CABasicAnimation animationWithKeyPath 一些规定的值

CABasicAnimation animationWithKeyPath Types

When using the ‘CABasicAnimation’ from the QuartzCore Framework in Objective-C, you have to specify an animationWithKeyPath.  This is a long string and is not easily listed in the CABasicAnimation, CAPropertyAnimation, or the CAAnimation class.  I
ended up finding a handy chart within the Core Animation Programming guide in Apple’s iPhone OS Reference Library.  Hope this helps save someone time, at least it will for me.

01.

//The following code moves a view up 60 pixels and stops.

02.

 

03.

CABasicAnimation *theAnimation;

04.

theAnimation=[CABasicAnimation animationWithKeyPath:@

"transform.translation.y"

];

05.

theAnimation.delegate =

 

self

;

06.

theAnimation.duration = 1;

07.

theAnimation.repeatCount = 0;

08.

theAnimation.removedOnCompletion = FALSE;

09.

theAnimation.fillMode = kCAFillModeForwards;

10.

theAnimation.autoreverses =

 

NO

;

11.

theAnimation.fromValue = [

NSNumber

 

numberWithFloat:0];

12.

theAnimation.toValue = [

NSNumber

 

numberWithFloat:-60];

13.

 

14.

[

self

.view.layer addAnimation:theAnimation forKey:@

"animateLayer"

];