“Push” animation in Objective-C

Question

I have two views: A and B. A is positioned at the top of the screen, B is positioned at the bottom of the screen.

When the user presses a button, view B animates upward

Answer 1

You can try followin algorythm:

1)Put A and B in UIView(i.e UIview *gropedView)

2)Change B.y till it will be equal A.y+A.height(so B will be right under the A)

3)Animate groupedView