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December 15, 2020 14:10
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Get a snapshot or screenshot of visible UICollectionViewCell in UICollectionView - Swift 5.2
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| extension UICollectionView { | |
| // Snapshot of UICollectionView, wherever you scroll, it captures the visible cells on screen as an image | |
| func snapshot() -> UIImage? { | |
| UIGraphicsBeginImageContextWithOptions(self.frame.size, false, 0) | |
| UIGraphicsBeginImageContext(bounds.size) | |
| self.drawHierarchy(in: frame, afterScreenUpdates: true) | |
| let screenshot = UIGraphicsGetImageFromCurrentImageContext() | |
| UIGraphicsEndImageContext() | |
| return screenshot | |
| } | |
| } |
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UICollectionView滑动到哪里，就捕捉那一片的可视视图截屏