ios - How do I POP animate a view and trigger autolayouts? Right now if I POP animate, my autolayout configurations no longer seems to be obeyed -

ios - How do I POP animate a view and trigger autolayouts? Right now if I POP animate, my autolayout configurations no longer seems to be obeyed -

i trying utilize facebook pop animations , autolayouts.

when animate bound changes core animation, calling -layoutifneeded triggers autolayouts update position of constrained sibling views.

when pop animate bound changes, calling -layoutifneeded in completion block nothing. happening? , how can rest of views in window update positions, bounds of constrained sibbling view has changed?

ios facebook autolayout pop