RSDInstructionStepViewController
open class RSDInstructionStepViewController : RSDPermissionStepViewController
RSDInstructionStepViewController
is a custom step view controller that is intended to be used with the
RSDInstructionStepViewController.nib
file. This is the default view controller for steps that
-
Retuns the imageView, in this case the image from the navigationHeader.
Declaration
Swift
open var imageView: UIImageView? { get }
-
Override
viewDidLayoutSubviews
to set up resizing the image to balance the the space provided to the image verse the space provided for the text.Declaration
Swift
open override func viewDidLayoutSubviews()
-
Override
viewWillAppear
to update image placement constraints.Declaration
Swift
override open func viewWillAppear(_ animated: Bool)
-
Sets the height of the scrollview’s top background view depending on the image placement type from this step. Default behavior is to constrain the scrollview to be under the status bar if the placement type is
.topMarginBackground
.Declaration
Swift
open func updateImagePlacementConstraintsIfNeeded()
-
If the learn more button is hidden, then the constraints for it should be deactivated.
Declaration
Swift
open func updateLearnMoreContraints()
-
Update the image height constraint to balance the the space provided to the image versus the space provided for the text. The default is to look at the overall screen height and size the image to take up half the space if the text does not fit (iPhone SE) or resize to take the remaining space if the image is for a longer screen (iPhone X).
Declaration
Swift
open func updateImageHeightConstraintIfNeeded()
-
Declaration
Swift
override open func setColorStyle(for placement: RSDColorPlacement, background: RSDColorTile)
-
Static method to determine if this view controller class supports the provided step.
Only UI Themed steps with an image that is top-background are supported. Additionally, if there are form items that need to be displayed then this view controller is not appropriate.
Note
support for elements such as a footnote, detail, learn more, etc. require using a custom implementation for the nib or storyboard.Declaration
Swift
open class func doesSupport(_ step: RSDStep) -> Bool
-
The default nib name to use when instantiating the view controller using
init(step:)
.Declaration
Swift
open class var nibName: String { get }
-
The default bundle to use when instantiating the view controller using
init(step:)
.Declaration
Swift
open class var bundle: Bundle { get }
-
Initialize the class using the given nib and bundle.
Note
If this initializer is used with anil
nib, then it must assign the expected outlets.Declaration
Parameters
nibNameOrNil
The name of the nib or
nil
.nibBundleOrNil
The name of the bundle or
nil
. -
Required initializer. This is the initializer used by a
UIStoryboard
.Declaration
Swift
public required init?(coder aDecoder: NSCoder)
Parameters
aDecoder
The decoder used to initialize this view controller.