質問編集履歴
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Swiftでライブラリの画像を選択したらその画像が複製される問題を解決したい
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複製されないようにするにはどうしたらいいのか？を知りたい
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```
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```Swift
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-
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import UIKit
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//画像を選択
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@@ -131,4 +130,5 @@
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}
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}
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```
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@@ -1,6 +1,6 @@
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1
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Swiftでライブラリの画像を選択したらその画像が複製される問題を解決したい
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2
2
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複製されないようにするにはどうしたらいいのか？を知りたい
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3
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-
```
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```
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import UIKit
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@@ -1,2 +1,134 @@
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1
1
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Swiftでライブラリの画像を選択したらその画像が複製される問題を解決したい
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2
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-
複製されないようにするにはどうしたらいいのか？を知りたい
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2
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+
複製されないようにするにはどうしたらいいのか？を知りたい
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3
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+
```Swift
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4
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5
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import UIKit
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6
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7
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//画像を選択
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8
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extension TapViewController: UIImagePickerControllerDelegate, UINavigationControllerDelegate {
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9
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10
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//画像を選んだ時の処理
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func imagePickerController(_ picker: UIImagePickerController,didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
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let selectedImage = info[UIImagePickerController.InfoKey.originalImage] as! UIImage
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15
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self.imageView.image = image
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UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil)
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//サイズを圧縮する
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// let resizedImage = selectedImage.scale(byFactor: 0.4)
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image = selectedImage
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var imageHeight = image.size.height
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var imageWidth = image.size.width
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let navigationBarHeight = navigationController?.navigationBar.frame.height
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let width = self.view.frame.width
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let height = self.view.frame.height
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let centerX = self.view.center.x
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let centerY = self.view.center.y
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let widthRatio = imageWidth
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let heightRatio = imageHeight
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32
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//画像の大きさに応じてiamgeviewのサイズを変える
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33
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if imageHeight > self.view.frame.height || imageWidth > self.view.frame.width {
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print("1")
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imageWidth = width
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imageHeight = width*heightRatio/widthRatio
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37
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} else if imageHeight > self.view.frame.height {
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print("2")
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40
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imageHeight = height
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imageWidth = height*widthRatio/heightRatio
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42
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43
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} else if imageWidth > self.view.frame.width {
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print("3")
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45
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imageWidth = width
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46
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imageHeight = width*heightRatio/widthRatio
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47
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} else {
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49
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}
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50
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51
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imageView.contentMode = UIView.ContentMode.scaleToFill
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imageView.frame.size = CGSize(width: imageWidth, height: imageHeight)
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53
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//画像がnavigationbarに被らないようにする
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54
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if imageHeight/2 > (height/2 - navigationBarHeight!) {
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print("4")
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imageView.center = CGPoint(x: centerX, y: centerY + navigationBarHeight!)
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} else {
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58
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print("5")
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59
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imageView.center = CGPoint(x: centerX, y: centerY)
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60
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}
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61
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62
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imageView.image = image
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63
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64
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picker.dismiss(animated: true, completion: nil)
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}
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66
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67
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+
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68
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+
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69
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// 撮影がキャンセルされた時に呼ばれる
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70
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func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
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picker.dismiss(animated: true, completion: nil)
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}
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73
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74
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func tappedlibrary() {
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75
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let sourceType:UIImagePickerController.SourceType = UIImagePickerController.SourceType.photoLibrary
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76
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77
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if UIImagePickerController.isSourceTypeAvailable(UIImagePickerController.SourceType.photoLibrary){
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78
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// インスタンスの作成
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79
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let cameraPicker = UIImagePickerController()
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80
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cameraPicker.sourceType = sourceType
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81
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cameraPicker.delegate = self
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82
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self.present(cameraPicker, animated: true, completion: nil)
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83
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}
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84
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else{
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85
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print("error")
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86
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+
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87
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}
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88
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}
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89
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+
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90
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func tappedcamera() {
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91
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let sourceType:UIImagePickerController.SourceType = UIImagePickerController.SourceType.camera
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92
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// カメラが利用可能かチェック
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93
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if UIImagePickerController.isSourceTypeAvailable(UIImagePickerController.SourceType.camera){
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94
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// インスタンスの作成
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95
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let cameraPicker = UIImagePickerController()
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96
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cameraPicker.sourceType = sourceType
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97
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cameraPicker.delegate = self
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98
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self.present(cameraPicker, animated: true, completion: nil)
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99
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+
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100
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+
}
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101
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+
else{
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102
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print("error")
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103
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+
}
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104
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+
}
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|
105
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+
|
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106
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+
@IBAction func selecteImageButton(_ sender: UITapGestureRecognizer) {
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|
107
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+
|
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108
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//アラート表示のために
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109
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let actionSheet = UIAlertController(title: "", message: "写真の選択", preferredStyle: UIAlertController.Style.actionSheet)
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110
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+
|
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111
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+
let tappedcamera = UIAlertAction(title: "カメラで撮影", style: UIAlertAction.Style.default, handler: {
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|
112
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(action: UIAlertAction!) in
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|
113
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+
self.tappedcamera()
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114
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+
})
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115
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+
|
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116
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+
let tappedlibrary = UIAlertAction(title: "ライブラリから選択", style: UIAlertAction.Style.default, handler: {
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117
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(action: UIAlertAction!) in
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118
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self.tappedlibrary()
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119
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+
})
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120
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+
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121
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let cancel = UIAlertAction(title: "キャンセル", style: UIAlertAction.Style.cancel, handler: {
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122
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(action: UIAlertAction!) in
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123
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print("キャンセル")
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124
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+
})
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|
125
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+
|
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126
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actionSheet.addAction(tappedcamera)
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127
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+
actionSheet.addAction(tappedlibrary)
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128
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+
actionSheet.addAction(cancel)
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129
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+
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130
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+
present(actionSheet, animated: true, completion: nil)
|
|
131
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+
|
|
132
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+
}
|
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133
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+
|
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134
|
+
}```
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