質問編集履歴
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修正
test
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test
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設定したレイヤーをとりのぞいてボタンを初期状態に戻したいのですが、どのようにすればよいでしょうか?
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```swift
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↓これでグラデーションを追加
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// ボタン背景にグラデーションを変更する関数
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func changeSelectedButtonBackground (Button: UIButton) {
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// 選択されたボタンのグラデーション色を設定する
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let topColor = UIColor.hex(hexStr: "AAAAAA", alpha: 1.0)
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let bottomColor = UIColor.hex(hexStr: "686868", alpha: 1.0)
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//グラデーションの色を配列で管理
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let gradientColors: [CGColor] = [topColor.cgColor, bottomColor.cgColor]
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//グラデーションレイヤーを
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//グラデーションレイヤーを作成
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let gradientLayer: CAGradientLayer = CAGradientLayer()
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//グラデーションの色をレイヤーに割り当てる
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gradientLayer.colors = gradientColors
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//グラデーションレイヤーを対象ボタンのサイズにする
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gradientLayer.frame = Button.bounds
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//グラデーションレイヤーを配置 index(0)に追加しているので、index指定で削除できたら今後自由度高くなるから嬉しい
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Button.layer.insertSublayer(gradientLayer, at: 0)
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}
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↓この関数で特定ボタンのグラデーションを解除したいが、StoryBoardでも背景にグラデーションを掛けてるのでそれもきえてるのかな?
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// ボタン背景のグラデーションを取り除く関数
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func removeGradientFromButtonBackground (Button: UIButton) {
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Button.layer.sublayers = nil
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}
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```
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↓の
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↓下記を実行した際のプリントログ
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```swift
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// ボタン背景のグラデーションを取り除く関数
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func changeDefaultButtonBackground (Button: UIButton) {
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//Button.layer.sublayers?.remove(at: 0)
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if let layer = Button.layer.sublayers?.first {
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print("Button.layer.sublayers:",Button.layer.sublayers)
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layer.removeFromSuperlayer()
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}
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}
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```
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Button.layer.sublayers:
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Optional([<CAGradientLayer:0x168666f0; position = CGPoint (31.75 13.5);
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bounds = CGRect (0 0; 63.5 27); allowsGroupOpacity = YES; zPosition = -100;
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cornerRadius = 1; colors = (
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"<CGColor 0x155c9e90> [<CGColorSpace 0x1565cdb0> (kCGColorSpaceICCBased; kCGColorSpaceModelRGB; sRGB IEC61966-2.1; extended range)] ( 0.121569 0.129412 0.141176 1 )",
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"<CGColor 0x15591600> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 0.407819 1 )")>,
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<CAGradientLayer:0x156755f0; position = CGPoint (31.75 13.25); bounds = CGRect (0 0; 63.5 26.5); allowsGroupOpacity = YES; colors = (
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"<CGColor 0x156f9400> [<CGColorSpace 0x1565cdb0> (kCGColorSpaceICCBased; kCGColorSpaceModelRGB; sRGB IEC61966-2.1; extended range)] ( 0.666667 0.666667 0.666667 1 )",
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"<CGColor 0x15665b00> [<CGColorSpace 0x1565cdb0> (kCGColorSpaceICCBased; kCGColorSpaceModelRGB; sRGB IEC61966-2.1; extended range)] ( 0.407843 0.407843 0.407843 1 )")>,
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<CALayer:0x1683fd20; position = CGPoint (0 0); bounds = CGRect (0 0; 0 0); delegate = <UIImageView: 0x155294f0; frame = (0 0; 0 0);
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clipsToBounds = YES; alpha = 0.2; hidden = YES; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0x1683fd20>>; hidden = YES; masksToBounds = YES; allowsGroupOpacity = YES; opacity = 0.2>,
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<_UILabelLayer:0x155aa940; position = CGPoint (31.75 13.75); bounds = CGRect (0 0; 51.5 11.5); delegate = <UIButtonLabel: 0x155a0ee0; frame = (6 8; 51.5 11.5); text = 'CLIPLINES'; alpha = 0.2; opaque = NO;
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userInteractionEnabled = NO;
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layer = <_UILabelLayer: 0x155aa940>>; contents = <CABackingStore 0x15789090 (buffer [123 23] BGRA8888)>; allowsGroupOpacity = YES; opacity = 0.2; contentsMultiplyColor = (null); rasterizationScale = 2; contentsScale = 2>,
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<CALayer:0x1683d990; position = CGPoint (59.5 22.5);bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x155295f0; frame = (58.5 21.5; 2 2); layer = <CALayer: 0x1683d990>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x16840460; position = CGPoint (59.5 22.5); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x155296d0; frame = (58.5 21.5; 2 2);
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layer = <CALayer: 0x16840460>>;
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allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x1552d0b0; position = CGPoint (59.5 22.5); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x1552cfd0; frame = (58.5 21.5; 2 2); layer = <CALayer: 0x1552d0b0>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x1561e380; position = CGPoint (59.5 22.5); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x15651c50; frame = (58.5 21.5; 2 2); layer = <CALayer: 0x1561e380>>;
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allowsGroupOpacity = YES; backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x156662e0; position = CGPoint (59.5 22.5);bounds = CGRect (0 0; 2 2);delegate = <UIView: 0x15666200;frame = (58.5 21.5; 2 2);
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layer = <CALayer: 0x156662e0>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x157da490; position = CGPoint (59.5 23); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x157da3b0; frame = (58.5 22; 2 2);
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layer = <CALayer: 0x157da490>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x157daa10; position = CGPoint (59.5 23); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x157da930; frame = (58.5 22; 2 2);
