I‘m currently playing around with SwiftUI. In SwiftUI it‘s possible, to animate a State change for example like so:
struct Foo: View {
@State private var show = false
var body: some View {
VStack {
if show {
Text("Foo")
}
Button(action: {
withAnimation {
self.show.toggle()
}
}) {
Text(show ? "Hide" : "Show")
}
}
}
}
But if I have for example a TextField:
struct Foo: View {
@State private var text = ""
var body: some View {
VStack {
TextField($text, placeholder: Text("Foo")) {
print("editing ended")
}
if !text.isEmpty {
Button(action: {}) {
Text("Done")
}
}
}
}
}
I‘m not able to find a way to animate this change, because the State property is changed by the TextField without a call to withAnimation().
Is it possible to get this change animated?
You can use CSS classes to animate in React import React, { useState } from 'react'; import classNames from 'classnames'; import styles from './App. module. css'; const App = () => { const [animate, setAnimate] = useState(false); const handleClick = () => setAnimate(!
Change the animation type from easeInOut to spring() . SwiftUI includes basic animations with predefined or custom easing, as well as spring and fluid animations. You can adjust an animation's speed, set a delay before an animation starts, or specify that an animation repeats.
Just add the animation modifier to wrap your button
var body: some View {
VStack {
TextField($text, placeholder: Text("Foo")) {
print("editing ended")
}
// if !text.isEmpty {
Button(action: {}) {
Text("Done")
}
.background(text.isEmpty ? Color.red : Color.yellow )
//.animation(.basic(duration: 1))
.animation(Animation.default.speed(1))
}
}
}
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