Initializer 'init(_:text:onEditingChanged:onCommit:)' requires that 'Binding<String>' conform to 'StringProtocol' が起こる < import SwiftUI struct ContentView: View { @State var text: String = "" var body: some View { HStack { TextField($text, placeholder: Text("type something here...")) Button(action: { // Closure will be called once user taps your button print(self.$text) }) { Text("SEND") } } } } struct ContentView_Previews: PreviewProvider { static var previews: some View { ContentView() } } Initializer 'init(_:text:onEditingChanged:onCommit:)' requires that 'Binding<String>' conform to 'StringProtocol' Extra argument 'placeholder' in call Swift

> Swift

WWDC 2019SwiftUIβSwiftUIβ`TextField`

SwiftUI


struct ContentView: View {
@State var text: String = ""

var body: some View {
HStack {
//# PlaceholdertextBinding
TextField("type something here...", text: $text)
Button(action: {
// Closure will be called once user taps your button
print(self.$text)
}) {
Text("SEND")
}
}
}
}