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layer = <CALayer: 0x157daa10>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x1564b150; position = CGPoint (59.5 23); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x1565fc20; frame = (58.5 22; 2 2);
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layer = <CALayer: 0x1564b150>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x16868830; position = CGPoint (59.5 23); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x15531c30; frame = (58.5 22; 2 2);
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layer = <CALayer: 0x16868830>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>,
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<CALayer:0x15547290; position = CGPoint (59.5 23); bounds = CGRect (0 0; 2 2); delegate = <UIView: 0x155471b0; frame = (58.5 22; 2 2);
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layer = <CALayer: 0x15547290>>; allowsGroupOpacity = YES;
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backgroundColor = <CGColor 0x156af0f0> [<CGColorSpace 0x15560350> (kCGColorSpaceICCBased; kCGColorSpaceModelMonochrome; Generic Gray Gamma 2.2 Profile; extended range)] ( 1 1 )>])
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3
追記
test
CHANGED
File without changes
|
test
CHANGED
@@ -43,3 +43,91 @@
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|
43
43
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XXXButton.layer.sublayers = nil
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44
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45
45
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```
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回答ありがとうございます。
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質問が雑だと思うので、詳しく追記します。
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53
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```swift
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56
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57
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+
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58
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59
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↓これでグラデーションを追加
|
60
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+
|
61
|
+
|
62
|
+
|
63
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+
// ボタン背景にグラデーションを変更する関数
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64
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+
|
65
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+
func changeSelectedButtonBackground (Button: UIButton) {
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66
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+
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67
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// 選択されたボタンのグラデーション色を設定する
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68
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69
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let topColor = UIColor.hex(hexStr: "AAAAAA", alpha: 1.0)
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let bottomColor = UIColor.hex(hexStr: "686868", alpha: 1.0)
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73
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//グラデーションの色を配列で管理
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let gradientColors: [CGColor] = [topColor.cgColor, bottomColor.cgColor]
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77
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//グラデーションレイヤーを作成
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79
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let gradientLayer: CAGradientLayer = CAGradientLayer()
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81
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//グラデーションの色をレイヤーに割り当てる
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+
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gradientLayer.colors = gradientColors
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85
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//グラデーションレイヤーを対象ボタンのサイズにする
|
86
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87
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gradientLayer.frame = Button.bounds
|
88
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+
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89
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//グラデーションレイヤーを配置 index(0)に追加しているので、index指定で削除できたら今後自由度高くなるから嬉しい
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90
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+
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Button.layer.insertSublayer(gradientLayer, at: 0)
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}
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95
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+
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96
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+
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97
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+
|
98
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+
|
99
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+
↓この関数で特定ボタンのグラデーションを解除したいが、StoryBoardでも背景にグラデーションを掛けてるのでそれもきえてるのかな?
|
100
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+
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101
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+
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102
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+
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103
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+
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104
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105
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// ボタン背景のグラデーションを取り除く関数
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106
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107
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func removeGradientFromButtonBackground (Button: UIButton) {
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108
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109
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Button.layer.sublayers = nil
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111
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}
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```
|
116
|
+
|
117
|
+
グラデ追加ボタンタップでグラデ追加可能
|
118
|
+
|
119
|
+
↓
|
120
|
+
|
121
|
+
グラデ解除ボタンタップでデフォルトグラデーション・設定したグラデーション・ボタンタイトルが消える
|
122
|
+
|
123
|
+
↓
|
124
|
+
|
125
|
+
グラデ追加ボタンタップでランタイムエラー
|
126
|
+
|
127
|
+
|
128
|
+
|
129
|
+
2018-03-13 16:20:58.935062 testPG[6188:3707982] -[_TtGCs23_ContiguousArrayStorageP__ isHidden]: unrecognized selector sent to instance 0x16018030
|
130
|
+
|
131
|
+
2018-03-13 16:20:58.936064 testPG[6188:3707982] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[_TtGCs23_ContiguousArrayStorageP__ isHidden]: unrecognized selector sent to instance 0x16018030'
|
132
|
+
|
133
|
+
*** First throw call stack:
|
2
誤記修正
test
CHANGED
File without changes
|
test
CHANGED
@@ -40,6 +40,6 @@
|
|
40
40
|
|
41
41
|
```swift
|
42
42
|
|
43
|
-
Button.layer.sublayers = nil
|
43
|
+
XXXButton.layer.sublayers = nil
|
44
44
|
|
45
45
|
```
|
1
変更
test
CHANGED
File without changes
|
test
CHANGED
@@ -31,3 +31,15 @@
|
|
31
31
|
インデックスを指定していして特定レイヤーだけを削除することはできるのでしょうか?
|
32
32
|
|
33
33
|
それとも他の方法がよいのでしょうか?
|
34
|
+
|
35
|
+
|
36
|
+
|
37
|
+
↓こちらの方法が正解っぽいらしいが、
|
38
|
+
|
39
|
+
ボタンの文字列が消える。レイヤー番号か名称の指定方法がわからない。
|
40
|
+
|
41
|
+
```swift
|
42
|
+
|
43
|
+
Button.layer.sublayers = nil
|
44
|
+
|
45
|
+
```
|