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@@ -165,3 +165,125 @@
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### 参考にしたサイト
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[https://qiita.com/tetsufe/items/9ff5fe190ee190afa1bb](https://qiita.com/tetsufe/items/9ff5fe190ee190afa1bb)
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### 追記
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```Swift
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//PhotoLibraryManager.swift
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import Photos
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struct PhotoLibraryManager{
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var parentViewController : UIViewController!
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init(parentViewController: UIViewController){
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self.parentViewController = parentViewController
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}
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// 写真へのアクセスがOFFのときに使うメソッド
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func requestAuthorizationOn(){
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// authorization
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let status = PHPhotoLibrary.authorizationStatus()
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if (status == PHAuthorizationStatus.denied) {
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//アラートビューで設定変更するかしないかを聞く
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let alert = UIAlertController(title: "写真へのアクセスを許可",
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message: "写真へのアクセスを許可する必要があります。設定を変更してください。",
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preferredStyle: .alert)
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let settingsAction = UIAlertAction(title: "設定変更", style: .default) { (_) -> Void in
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guard let _ = URL(string: UIApplicationOpenSettingsURLString ) else {
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return
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}
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}
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alert.addAction(settingsAction)
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alert.addAction(UIAlertAction(title: "キャンセル", style: .cancel) { _ in
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// ダイアログがキャンセルされた。つまりアクセス許可は得られない。
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})
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self.parentViewController.present(alert, animated: true)
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}
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}
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func callPhotoLibrary(){
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//権限の確認
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requestAuthorizationOn()
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if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.photoLibrary) {
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let picker = UIImagePickerController()
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/*
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picker.modalPresentationStyle = UIModalPresentationStyle.popover
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picker.delegate = self.parentViewController as? UIImagePickerControllerDelegate & UINavigationControllerDelegate
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picker.sourceType = UIImagePickerControllerSourceType.photoLibrary
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if let popover = picker.popoverPresentationController {
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popover.sourceView = self.parentViewController.view
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popover.sourceRect = self.parentViewController.view.frame
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// ポップオーバーの表示元となるエリア
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popover.permittedArrowDirections = UIPopoverArrowDirection.any
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}*/
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self.parentViewController.present(picker, animated: true, completion: nil)
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}
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}
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}
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```
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PhotoLibraryManager.swiftをこのようにした結果フォトライブラリーは開くようになりました。
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