From 74c7b6c7ac226c39e5ce252af234dc50efa38e74 Mon Sep 17 00:00:00 2001
From: 无故事王国 <841720330@qq.com>
Date: 星期二, 05 三月 2024 19:33:39 +0800
Subject: [PATCH] fix
---
WanPai/Common/VC/CommonScanQRCodeVC.swift | 600 ++++++++++++++++++++++++++++++------------------------------
1 files changed, 300 insertions(+), 300 deletions(-)
diff --git a/WanPai/Common/VC/CommonScanQRCodeVC.swift b/WanPai/Common/VC/CommonScanQRCodeVC.swift
index 6474106..a4dcb21 100644
--- a/WanPai/Common/VC/CommonScanQRCodeVC.swift
+++ b/WanPai/Common/VC/CommonScanQRCodeVC.swift
@@ -12,341 +12,341 @@
class CommonScanQRCodeVC: BaseVC,AVCaptureMetadataOutputObjectsDelegate {
- //是否是第一次扫描到结果
- public var firstResult: Bool = true
- //AVCaptureSession对象来执行输入设备和输出设备之间的数据传递
- public var session: AVCaptureSession?
- //输入设备
- public var videoInput: AVCaptureDeviceInput?
- //输出对象
- public var metadataOutput: AVCaptureMetadataOutput = AVCaptureMetadataOutput()
- //预览图层
- public var previewLayer: AVCaptureVideoPreviewLayer?
- public var scanTimer: Timer?
- //边框
- public var borderView:UIImageView?
- //line
- public var scanLineView:UIImageView?
- //返回按钮
- public var closeBtn:UIButton?
+ //是否是第一次扫描到结果
+ public var firstResult: Bool = true
+ //AVCaptureSession对象来执行输入设备和输出设备之间的数据传递
+ public var session: AVCaptureSession?
+ //输入设备
+ public var videoInput: AVCaptureDeviceInput?
+ //输出对象
+ public var metadataOutput: AVCaptureMetadataOutput = AVCaptureMetadataOutput()
+ //预览图层
+ public var previewLayer: AVCaptureVideoPreviewLayer?
+ public var scanTimer: Timer?
+ //边框
+ public var borderView:UIImageView?
+ //line
+ public var scanLineView:UIImageView?
+ //返回按钮
+ public var closeBtn:UIButton?
- private let borderWidth:CGFloat = 400
- private let topMargin: CGFloat = 230
- private var clouse:((String,Bool)->Void)?
+ private let borderWidth:CGFloat = 400
+ private let topMargin: CGFloat = 230
+ private var clouse:((String,Bool)->Void)?
- /// 返回扫描结果，是否时第一次扫描到结果
- public convenience init(clouse:@escaping (String,Bool)->Void){
- self.init()
- self.clouse = clouse
- }
-
- public override func viewDidLoad() {
- super.viewDidLoad()
- title = "扫描二维码"
- if UIImagePickerController.isSourceTypeAvailable(.camera){
-
- if borderView == nil {
- borderView = UIImageView(image: UIImage(named: "ty_qrcode_bg"))
- }
-
- if scanLineView == nil {
- scanLineView = UIImageView(image: UIImage(named: "ty_qrcode_line"))
- }
-
- if closeBtn == nil && modalPresentationStyle == .fullScreen && self.presentationController != nil {
- closeBtn = UIButton(type: .custom)
- closeBtn!.addTarget(self, action: #selector(closeView), for: .touchUpInside)
- let image = Bundle.JQ_Bundle(icon: "close_btn")
- closeBtn!.setImage(image, for: .normal)
- view.addSubview(closeBtn!)
