README.md

Examples for MatchedGeometryEffect

This demo project demonstrates different use cases for matched geometry effect in SwiftUI.

matchedGeometryEffect(id:in:properties:anchor :isSource:)

Important:

• only use one view with isSource is true (for the same id)
• does not work with NavigationView (transition to detail) or sheets, popover etc.

Youtube tutorials

This is the sample project that I develope during a mini-series on Youtube. You can learn how to write this code at:

• Part 1 The basics https://youtu.be/oy30a4zTdCs
• Part 2 Hero animations https://youtu.be/EkjY0TLDLas
• Part 3 Animating Pickers https://youtu.be/sqrW8RGtn40

animation of layout changes

example: switch between HStack and VStack depending on device orientation in AdaptiveCatView

Hero animation

in CatCollectionView

Pickers with one selected element

Files:

• left example: in CirclePicker
• middle example: in SliderPicker
• right example: in CalenderView, original from SwiftUI-lab https://swiftui-lab.com/matchedgeometryeffect-part2/

Pickers with multiple selected elements

in EmojiPicker: multiple items selected with Hero Animation