacity:1];

   [ui_View.layer setShadowColor:[UIColor grayColor].CGColor];

//    

   CABasicAnimation *anim = [CABasicAnimation animationWithKeyPath:@"shadowColor"];

   anim.duration = 1.f;

   anim.toValue = (id)[UIColor redColor].CGColor;

   anim.fromValue =  (id)[UIColor blackColor].CGColor;

   anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

   anim.repeatCount = CGFLOAT_MAX;

   anim.autoreverses = YES;

   [ui_View.layer addAnimation:anim forKey:nil];

   CABasicAnimation *_anim = [CABasicAnimation animationWithKeyPath:@"shadowOffset"];

   _anim.duration = 1.f;

   _anim.fromValue = [NSValue valueWithCGSize:CGSizeMake(0,0)];

   _anim.toValue = [NSValue valueWithCGSize:CGSizeMake(3,3)];

   _anim.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

   _anim.repeatCount = CGFLOAT_MAX;

   _anim.autoreverses = YES;

   [ui_View.layer addAnimation:_anim forKey:nil];

   CABasicAnimation *_anim1 = [CABasicAnimation animationWithKeyPath:@"shadowOpacity"];

   _anim1.duration = 1.f;

   _anim1.fromValue = [NSNumber numberWithFloat:0.5];

   _anim1.toValue = [NSNumber numberWithFloat:1];

   _anim1.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

   _anim1.repeatCount = CGFLOAT_MAX;

   _anim1.autoreverses = YES;

   [ui_View.layer addAnimation:_anim1 forKey:nil];

   CABasicAnimation *_anim2 = [CABasicAnimation animationWithKeyPath:@"shadowRadius"];

   _anim2.duration = 1.f;

   _anim2.fromValue = [NSNumber numberWithFloat:10];

   _anim2.toValue = [NSNumber numberWithFloat:5];

   _anim2.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];

   _anim2.repeatCount = CGFLOAT_MAX;

   _anim2.autoreverses = YES;

   [ui_View.layer addAnimation:_anim2 forKey:nil];