- closeBtn!.snp.makeConstraints { (make) in
- make.top.equalTo(30)
- make.left.equalTo(20)
- make.width.height.equalTo(30)
- }
- }
-
- let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
- if authStatus == AVAuthorizationStatus.notDetermined {
- AVCaptureDevice.requestAccess(for: AVMediaType.video) { (granted) in
- if granted{
- self.limitSuccess()
- }else{
- self.limitFaild()
- }
- }
- } else if authStatus == AVAuthorizationStatus.restricted || authStatus == AVAuthorizationStatus.denied {
- limitFaild()
- } else {
- limitSuccess()
- }
- }else{
- alertError(msg: "当前环境相机不可用")
- DispatchQueue.main.asyncAfter(deadline: .now()+1) {
- self.navigationController?.popViewController()
- }
- }
-
-
-// if(!checkCameraAuth()){
-//
-// let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
-// if authStatus == AVAuthorizationStatus.notDetermined {
-// AVCaptureDevice.requestAccess(for: AVMediaType.video) {[weak self] (granted) in
-// if granted{
-// self?.setupCaptureSession()
-// self?.addSubviews()
-// self?.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
-// }
-// }
-// } else if authStatus == AVAuthorizationStatus.restricted || authStatus == AVAuthorizationStatus.denied {
-// let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
-// let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
-// self.navigationController?.popViewController(animated: true)
-// })
-//
-// let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in
-// let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
-// if UIApplication.shared.canOpenURL(settingUrl as URL){
-// if #available(iOS 10.0, *) {
-// UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
-// } else {
-// UIApplication.shared.openURL(settingUrl as URL)
-// }
-// }
-// })
-//
-// alertController.addAction(cancelAction)
-// alertController.addAction(okAction)
-// self.present(alertController, animated: true, completion: nil)
-// } else {
-//
-// }
-//
-// }else{
-// setupCaptureSession()
-// addSubviews()
-// scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
-// }
- }
-
- private func limitSuccess(){
- setupCaptureSession()
- DispatchQueue.main.async {
- self.addSubviews()
- self.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(self.startAnimation), userInfo: nil, repeats: true)
-
- self.firstResult = true
- if let session = self.session {
- let queue = DispatchQueue(label: "startRun")
- queue.async {
- session.startRunning()
- }
- }
- self.scanTimer?.fireDate = NSDate.distantPast
- }
- }
-
- private func limitFaild(){
- DispatchQueue.main.async {
- let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
- let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
- if self.qmui_isPresented(){
- self.dismiss(animated: true)
- }else{
- self.navigationController?.popViewController(animated: true)
- }
- })
-
- let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in
-
- if self.qmui_isPresented(){
- self.dismiss(animated: true)
- }else{
- self.navigationController?.popViewController(animated: true)
+ /// 返回扫描结果，是否时第一次扫描到结果
+ public convenience init(clouse:@escaping (String,Bool)->Void){
+ self.init()
+ self.clouse = clouse
}
+ public override func viewDidLoad() {
+ super.viewDidLoad()
+ title = "扫描二维码"
+ if UIImagePickerController.isSourceTypeAvailable(.camera){
- let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
- if UIApplication.shared.canOpenURL(settingUrl as URL){
- if #available(iOS 10.0, *) {
- UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
- } else {
- UIApplication.shared.openURL(settingUrl as URL)
- }
+ if borderView == nil {
+ borderView = UIImageView(image: UIImage(named: "ty_qrcode_bg"))
+ }
+
+ if scanLineView == nil {
+ scanLineView = UIImageView(image: UIImage(named: "ty_qrcode_line"))
+ }
+
+ if closeBtn == nil && modalPresentationStyle == .fullScreen && self.presentationController != nil {
+ closeBtn = UIButton(type: .custom)
+ closeBtn!.addTarget(self, action: #selector(closeView), for: .touchUpInside)
+ let image = Bundle.JQ_Bundle(icon: "close_btn")
+ closeBtn!.setImage(image, for: .normal)
+ view.addSubview(closeBtn!)
