ModalCenterPosition

public enum ModalCenterPosition

Describes the presented presented view controller’s center position. It is meant to be non-specific, but we can use the ‘calculatePoint’ method when we want to calculate the exact point by passing in the ‘containerBounds’ rect that only the presentation controller should be aware of.

• Center: Center of the screen.
• TopCenter: Center of the top half of the screen.
• BottomCenter: Center of the bottom half of the screen.
• Custom: A custom center position using a CGPoint which represents the center point of the presented view controller.
• Custom: A custom center position to be calculated, using a CGPoint which represents the origin of the presented view controller.