How to tell which UIImageView stopped animating using CAKeyFrameAnimation?

How to tell which UIImageView stopped animating using CAKeyFrameAnimation?

References

Reference NO 1

http://stackoverflow.com/questions/15191215/how-to-tell-which-uiimageview-stopped-animating-using-cakeyframeanimation

Reference NO 2

http://stackoverflow.com/questions/1031177/basic-keyframe-animation-rotation

Reference NO 3

http://stackoverflow.com/questions/8303192/animating-sequence-of-images-with-cakeyframeanimation

Reference NO 4

http://stackoverflow.com/questions/9500968/ios-cakeyframeanimation-scaling-flickers-at-animation-end

Reference NO 5

http://stackoverflow.com/questions/tagged/cakeyframeanimation?sort=active&pagesize=50

Reference NO 6

http://www.apeth.com/iOSBook/ch17.html

Reference NO 7

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Reference NO 8

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