# Swift Animation Mastery

- [Triggers](/ios/master/todo/tutorials/swift-animation-mastery/triggers.md)
- [example ⟩ Picker](/ios/master/todo/tutorials/swift-animation-mastery/triggers/picker.md)
- [example ⟩ SubButtons](/ios/master/todo/tutorials/swift-animation-mastery/triggers/button.md): Button 可以改變 @State 變數，觸發 view 的更新。