+ closeBtn!.snp.makeConstraints { (make) in
+ make.top.equalTo(30)
+ make.left.equalTo(20)
+ make.width.height.equalTo(30)
+ }
+ }
+
+ let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
+ if authStatus == AVAuthorizationStatus.notDetermined {
+ AVCaptureDevice.requestAccess(for: AVMediaType.video) { (granted) in
+ if granted{
+ self.limitSuccess()
+ }else{
+ self.limitFaild()
+ }
+ }
+ } else if authStatus == AVAuthorizationStatus.restricted || authStatus == AVAuthorizationStatus.denied {
+ limitFaild()
+ } else {
+ limitSuccess()
+ }
+ }else{
+ alertError(msg: "当前环境相机不可用")
+ DispatchQueue.main.asyncAfter(deadline: .now()+1) {
+ self.navigationController?.popViewController()
+ }
+ }
+
+
+ // if(!checkCameraAuth()){
+ //
+ // let authStatus = AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
+ // if authStatus == AVAuthorizationStatus.notDetermined {
+ // AVCaptureDevice.requestAccess(for: AVMediaType.video) {[weak self] (granted) in
+ // if granted{
+ // self?.setupCaptureSession()
+ // self?.addSubviews()
+ // self?.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
+ // }
+ // }
+ // } else if authStatus == AVAuthorizationStatus.restricted || authStatus == AVAuthorizationStatus.denied {
+ // let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
+ // let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
+ // self.navigationController?.popViewController(animated: true)
+ // })
+ //
+ // let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in
+ // let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
+ // if UIApplication.shared.canOpenURL(settingUrl as URL){
+ // if #available(iOS 10.0, *) {
+ // UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
+ // } else {
+ // UIApplication.shared.openURL(settingUrl as URL)
+ // }
+ // }
+ // })
+ //
+ // alertController.addAction(cancelAction)
+ // alertController.addAction(okAction)
+ // self.present(alertController, animated: true, completion: nil)
+ // } else {
+ //
+ // }
+ //
+ // }else{
+ // setupCaptureSession()
+ // addSubviews()
+ // scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(startAnimation), userInfo: nil, repeats: true)
+ // }
}
- })
- alertController.addAction(cancelAction)
- alertController.addAction(okAction)
- self.present(alertController, animated: true, completion: nil)
- }
- }
+ private func limitSuccess(){
+ setupCaptureSession()
+ DispatchQueue.main.async {
+ self.addSubviews()
+ self.scanTimer = Timer.scheduledTimer(timeInterval: 3.0, target: self, selector: #selector(self.startAnimation), userInfo: nil, repeats: true)
- func checkCameraAuth() -> Bool {
- let status = AVCaptureDevice.authorizationStatus(for: .video)
- return status == .authorized;
- }
+ self.firstResult = true
+ if let session = self.session {
+ let queue = DispatchQueue(label: "startRun")
+ queue.async {
+ session.startRunning()
+ }
+ }
+ self.scanTimer?.fireDate = NSDate.distantPast
+ }
+ }
- //MARK:生成背景遮盖
- func getCoverView(left: CGFloat, top: CGFloat) -> UIImage? {
- UIGraphicsBeginImageContext(CGSize(width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
- let contextRef = UIGraphicsGetCurrentContext()
- contextRef?.setFillColor(UIColor (red: 111/255.0, green: 111/255.0, blue: 22/255.0, alpha: 0.5).cgColor)
- contextRef?.fill(CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height))
- let inset:CGFloat = 4
- contextRef?.clear(CGRect(x: left + inset, y: top + inset, width: UIScreen.main.bounds.size.width - left * 2 - inset * 2, height: UIScreen.main.bounds.size.width - left * 2 - inset * 2))
- return UIGraphicsGetImageFromCurrentImageContext()
- }
+ private func limitFaild(){
+ DispatchQueue.main.async {
+ let alertController = UIAlertController(title: nil,message: "请在iphone的“设置-隐私-相机”选项中，允许应用访问你的相机", preferredStyle: .alert)
+ let cancelAction = UIAlertAction(title: "取消", style: .cancel, handler: { action in
+ if self.qmui_isPresented(){
+ self.dismiss(animated: true)
+ }else{
+ self.navigationController?.popViewController(animated: true)
+ }
+ })
- func addSubviews() {
- let _: CGFloat = (UIScreen.main.bounds.size.width - borderWidth) * 0.5
+ let okAction = UIAlertAction(title: "前往", style: .default, handler: {action in
- //
+ if self.qmui_isPresented(){
+ self.dismiss(animated: true)
+ }else{
+ self.navigationController?.popViewController(animated: true)
+ }
- // let coverImageView = UIImageView(frame: CGRect(x: 0, y: 64, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
- // coverImageView.backgroundColor = UIColor.clear
- // coverImageView.image = self.getCoverView(left: leftMargin, top: topMargin)
- // view.addSubview(coverImageView)
+
+ let settingUrl = NSURL(string: UIApplication.openSettingsURLString)!
