Last active
December 3, 2021 08:00
-
-
Save hira22/b39594919cf516dbfe33f3b53cd804f3 to your computer and use it in GitHub Desktop.
SwiftUI TextEditor にプレースホルダーを設定する
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import SwiftUI | |
struct PlaceHolderTextEditor: View { | |
var placeholderText: String | |
@State var text: String | |
var body: some View { | |
ZStack(alignment: .topLeading) { | |
if text.isEmpty { | |
Text(placeholderText) | |
.foregroundColor(Color(UIColor.placeholderText)) | |
.padding(.leading, 5) | |
.padding(.top, 24) | |
} | |
TextEditor(text: $text) | |
.padding(.top) | |
} | |
.onAppear() { | |
//⚠️ NOTE: UITextView の backgroundColor を変更しておかないと、placeholderText が表示されない | |
UITextView.appearance().backgroundColor = .clear | |
} | |
.onDisappear() { | |
UITextView.appearance().backgroundColor = nil | |
} | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import SwiftUI | |
@main | |
struct PlaceHolderTextEditorSampleApp: App { | |
var body: some Scene { | |
WindowGroup { | |
PlaceHolderTextEditor(placeholderText: "Placeholder Text", text: "") | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment