前提・実現したいこと
Swift: WKWebView で、HTMLのinput type="file"でフォトライブラリー起動後に、選択した画像を反映
発生している問題・エラーメッセージ
フォトライブラリー起動で画像を選択後に、以下エラーメッセージが発生しております。
info.plistには以下を設定しています
・Privacy - Photo Library Usage Description
・Privacy - Photo Library Additions Usage Description
エラーメッセージ
errors encountered while discovering extensions: Error Domain=PlugInKit Code=13 "query cancelled" UserInfo={NSLocalizedDescription=query cancelled}
該当のソースコード
Swift
1import UIKit 2import WebKit 3import Photos 4 5class ViewController: UIViewController, WKUIDelegate, WKNavigationDelegate { 6 7 var webView: WKWebView! 8 9 let imagePickerController = UIImagePickerController() 10 11 override func viewDidLoad() { 12 super.viewDidLoad() 13 // Do any additional setup after loading the view, typically from a nib. 14 let statusBarHeight = UIApplication.shared.statusBarFrame.height 15 let screenWidth: CGFloat = self.view.frame.size.width 16 let screenHeight: CGFloat = self.view.frame.size.height 17 18 let rect = CGRect(x: 0, 19 y: statusBarHeight, 20 width: screenWidth, 21 height: screenHeight - statusBarHeight) 22 23 let webConfiguration = WKWebViewConfiguration() 24 webView = WKWebView(frame: rect, configuration: webConfiguration) 25 self.view.addSubview(webView) 26 27 webView.navigationDelegate = self 28 webView.uiDelegate = self 29 } 30 31 override func dismiss(animated flag: Bool, completion: (() -> Void)? = nil) { 32 if let _ = self.presentedViewController { 33 super.dismiss(animated: flag, completion: completion) 34 } 35 } 36 37 override func viewDidAppear(_ animated: Bool) { 38 super.viewDidAppear(animated) 39 40 self.permissionPhoto() 41 self.loadHtmlByLocal() 42 } 43 44 func permissionPhoto() { 45 let photos = PHPhotoLibrary.authorizationStatus() 46 if photos == .notDetermined { 47 PHPhotoLibrary.requestAuthorization({status in 48 if status == .authorized { 49 print("Alert of permission is displayed") 50 } else {} 51 }) 52 } 53 } 54 55 private func loadHtmlByLocal() { 56 let path = Bundle.main.url( 57 forResource: "permission_photo", 58 withExtension: "html")! 59 webView.loadFileURL(path, allowingReadAccessTo: path) 60 } 61} 62 63extension ViewController: UINavigationControllerDelegate, UIImagePickerControllerDelegate { 64 func imagePickerControllerDidCancel(_ picker: UIImagePickerController) { 65 picker.dismiss(animated: true, completion: nil) 66 } 67 68 func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) { 69 picker.dismiss(animated: true, completion: nil) 70 guard let _ = info[.originalImage] as? UIImage else { 71 print("No image found") 72 return 73 } 74 } 75} 76 77<html> 78javascriptなどは省略... 79<input type="file" accept="image/*" id="pngFile"/>
補足情報(FW/ツールのバージョンなど)
Xcode: 10.0
swift: 4.2
検証iOS: iO11、12
あなたの回答
tips
プレビュー