Type Method

canPrint(_:)

Returns whether UIKit can print the file referenced by a URL.

Declaration

class func canPrint(_ url: URL) -> Bool

Parameters

url

An object representing a URL. Valid NSURL objects must use the file: or assets-library: scheme or any scheme that can return an NSData object with a registered protocol. The file referenced by the URL must contain PDF data or an image in a format supported by the Image I/O framework. See View Programming Guide for iOS in View Programming Guide for iOS for a list of the supported image formats.

Return Value

true if UIKit can print the contents of the referenced file, otherwise false. The method returns false if url references PDF data that specifies that printing is not allowed.

Discussion

You should call this method to test the data referenced by a URL prior to assigning that URL to printingItem or printingItems.

See Also

Determining Printability

class var isPrintingAvailable: Bool

Returns a Boolean indicating whether the device supports printing.

class func canPrint(Data) -> Bool

Returns whether UIKit can print the contents of a data object.

class var printableUTIs: Set<String>

Returns a set of the Uniform Type Identifiers for the types of data that UIKit can print.