[Swift | iOS] SwiftUI Annotations
// UploadPostView.Swift
Button.sheet(isPresented, onDismiss, content)
Method to present modal view. This method waiting until @State
variable for isPresented
is changed. If modal was dismissed, execute the method for onDismiss
.Then the
@State
var is no longer nil
, hit the else
block, and we upwrap the selected image.@State, @Binding
how to link one variable between two files
// UploadPost/UploadPostView.swift
@State private car selectedImage: UIImage?
Create a state variable in the parent view// Utils/ImagePicker.swift
@Binding var image: UIImage?
Create a binding variable in the view that doing another stuff.@EnvironmentObject
It's shared data that every view can read if they want to.
ユーザーログイン情報の保守
ObservedOject
Published
Reference
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