Diagnosing android.graphics.Rect Issues in Android Views
Fix zero-width Rects, false contains() results, and missed intersections by checking coordinate order, layout timing, and coordinate space.
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Fix zero-width Rects, false contains() results, and missed intersections by checking coordinate order, layout timing, and coordinate space.
Learn how to combine clipping regions in Android custom views using Rect.union, with a worked example and the overflow and normalization risks to watch for.
android