ios - UIViewControllerTransitioningDelegate landscape Transition -

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what best practice create landscaped transition between 2 uiviewcontrollers? containerview

uiview * container      = [transitioncontext containerview];

logs frame : {{0, 0}, {320, 568}} vertical , added subview added vertically. should rotate added subviews or add subviews on of controllers view , not container view directly?


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