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Polish codes of QR code scanner

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This commit is contained in:
Yishi Lin 2019-10-03 14:27:00 +08:00
parent e4630e950d
commit 6f295be74d
5 changed files with 57 additions and 107 deletions
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7
pass/Controllers/QRScannerController.swift
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@ -37,10 +37,13 @@ class QRScannerController: UIViewController, AVCaptureMetadataOutputObjectsDeleg
}
// Get an instance of the AVCaptureDevice class to initialize a device object and provide the video as the media type parameter.
let captureDevice = AVCaptureDevice.default(for: AVMediaType.video)
guard let captureDevice = AVCaptureDevice.default(for: .video) else {
scannerOutput.text = "CameraAccessDenied.".localize()
return
}
do {
// Get an instance of the AVCaptureDeviceInput class using the previous device object.
let input = try AVCaptureDeviceInput(device: captureDevice!)
let input = try AVCaptureDeviceInput(device: captureDevice)
// Initialize the captureSession object.
captureSession = AVCaptureSession()