FUITextRecognitionViewController
@MainActor
open class FUITextRecognitionViewController : UIViewController
The FUITextRecognitionViewController is convenience controller embedding FUITextRecognitionView view which captures video from device back camera and performs text recognition. For more example to how to configure text recognition check out the FUITextRecognitionView documentation.
## Example Initialization and Configuration
textRecController = FUITextRecognitionViewController()
//additional phone number detector to filter out observations
let detector = try! NSDataDetector.init(types: NSTextCheckingResult.CheckingType.phoneNumber.rawValue)
var frameCount = 10 //capture the observations after 10 frames
textRecController.recognitionView.observationHandler = { observations in
//use NSDataDetector extensions to run matches on observations
let matches = detector.matches(in: observations)
textRecController.recognitionView.showTexts(for: observations, with: matches)
frameCount -= 1
if frameCount < 0 {
DispatchQueue.main.async {
var phoneNumber: String?
for match in matches where match.resultType == .phoneNumber {
phoneNumber = match.phoneNumber
}
textView.text = phoneNumber ?? ""
dismiss(animated: true)
}
return true
}
return false
}
textRecController.onClose = {
dismiss(animated: true)
}
present(UINavigationController(rootViewController: textRecController), animated: true)
-
Can be used to customize
closeButtonDeclaration
Swift
@MainActor public private(set) var closeButton: UIBarButtonItem! { get } -
Can be used to customize
flashButtonDeclaration
Swift
@MainActor public private(set) var flashButton: UIBarButtonItem! { get } -
The effective
UINavigationController.Developer could set this to the
UINavigationControllerfor this view controller. If developer did not set this value, theUINavigationControllerof this view controller will be returned if it is not nil. Otherwise, the rootUINavigationControllerfrom thekeyWindow, if any, will be returned.Declaration
Swift
@MainActor public var effectiveNavigationController: UINavigationController? { get set } -
Called when
closeButtonis tappedDeclaration
Swift
@MainActor public var onClose: (() -> Void)? -
The backing view which captures video and performs text recognition
Declaration
Swift
@MainActor public let recognitionView: FUITextRecognitionView -
Creates a
FUITextRecognitionViewControllerobject.Declaration
Swift
@MainActor public init(style: FUITextRecognitionView.Style = .singleField)Parameters
styleA constant specifies the style of recognition view. Default value is
.singleField. -
Undocumented
Declaration
Swift
@MainActor open override func viewWillAppear(_ animated: Bool) -
Undocumented
Declaration
Swift
@MainActor open override func viewWillDisappear(_ animated: Bool)