-(void)moveLayer:(CALayer*)layer to:(CGPoint)point

{

    // Prepare the animation from the current position to the new position

    CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"position"];

    animation.fromValue = [layer valueForKey:@"position"];

    // NSValue/+valueWithPoint:(NSPoint)point is available on Mac OS X

    // NSValue/+valueWithCGPoint:(CGPoint)point is available on iOS

    // comment/uncomment the corresponding lines depending on which platform you're targeting

    // Mac OS X

    animation.toValue = [NSValue valueWithPoint:NSPointFromCGPoint(point)];

    // iOS

    //animation.toValue = [NSValue valueWithCGPoint:point];

    // Update the layer's position so that the layer doesn't snap back when the animation completes.

    layer.position = point;

    // Add the animation, overriding the implicit animation.

    [layer addAnimation:animation forKey:@"position"];

}

-(void)resizeLayer:(CALayer*)layer to:(CGSize)size

{

    // Prepare the animation from the old size to the new size

    CGRect oldBounds = layer.bounds;

    CGRect newBounds = oldBounds;

    newBounds.size = size;

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

    // NSValue/+valueWithRect:(NSRect)rect is available on Mac OS X

    // NSValue/+valueWithCGRect:(CGRect)rect is available on iOS

    // comment/uncomment the corresponding lines depending on which platform you're targeting

    // Mac OS X

    animation.fromValue = [NSValue valueWithRect:NSRectFromCGRect(oldBounds)];

    animation.toValue = [NSValue valueWithRect:NSRectFromCGRect(newBounds)];

    // iOS

    //animation.fromValue = [NSValue valueWithCGRect:oldBounds];

    //animation.toValue = [NSValue valueWithCGRect:newBounds];

    // Update the layer's bounds so the layer doesn't snap back when the animation completes.

    layer.bounds = newBounds;

    // Add the animation, overriding the implicit animation.

    [layer addAnimation:animation forKey:@"bounds"];

}