+ if UIApplication.shared.canOpenURL(settingUrl as URL){
+ if #available(iOS 10.0, *) {
+ UIApplication.shared.open(settingUrl as URL, options: [:], completionHandler: nil)
+ } else {
+ UIApplication.shared.openURL(settingUrl as URL)
+ }
+ }
+ })
+
+ alertController.addAction(cancelAction)
+ alertController.addAction(okAction)
+ self.present(alertController, animated: true, completion: nil)
+ }
+ }
+
+ func checkCameraAuth() -> Bool {
+ let status = AVCaptureDevice.authorizationStatus(for: .video)
+ return status == .authorized;
+ }
+
+ //MARK:生成背景遮盖
+ func getCoverView(left: CGFloat, top: CGFloat) -> UIImage? {
+ UIGraphicsBeginImageContext(CGSize(width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
+ let contextRef = UIGraphicsGetCurrentContext()
+ contextRef?.setFillColor(UIColor (red: 111/255.0, green: 111/255.0, blue: 22/255.0, alpha: 0.5).cgColor)
+ contextRef?.fill(CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height))
+ let inset:CGFloat = 4
+ contextRef?.clear(CGRect(x: left + inset, y: top + inset, width: UIScreen.main.bounds.size.width - left * 2 - inset * 2, height: UIScreen.main.bounds.size.width - left * 2 - inset * 2))
+ return UIGraphicsGetImageFromCurrentImageContext()
+ }
+
+ func addSubviews() {
+ let _: CGFloat = (UIScreen.main.bounds.size.width - borderWidth) * 0.5
+
+ //
+
+ // let coverImageView = UIImageView(frame: CGRect(x: 0, y: 64, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height - 64))
+ // coverImageView.backgroundColor = UIColor.clear
+ // coverImageView.image = self.getCoverView(left: leftMargin, top: topMargin)
+ // view.addSubview(coverImageView)
- //扫描边框
- borderView!.frame = CGRect.init(x: (UIScreen.main.bounds.size.width-(self.view.center.x+30))/2, y: (UIScreen.main.bounds.size.height-(self.view.center.x + 30))/2, width: self.view.center.x + 30, height: self.view.center.x + 30)
- view.addSubview(borderView!)
+ //扫描边框
+ borderView!.frame = CGRect.init(x: (UIScreen.main.bounds.size.width-(self.view.center.x+30))/2, y: (UIScreen.main.bounds.size.height-(self.view.center.x + 30))/2, width: self.view.center.x + 30, height: self.view.center.x + 30)
+ view.addSubview(borderView!)
- //扫描的线
- scanLineView!.frame = CGRect(x:borderView!.frame.origin.x+2, y: borderView!.frame.origin.y+2, width: borderView!.bounds.size.width, height: 2)
- view.addSubview(scanLineView!)
+ //扫描的线
+ scanLineView!.frame = CGRect(x:borderView!.frame.origin.x+2, y: borderView!.frame.origin.y+2, width: borderView!.bounds.size.width, height: 2)
+ view.addSubview(scanLineView!)
