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* Rename to RootView to match Android * Add OnboardingScreen * iOS 14 * ignoresSafeArea * remove redundant comment * Add QR code scanning * Add viewfinder * Restore smile_config for sample app
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| // swiftlint:disable all | ||
| // MIT License: https://github.com/twostraws/CodeScanner/blob/main/LICENSE | ||
| // CodeScanner.swift | ||
| // https://github.com/twostraws/CodeScanner | ||
| // | ||
| // Created by Paul Hudson on 14/12/2021. | ||
| // Copyright © 2021 Paul Hudson. All rights reserved. | ||
| // | ||
|
|
||
| import AVFoundation | ||
| import SwiftUI | ||
|
|
||
| /// An enum describing the ways CodeScannerView can hit scanning problems. | ||
| public enum ScanError: Error { | ||
| /// The camera could not be accessed. | ||
| case badInput | ||
|
|
||
| /// The camera was not capable of scanning the requested codes. | ||
| case badOutput | ||
|
|
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| /// Initialization failed. | ||
| case initError(_ error: Error) | ||
|
|
||
| /// The camera permission is denied | ||
| case permissionDenied | ||
| } | ||
|
|
||
| /// The result from a successful scan: the string that was scanned, and also the type of data that was found. | ||
| /// The type is useful for times when you've asked to scan several different code types at the same time, because | ||
| /// it will report the exact code type that was found. | ||
| @available(macCatalyst 14.0, *) | ||
| public struct ScanResult { | ||
| /// The contents of the code. | ||
| public let string: String | ||
|
|
||
| /// The type of code that was matched. | ||
| public let type: AVMetadataObject.ObjectType | ||
|
|
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| /// The image of the code that was matched | ||
| public let image: UIImage? | ||
|
|
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| /// The corner coordinates of the scanned code. | ||
| public let corners: [CGPoint] | ||
| } | ||
|
|
||
| /// The operating mode for CodeScannerView. | ||
| public enum ScanMode { | ||
| /// Scan exactly one code, then stop. | ||
| case once | ||
|
|
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| /// Scan each code no more than once. | ||
| case oncePerCode | ||
|
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| /// Keep scanning all codes until dismissed. | ||
| case continuous | ||
|
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| /// Scan only when capture button is tapped. | ||
| case manual | ||
| } | ||
|
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| /// A SwiftUI view that is able to scan barcodes, QR codes, and more, and send back what was found. | ||
| /// To use, set `codeTypes` to be an array of things to scan for, e.g. `[.qr]`, and set `completion` to | ||
| /// a closure that will be called when scanning has finished. This will be sent the string that was detected or a `ScanError`. | ||
| /// For testing inside the simulator, set the `simulatedData` property to some test data you want to send back. | ||
| @available(macCatalyst 14.0, *) | ||
| public struct CodeScannerView: UIViewControllerRepresentable { | ||
|
|
||
| public let codeTypes: [AVMetadataObject.ObjectType] | ||
| public let scanMode: ScanMode | ||
| public let manualSelect: Bool | ||
| public let scanInterval: Double | ||
| public let showViewfinder: Bool | ||
| public var simulatedData = "" | ||
| public var shouldVibrateOnSuccess: Bool | ||
| public var isTorchOn: Bool | ||
| public var isGalleryPresented: Binding<Bool> | ||
| public var videoCaptureDevice: AVCaptureDevice? | ||
| public var completion: (Result<ScanResult, ScanError>) -> Void | ||
|
|
||
| public init( | ||
| codeTypes: [AVMetadataObject.ObjectType], | ||
| scanMode: ScanMode = .once, | ||
| manualSelect: Bool = false, | ||
| scanInterval: Double = 2.0, | ||
| showViewfinder: Bool = false, | ||
| simulatedData: String = "", | ||
| shouldVibrateOnSuccess: Bool = true, | ||
| isTorchOn: Bool = false, | ||
| isGalleryPresented: Binding<Bool> = .constant(false), | ||
| videoCaptureDevice: AVCaptureDevice? = AVCaptureDevice.bestForVideo, | ||
| completion: @escaping (Result<ScanResult, ScanError>) -> Void | ||
| ) { | ||
| self.codeTypes = codeTypes | ||
| self.scanMode = scanMode | ||
| self.manualSelect = manualSelect | ||
| self.showViewfinder = showViewfinder | ||
| self.scanInterval = scanInterval | ||
| self.simulatedData = simulatedData | ||
| self.shouldVibrateOnSuccess = shouldVibrateOnSuccess | ||
| self.isTorchOn = isTorchOn | ||
| self.isGalleryPresented = isGalleryPresented | ||
| self.videoCaptureDevice = videoCaptureDevice | ||
| self.completion = completion | ||
| } | ||
|
|
||
| public func makeUIViewController(context: Context) -> ScannerViewController { | ||
| return ScannerViewController(showViewfinder: showViewfinder, parentView: self) | ||
| } | ||
|
|
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| public func updateUIViewController(_ uiViewController: ScannerViewController, context: Context) { | ||
| uiViewController.parentView = self | ||
| uiViewController.updateViewController( | ||
| isTorchOn: isTorchOn, | ||
| isGalleryPresented: isGalleryPresented.wrappedValue, | ||
| isManualCapture: scanMode == .manual, | ||
| isManualSelect: manualSelect | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| @available(macCatalyst 14.0, *) | ||
| struct CodeScannerView_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| CodeScannerView(codeTypes: [.qr]) { result in | ||
| // do nothing | ||
| } | ||
| } | ||
| } |
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