Is UIView (mostly) visible
📰 Dev.to · Kunal Kamble
Learn to check if a UIView is mostly visible to the user in iOS development
Action Steps
- Check the view's frame and bounds using UIView's frame and bounds properties
- Compare the view's frame with the superview's bounds to determine visibility
- Use the CGRectIntersection function to calculate the intersection of the view's frame and the superview's bounds
- Calculate the visible area of the view by checking the intersection's size
- Apply a threshold to determine if the view is mostly visible
Who Needs to Know This
iOS developers and designers can benefit from this knowledge to improve user experience and optimize app performance
Key Insight
💡 Use CGRectIntersection to calculate the visible area of a UIView and determine if it's mostly visible
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Key Takeaways
Learn to check if a UIView is mostly visible to the user in iOS development
Full Article
If you've ever needed to check whether a view is visible to the user, you might have used the...
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