- let tipLabel = UILabel();
- tipLabel.text = "对准二维码，即可自动扫描";
- tipLabel.textColor = UIColor.white;
- tipLabel.font = UIFont.systemFont(ofSize: 14)
- tipLabel.textAlignment = .center;
- tipLabel.frame = CGRect(x: 0, y:0, width:200, height: 40)
- tipLabel.center = CGPoint(x: borderView!.center.x , y: borderView!.center.y + (self.view.center.x + 30)/2 + 30);
- view.addSubview(tipLabel)
- }
+ let tipLabel = UILabel();
+ tipLabel.text = "对准二维码，即可自动扫描";
+ tipLabel.textColor = UIColor.white;
+ tipLabel.font = UIFont.systemFont(ofSize: 14)
+ tipLabel.textAlignment = .center;
+ tipLabel.frame = CGRect(x: 0, y:0, width:200, height: 40)
+ tipLabel.center = CGPoint(x: borderView!.center.x , y: borderView!.center.y + (self.view.center.x + 30)/2 + 30);
+ view.addSubview(tipLabel)
+ }
- //MARK:- 开始扫描动画
- @objc func startAnimation() -> Void {
+ //MARK:- 开始扫描动画
+ @objc func startAnimation() -> Void {
- //让约束从顶部开始
- var frame = self.scanLineView!.frame
- frame.origin.y = borderView!.frame.origin.y
- self.scanLineView!.frame = frame
- self.scanLineView!.layoutIfNeeded()
+ //让约束从顶部开始
+ var frame = self.scanLineView!.frame
+ frame.origin.y = borderView!.frame.origin.y
+ self.scanLineView!.frame = frame
+ self.scanLineView!.layoutIfNeeded()
- UIView.animate(withDuration: 3.0, animations: {
- //改变frame
- frame.origin.y = self.borderView!.frame.origin.y+self.borderView!.bounds.size.height
- self.scanLineView!.frame = frame
- //强制更新界面
- self.scanLineView!.layoutIfNeeded()
- })
- }
+ UIView.animate(withDuration: 3.0, animations: {
+ //改变frame
+ frame.origin.y = self.borderView!.frame.origin.y+self.borderView!.bounds.size.height
+ self.scanLineView!.frame = frame
+ //强制更新界面
+ self.scanLineView!.layoutIfNeeded()
+ })
+ }
- func stopAnimation() -> Void {
- //让约束从顶部开始
- var frame = self.scanLineView!.frame
- frame.origin.y = 64 + topMargin
- self.scanLineView!.frame = frame
- self.scanLineView!.layoutIfNeeded()
- scanTimer?.invalidate()
- scanTimer = nil
- }
+ func stopAnimation() -> Void {
+ //让约束从顶部开始
+ var frame = self.scanLineView!.frame
+ frame.origin.y = 64 + topMargin
+ self.scanLineView!.frame = frame
+ self.scanLineView!.layoutIfNeeded()
+ scanTimer?.invalidate()
+ scanTimer = nil
+ }
- public override func viewWillDisappear(_ animated: Bool) {
- super.viewWillDisappear(animated)
+ public override func viewWillDisappear(_ animated: Bool) {
+ super.viewWillDisappear(animated)
- //关闭session
- if let session = self.session{
- session.stopRunning()
- }
- }
+ //关闭session
+ if let session = self.session{
+ session.stopRunning()
+ }
+ }
- @objc func closeView(){
- if (self.presentationController != nil) {
- self.dismiss(animated: true, completion: nil)
- }else{
- self.navigationController?.popViewController(animated: true)
- }
- }
+ @objc func closeView(){
+ if (self.presentationController != nil) {
+ self.dismiss(animated: true, completion: nil)
+ }else{
+ self.navigationController?.popViewController(animated: true)
+ }
+ }
- deinit {
- scanTimer?.invalidate()
- scanTimer = nil
- print("scan-----deinit")
+ deinit {
+ scanTimer?.invalidate()
+ scanTimer = nil
+ print("scan-----deinit")
- }
+ }
- //MARK:设置session
- func setupCaptureSession() {
- self.session = AVCaptureSession()
+ //MARK:设置session
+ func setupCaptureSession() {
+ self.session = AVCaptureSession()
- //高质量采集率
- self.session?.sessionPreset = AVCaptureSession.Preset.high
- guard let device = AVCaptureDevice.default(for: AVMediaType.video) else { return }
- //更改这个设置的时候必须先锁定设备，修改完后再解锁，否则崩溃
- do{
- try device.lockForConfiguration()
- //设置闪光灯为自动
- device.flashMode = AVCaptureDevice.FlashMode.auto
- device.unlockForConfiguration()
