iOS SwiftUI 自己动手做个图片与照片选择器Picker 看看效果 用到工具 enum 枚举类型 @Binding 视图的.onTapGesture修饰器 图片剪裁 图片边框 实现步骤 1、 用...
enum 枚举类型 @Binding 视图的.onTapGesture修饰器 图片剪裁 图片边框 实现步骤 1、 用enum类型管理颜色 enum PickedColor: CaseIterable { case black, blue, green, orange, red, yellow var color: Color { return Color(uiColor) } var uiColor: UIColor { switch self { case .black: return UIColor...
How to create SwiftUI Picker from Enum To create a SwiftUI picker with Enum, your enum should conform to three protocols. CaseIterable. Identifiable. CustomStringConvertible. Let's say we want to allow users to set their preferences on "auto-join hotspot". And we create an enum of available...
Creating a Picker in SwiftUI For this article, we’re going to make use of the following enum: enum AppTheme: String, CaseIterable, Identifiable { case light = "Light" case dark = "Dark" case system = "System Default" var id: String { self.rawValue } } This enum illustrates a scen...
此外,该枚举有两个属性,一个返回UIFont权重,另一个返回 SwiftUI Font 权重。通过这种方式,我们只需向FlexiblePicker提供FontWeight枚举的特定情况。 enumFontWeight{caselight// the rest of possible casesvarswiftUIFontWeight:Font.Weight{switchself{case.light:return.light// switching through the rest of possib...
1, step: 0.01) } Section(header: Text("Theme")) { Picker("Select Theme", selection: $theme) { Text("Light").tag(Theme.light) Text("Dark").tag(Theme.dark) } } } .navigationTitle("Settings") } } } enum Theme: Identifiable { case light, dark var id: Theme { self } } 在...
SwiftUI SegmentedPicker是一种用户界面控件,用于在iOS、macOS和watchOS应用程序中创建分段选择器。它允许用户从预定义的选项中选择一个值。 自定义SwiftUI SegmentedPicker的方法如下: 创建一个枚举类型,用于定义分段选择器的选项。例如: 代码语言:txt 复制 enum PickerOption: String, CaseIterable { case option1 case...
此外,该枚举有两个属性,一个返回UIFont权重,另一个返回 SwiftUI Font 权重。通过这种方式,我们只需向FlexiblePicker提供FontWeight枚举的特定情况。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 enumFontWeight{caselight// the rest of possible casesvarswiftUIFontWeight:Font.Weight{switchself{case.light...
此外,该枚举有两个属性,一个返回 UIFont 权重,另一个返回 SwiftUI Font 权重。通过这种方式,我们只需向 FlexiblePicker 提供 FontWeight 枚举的特定情况。 复制 enum FontWeight { case light // the rest of possible cases var swiftUIFontWeight: Font.Weight { ...
import SwiftUI enum CYCoverLocationType: String, CaseIterable, Identifiable{ case eye case face var id: String { self.rawValue } } struct SwiftUIView: View { var coverLocationTypes = ["Eye","Face"] @State private var coverLocationType = CoverLocationType.eye var body: some View { HSta...