Instance Method

backButtonBackgroundVerticalPositionAdjustment(for:)

Returns the back button vertical position offset for given bar metrics.

Declaration

func backButtonBackgroundVerticalPositionAdjustment(for barMetrics: UIBarMetrics) -> CGFloat

Parameters

barMetrics

Bar metrics.

Return Value

The back button vertical position offset for barMetrics.

Discussion

This modifier applies only to navigation bar back buttons and is ignored by other buttons.

This offset is used to adjust the vertical centering of bordered bar buttons within the bar.

See Also

Customizing Appearance

var tintColor: UIColor?

The tint color to apply to the button item.

func backButtonBackgroundImage(for: UIControl.State, barMetrics: UIBarMetrics) -> UIImage?

Returns the back button background image for a given control state and bar metrics.

func setBackButtonBackgroundImage(UIImage?, for: UIControl.State, barMetrics: UIBarMetrics)

Sets the back button background image for a given control state and bar metrics

func backButtonTitlePositionAdjustment(for: UIBarMetrics) -> UIOffset

Returns the back button title offset for given bar metrics.

func setBackButtonTitlePositionAdjustment(UIOffset, for: UIBarMetrics)

Sets the back button title offset for given bar metrics

func setBackButtonBackgroundVerticalPositionAdjustment(CGFloat, for: UIBarMetrics)

Sets the back button vertical position offset for given bar metrics.

func backgroundVerticalPositionAdjustment(for: UIBarMetrics) -> CGFloat

Returns the background vertical position offset for given bar metrics.

func setBackgroundVerticalPositionAdjustment(CGFloat, for: UIBarMetrics)

Sets the background vertical position offset for given bar metrics.

func backgroundImage(for: UIControl.State, barMetrics: UIBarMetrics) -> UIImage?

Returns the background image for a given state and bar metrics.

func setBackgroundImage(UIImage?, for: UIControl.State, barMetrics: UIBarMetrics)

Sets the background image for a given state and bar metrics.

func titlePositionAdjustment(for: UIBarMetrics) -> UIOffset

Returns the title offset for given bar metrics.

func setTitlePositionAdjustment(UIOffset, for: UIBarMetrics)

Sets the title offset for given bar metrics.