- }catch{
- print("崩溃")
- }
- do{
- try self.videoInput = AVCaptureDeviceInput(device: device)
- }catch{
- print("崩溃")
- }
+ //高质量采集率
+ self.session?.sessionPreset = AVCaptureSession.Preset.high
+ guard let device = AVCaptureDevice.default(for: AVMediaType.video) else { return }
+ //更改这个设置的时候必须先锁定设备，修改完后再解锁，否则崩溃
+ do{
+ try device.lockForConfiguration()
+ //设置闪光灯为自动
+ device.flashMode = AVCaptureDevice.FlashMode.auto
+ device.unlockForConfiguration()
+ }catch{
+ print("崩溃")
+ }
+ do{
+ try self.videoInput = AVCaptureDeviceInput(device: device)
+ }catch{
+ print("崩溃")
+ }
- //输入设备
- if let videoInput = self.videoInput {
- if self.session?.canAddInput(videoInput) == true {
- self.session?.addInput(videoInput)
- }
- }
+ //输入设备
+ if let videoInput = self.videoInput {
+ if self.session?.canAddInput(videoInput) == true {
+ self.session?.addInput(videoInput)
+ }
+ }
- //添加输出
- if self.session?.canAddOutput(self.metadataOutput) == true{
- self.session?.addOutput(self.metadataOutput)
- }
+ //添加输出
+ if self.session?.canAddOutput(self.metadataOutput) == true{
+ self.session?.addOutput(self.metadataOutput)
+ }
- self.metadataOutput.metadataObjectTypes = [AVMetadataObject.ObjectType.qr,
- AVMetadataObject.ObjectType.ean13,
- AVMetadataObject.ObjectType.ean8,
- AVMetadataObject.ObjectType.code128,
- AVMetadataObject.ObjectType.code39,
- AVMetadataObject.ObjectType.code93]
+ self.metadataOutput.metadataObjectTypes = [AVMetadataObject.ObjectType.qr,
+ AVMetadataObject.ObjectType.ean13,
+ AVMetadataObject.ObjectType.ean8,
+ AVMetadataObject.ObjectType.code128,
+ AVMetadataObject.ObjectType.code39,
+ AVMetadataObject.ObjectType.code93]
- self.metadataOutput.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
+ self.metadataOutput.setMetadataObjectsDelegate(self, queue: DispatchQueue.main)
- //预览图层
- if let session = self.session {
- self.previewLayer = AVCaptureVideoPreviewLayer(session: session)
- self.previewLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
- self.previewLayer?.frame = CGRect(x: 0, y : 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height)
- }
+ //预览图层
+ if let session = self.session {
+ self.previewLayer = AVCaptureVideoPreviewLayer(session: session)
+ self.previewLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
+ self.previewLayer?.frame = CGRect(x: 0, y : 0, width: UIScreen.main.bounds.size.width, height: UIScreen.main.bounds.size.height)
+ }
- if let layer = self.previewLayer {
- view.layer.insertSublayer(layer, at: 0)
- }
- }
+ if let layer = self.previewLayer {
+ view.layer.insertSublayer(layer, at: 0)
+ }
+ }
- public func metadataOutput(_ output: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {
- self.session?.stopRunning();
- if (metadataObjects.count >= 1) {
- //数组中包含的都是AVMetadataMachineReadableCodeObject 类型的对象，该对象中包含解码后的数据
- let qrObject:AVMetadataMachineReadableCodeObject = metadataObjects.last as! AVMetadataMachineReadableCodeObject;
- //拿到扫描内容在这里进行个性化处理
- let result = qrObject.stringValue
- clouse?(result ?? "",firstResult)
- closeView()
- }
- }
+ public func metadataOutput(_ output: AVCaptureMetadataOutput, didOutput metadataObjects: [AVMetadataObject], from connection: AVCaptureConnection) {
+ self.session?.stopRunning();
+ if (metadataObjects.count >= 1) {
+ //数组中包含的都是AVMetadataMachineReadableCodeObject 类型的对象，该对象中包含解码后的数据
+ let qrObject:AVMetadataMachineReadableCodeObject = metadataObjects.last as! AVMetadataMachineReadableCodeObject;
+ //拿到扫描内容在这里进行个性化处理
+ let result = qrObject.stringValue
+ clouse?(result ?? "",firstResult)
+ closeView()
+ }
+ }
}
--
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