回答編集履歴
1
追記
answer
CHANGED
|
@@ -1,3 +1,66 @@
|
|
|
1
1
|
|
|
2
2
|
|
|
3
|
-
[参考にでも](https://github.com/tyobigoro/tTransition)
|
|
3
|
+
[参考にでも](https://github.com/tyobigoro/tTransition)
|
|
4
|
+
|
|
5
|
+
```swift
|
|
6
|
+
// 遷移時の処理
|
|
7
|
+
func animatePresentTransition(transitionContext: UIViewControllerContextTransitioning) {
|
|
8
|
+
// 遷移元、遷移先、枠、アニメーション用のラベル画像を取得
|
|
9
|
+
let green = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.from) as! GreenVC
|
|
10
|
+
let orange = transitionContext.viewController(forKey: UITransitionContextViewControllerKey.to) as! OrangeVC
|
|
11
|
+
let container: UIView! = transitionContext.containerView
|
|
12
|
+
|
|
13
|
+
let animationLabelImageView = UIImageView(image: green.label.getImage())
|
|
14
|
+
|
|
15
|
+
// アニーメーションラベルの遷移元座標、遷移先座標を取得
|
|
16
|
+
let fromFrame = container.convert(green.label.frame, from: green.view)
|
|
17
|
+
let toFrame = container.convert(orange.label.frame, from: orange.view)
|
|
18
|
+
|
|
19
|
+
// アニメーションラベルに遷移元座標を設定する
|
|
20
|
+
animationLabelImageView.frame = fromFrame
|
|
21
|
+
|
|
22
|
+
// 遷移先を用意する
|
|
23
|
+
orange.view.frame = container.frame
|
|
24
|
+
orange.view.alpha = .zero
|
|
25
|
+
|
|
26
|
+
// 描画する
|
|
27
|
+
container.addSubview(orange.view)
|
|
28
|
+
container.addSubview(animationLabelImageView)
|
|
29
|
+
|
|
30
|
+
// 実在するラベルの設定
|
|
31
|
+
orange.label.isHidden = true
|
|
32
|
+
green.label.isHidden = true
|
|
33
|
+
|
|
34
|
+
// アニメーションしながら遷移元と遷移先を入れ替える
|
|
35
|
+
UIView.animate(withDuration: duration, animations: {
|
|
36
|
+
orange.view.alpha = 1.0
|
|
37
|
+
animationLabelImageView.frame = toFrame
|
|
38
|
+
|
|
39
|
+
}, completion: {_ in
|
|
40
|
+
orange.label.isHidden = false
|
|
41
|
+
green.removeFromParent()
|
|
42
|
+
animationLabelImageView.removeFromSuperview()
|
|
43
|
+
transitionContext.completeTransition(true)
|
|
44
|
+
})
|
|
45
|
+
}
|
|
46
|
+
|
|
47
|
+
|
|
48
|
+
extension UIView {
|
|
49
|
+
|
|
50
|
+
func getImage() -> UIImage{
|
|
51
|
+
|
|
52
|
+
let rect = self.bounds
|
|
53
|
+
|
|
54
|
+
UIGraphicsBeginImageContextWithOptions(rect.size, false, 0.0)
|
|
55
|
+
let context: CGContext = UIGraphicsGetCurrentContext()!
|
|
56
|
+
|
|
57
|
+
self.layer.render(in: context)
|
|
58
|
+
|
|
59
|
+
let capturedImage : UIImage = UIGraphicsGetImageFromCurrentImageContext()!
|
|
60
|
+
|
|
61
|
+
UIGraphicsEndImageContext()
|
|
62
|
+
|
|
63
|
+
return capturedImage
|
|
64
|
+
}
|
|
65
|
+
}
|
|
66
|
+
```
|