From http://ios-sdk.blogspot.ca/2012/01/cabasicanimation.html

CABasicAnimation

Basic QuartzCore Framework Animations
//shrinking - scaling
CABasicAnimation* shrink = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
shrink.toValue = [NSNumber numberWithDouble:0.9];
shrink.duration = 0.5;
shrink.delegate = self;
[[targetView layer] addAnimation:shrink forKey:@"shrink"];



//moving
CABasicAnimation *theAnimation; 
theAnimation=[CABasicAnimation animationWithKeyPath:@"transform.translation.x"];
theAnimation.duration=0.1;
theAnimation.repeatCount=2;
theAnimation.autoreverses=YES;
theAnimation.fromValue=[NSNumber numberWithFloat:0];
theAnimation.toValue=[NSNumber numberWithFloat:-6];
[[targetView layer] addAnimation:theAnimation forKey:@"animateLayer"];



//rotating
CABasicAnimation *theAnimation; 
theAnimation=[CABasicAnimation animationWithKeyPath:@"transform.rotation"];
theAnimation.duration=0.1;
theAnimation.repeatCount=1;
theAnimation.autoreverses=YES;
theAnimation.fromValue=[NSNumber numberWithFloat:0];
theAnimation.toValue=[NSNumber numberWithFloat:M_PI/3];
[[targetView layer] addAnimation:theAnimation forKey:@"rotateLayer"];

//time offset
theAnimation.beginTime = CACurrentMediaTime()+5;

//grouping
CABasicAnimation *makeBiggerAnim=[CABasicAnimation animationWithKeyPath:@"cornerRadius"];
makeBiggerAnim.fromValue=[NSNumber numberWithDouble:20.0];
makeBiggerAnim.toValue=[NSNumber numberWithDouble:40.0];

CABasicAnimation *fadeAnim=[CABasicAnimation animationWithKeyPath:@"opacity"];
fadeAnim.fromValue=[NSNumber numberWithDouble:1.0];
fadeAnim.toValue=[NSNumber numberWithDouble:0.0];

CABasicAnimation *rotateAnim=[CABasicAnimation animationWithKeyPath:@"transform.rotation.y"];
rotateAnim.fromValue=[NSNumber numberWithDouble:0.0];
rotateAnim.toValue=[NSNumber numberWithDouble:M_PI_4];

// Customizing the group with duration etc, will apply to all the
// animations in the group
CAAnimationGroup *group = [CAAnimationGroup animation];
group.duration = 0.2;
group.repeatCount = 3;
group.autoreverses = YES;
group.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
group.animations = [NSArray arrayWithObjects:makeBiggerAnim, fadeAnim, rotateAnim, nil];

[myLayer addAnimation:group forKey:@"allMyAnimations"];