[_buttonCenterXConstraint setConstant:buttonCenterPoint.x];
[_buttonCenterYConstraint setConstant:buttonCenterPoint.y];

[UIView animateWithDuration:0.25f
             animations:^{

                 [button layoutIfNeeded];
             }];

UISnapBehavior *bounceBehaviour = [[[UISnapBehavior alloc] initWithItem:button snapToPoint:buttonCenterPoint];

[bounceBehaviour setAction:^{

    [_buttonCenterXConstraint setConstant:buttonCenterPoint.x];
    [_buttonCenterYConstraint setConstant:buttonCenterPoint.y];
}];