BasicAnimation.mm

// Create a basic animation changing the transform.scale value
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];

// Set the initial and the final values
[animation setFromValue:[NSNumber numberWithFloat:1.5f]];
[animation setToValue:[NSNumber numberWithFloat:1.f]];

// Set duration
[animation setDuration:0.5f];

// Set animation to be consistent on completion
[animation setRemovedOnCompletion:NO];
[animation setFillMode:kCAFillModeForwards];

// Add animation to the view's layer
[[theView layer] addAnimation:animation forKey:@"scale"];