回答編集履歴
2
修正
test
CHANGED
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@@ -17,3 +17,169 @@
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}
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```
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確認したコード
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```swift
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import UIKit
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import AVFoundation
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class ViewController: UIViewController, AVCaptureMetadataOutputObjectsDelegate {
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let session: AVCaptureSession = AVCaptureSession()
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var prevlayer: AVCaptureVideoPreviewLayer!
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var hview: UIView = UIView()
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override func viewDidLoad() {
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super.viewDidLoad()
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//準備（サイズ調整、ボーダーカラー、カメラオブジェクト取得、エラー処理)
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self.hview.layer.borderColor = UIColor.greenColor().CGColor
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self.hview.layer.borderWidth = 3
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self.view.addSubview(self.hview)
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let device = AVCaptureDevice.defaultDeviceWithMediaType(AVMediaTypeVideo)
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//インプット
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do {
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let input = try AVCaptureDeviceInput(device: device)
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session.addInput(input)
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} catch let error as NSError {
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print(error)
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}
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//アウトプット
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let output = AVCaptureMetadataOutput()
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output.setMetadataObjectsDelegate(self, queue: dispatch_get_main_queue())
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session.addOutput(output)//プレビューアウトプットセット
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output.metadataObjectTypes = output.availableMetadataObjectTypes
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prevlayer = AVCaptureVideoPreviewLayer(session: session) as AVCaptureVideoPreviewLayer
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prevlayer.frame = self.view.bounds
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prevlayer.videoGravity = AVLayerVideoGravityResizeAspectFill
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self.view.layer.addSublayer(prevlayer)
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session.startRunning()//開始！
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}
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//バーコードが見つかった時に呼ばれる
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func captureOutput(captureOutput: AVCaptureOutput!, didOutputMetadataObjects metadataObjects: [AnyObject]!, fromConnection connection: AVCaptureConnection!) {
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var highlightViewRect = CGRectZero
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var barCodeObject : AVMetadataObject!
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var detectionString : String!
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//対応バーコードタイプ
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let barCodeTypes = [AVMetadataObjectTypeUPCECode,
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AVMetadataObjectTypeCode39Code,
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AVMetadataObjectTypeCode39Mod43Code,
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AVMetadataObjectTypeEAN13Code,
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AVMetadataObjectTypeEAN8Code,
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AVMetadataObjectTypeCode93Code,
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AVMetadataObjectTypeCode128Code,
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AVMetadataObjectTypePDF417Code,
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AVMetadataObjectTypeQRCode,
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AVMetadataObjectTypeAztecCode
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]
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//複数のバーコードの同時取得も可能
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for metadata in metadataObjects {
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for barcodeType in barCodeTypes {
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if metadata.type == barcodeType {
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barCodeObject = self.prevlayer.transformedMetadataObjectForMetadataObject(metadata as! AVMetadataMachineReadableCodeObject)
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highlightViewRect = barCodeObject.bounds
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detectionString = (metadata as! AVMetadataMachineReadableCodeObject).stringValue
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self.session.stopRunning()
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break
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}
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}
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}
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print(detectionString)
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self.prevlayer.frame = highlightViewRect
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self.view.bringSubviewToFront(self.hview)
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}
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}
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```
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1
修正
test
CHANGED
|
@@ -8,6 +8,8 @@
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let input = try AVCaptureDeviceInput(device: device)
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session.addInput(input)
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} catch let error as NSError {
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print(error)
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