Implementing image comparison view in 20 minutes
Read OriginalThis article provides a step-by-step guide to building an image comparison view similar to Kaleidoscope's split feature for iOS. It details using two stacked UIImageViews, a CAShapeLayer mask in the shape of a triangle, and a pan gesture recognizer to dynamically adjust the mask. Code examples cover path calculation, gesture handling, and adding snapping behavior with CoreAnimation for a polished user interface.
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