RNAlertController

@objcMembers
public final class RNAlertController : UIViewController

An object that provides RNAlertController.

Initializer


                    
                    
                    init(title:message:)

Initializes the alert.

Declaration

Swift

public convenience init(title: String?, message: String?)

Parameters

`title`	Title for the alert.
`message`	Message body of the alert.

UIViewController Overrides

viewDidLoad()
Declaration
Swift

public override func viewDidLoad()


                    
                    
                    viewDidAppear(_:)

Declaration

Swift

public override func viewDidAppear(_ animated: Bool)


                    
                    
                    viewWillDisappear(_:)

Declaration

Swift

public override func viewWillDisappear(_ animated: Bool)


                    
                    
                    viewDidDisappear(_:)

Declaration

Swift

public override func viewDidDisappear(_ animated: Bool)


                    
                    
                    traitCollectionDidChange(_:)

Declaration

Swift

public override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?)

Static Initializer


                    
                    
                    alertController(title:message:)

Initializes the alert.

Declaration

Swift

static func alertController(title: String?, message: String?) -> RNAlertController

Parameters

`title`	Title for the alert.
`message`	Message body of the alert.

Return Value

RNAlertController instance.

Presentation


                    
                    
                    present(on:completion:)

Presents the alert on the specified view controller.

Use this method to present RNAlertController alert on a specific view controller.

Declaration

Swift

func present(on viewController: UIViewController, completion: (() -> Void)? = nil)

Parameters

`viewController`	`UIViewController` where the alert is to be presented.
`completion`	Block to run after presenting the alert.


                    
                    
                    present(_:)

Presents the alert on its own window.

Declaration

Swift

func present(_ completion: (() -> Void)? = nil)

Parameters


                                completion

Block to run after presenting the alert.


                    
                    
                    dismiss(_:)

Dismisses the alert.

Declaration

Swift

func dismiss(_ completion: (() -> Void)? = nil)

Parameters


                                completion

Block to run after dismissing the alert.

Alert Components


                    
                    
                    addButton(title:type:action:)

Adds a button to the alert.

Declaration

Swift

@discardableResult
func addButton(title: String, type: AlertButtonType = .default, action: AlertAction? = nil) -> RNAlertController

Parameters

`title`	Title for the button.
`type`	Button style for the alert.
`action`	Block to run when the button is pressed (i.e. touchUpInside: action).

Return Value

RNAlertController instance.


                    
                    
                    addOkButton(action:)

Adds an OK button to the alert.

Declaration

Swift

@discardableResult
func addOkButton(action: AlertAction? = nil) -> RNAlertController

Parameters


                                action

Block to run when the button is pressed (i.e. touchUpInside event).

Return Value

RNAlertController instance.


                    
                    
                    addCancelButton(action:)

Adds a Cancel button to the alert.

Declaration

Swift

@discardableResult
func addCancelButton(action: AlertAction? = nil) -> RNAlertController

Parameters


                                action

Block to run when the button is pressed (i.e. touchUpInside event).

Return Value

RNAlertController instance.


                    
                    
                    setAttributedMessageText(_:)

Sets attributed text for the message.

When set, message text will use attributed text instead of regular text.

Declaration

Swift

@discardableResult
func setAttributedMessageText(_ attributedText: NSAttributedString?) -> RNAlertController

Parameters


                                attributedText

Attributed string to set.


                    
                    
                    setBannerImage(_:position:)

Sets the banner image for the alert.

Banner image is displayed under the message body or at the very top of the body. Consequent calls of this method will result in replacement of previously set image.

Declaration

Swift

@discardableResult
func setBannerImage(_ image: UIImage, position: AlertBannerPosition = .afterBody) -> RNAlertController

Parameters

`image`	image to use in the alert.
`position`	determines the position of the image.

Return Value

RNAlertController` instance.


                    
                    
                    setPickerData(items:selectedRow:selectionAction:)

Sets picker view data for the alert.

Note

Consequent calls of this method will result in replacement of previously set picker data.

Declaration

Swift

@discardableResult
func setPickerData(items: [String], selectedRow: Int = 0, selectionAction: AlertPickerAction?) -> RNAlertController

Parameters

`items`	An array of `String` to represent picker data collection.
`selectedRow`	Row to be selected. The default value is 0 (zero) indicating the first item in the collection.
`selectionAction`	Block to execute when an item is selected.

Return Value

RNAlertController instance.


                    
                    
                    setURL(urlString:text:)

Sets a button with an URL.

A button is placed under the message body. Consequent calls of this method will result in replacement of previously set URL.

Declaration

Swift

@discardableResult
func setURL(urlString: String, text: String? = nil) -> RNAlertController

Parameters

`urlString`	`String` representation of the URL.
`text`	Placeholder for the URL. If `nil` is passed, original URL will be used.

Return Value

RNAlertController instance.


                    
                    
                    setDatePicker(mode:selectedDate:maximumDate:minimumDate:selectionAction:)

Sets a date picker with a selected date.

A date picker is placed under the message body.

Declaration

Swift

@discardableResult
func setDatePicker(mode: UIDatePicker.Mode,
                   selectedDate: Date? = nil,
                   maximumDate: Date? = nil,
                   minimumDate: Date? = nil,
                   selectionAction: AlertDatePickerAction? = nil) -> RNAlertController

Parameters

`mode`	`UIDatePicker.Mode` describing the mode displayed the date picker.
`selectedDate`	`Date` to set. If passed `nil`, current date is used.
`maximumDate`	Maximum date that a date picker can show.
`minimumDate`	Minimum date that a date picker can show.
`selectionAction`	Block to execute when date is selected.

Return Value

RNAlertController instance.


                    
                    
                    setCheckboxView(title:isSelected:action:)

Sets a checkbox with a title below the message body.

Declaration

Swift

@discardableResult
func setCheckboxView(title: String?,
                     isSelected: Bool,
                     action: AlertCheckboxAction?) -> RNAlertController

Parameters

`title`	A message that is shown on the right of the checkbox.
`isSelected`	Boolean value indicating the primary state of the checkbox.
`action`	Block to execute the checkbox is toggled.

Return Value

RNAlertController instance.