Binding 无法转换类型为';Int?&x27;到预期的参数类型';装订<;Int>';迅捷
我创建了一个circularprogress视图,以便能够根据步骤数据显示进度条。但由于某些原因,我无法访问stepView文件中的step.count 这是我的StepViewBinding 无法转换类型为';Int?&x27;到预期的参数类型';装订<;Int>';迅捷,binding,swiftui,Binding,Swiftui,我创建了一个circularprogress视图,以便能够根据步骤数据显示进度条。但由于某些原因,我无法访问stepView文件中的step.count 这是我的StepView struct StepView: View { private var healthStore: HealthStore? @State private var presentClipboardView = true @State private var step
struct StepView: View {
private var healthStore: HealthStore?
@State private var presentClipboardView = true
@State private var steps: [Step] = [Step]()
init() {
healthStore = HealthStore()
}
private func updateUIFromStatistics(_ statisticsCollection: HKStatisticsCollection) {
let now = Date()
let startOfDay = Calendar.current.startOfDay(for: now)
statisticsCollection.enumerateStatistics(from: startOfDay, to: now) { (statistics, stop) in
let count = statistics.sumQuantity()?.doubleValue(for: .count())
let step = Step(count: Int(count ?? 0), date: statistics.startDate, wc: Double(count ?? 0 / 1000 ))
steps.append(step)
}
}
var body: some View {
VStack {
ForEach(steps, id: \.id) { step in
VStack {
HStack{
Text("WC")
Text("\(step.wc)")
}
HStack {
Text("\(step.count ?? 0)")
Text("Total Steps")
}
Text(step.date, style: .date)
.opacity(0.5)
CircularProgress(steps: step.count) //ERROR
Spacer()
}
}
.navigationBarBackButtonHidden(true)
}
.onAppear() {
if let healthStore = healthStore {
healthStore.requestAuthorization { (success) in
if success {
healthStore.calculateSteps { (statisticsCollection) in
if let statisticsCollection = statisticsCollection {
updateUIFromStatistics(statisticsCollection)
}
}
}
}
}
}
.onDisappear() {
self.presentClipboardView.toggle()
}
}
}
这是我的circularprogress观点
struct CircularProgress: View {
var steps: Binding<Int>
var body: some View {
ZStack {
Color.progressBarColor
.edgesIgnoringSafeArea(.all)
VStack {
ZStack {
Label()
Outline(steps: steps)
}
}
}
}
}
struct Label: View {
var percentage: CGFloat = 20
var body : some View {
ZStack {
Text(String(format: "%.0f", percentage))
.font(Font.custom("SFCompactDisplay-Bold", size: 56))
}
}
}
struct Outline: View {
var steps: Binding<Int>
var percentage: CGFloat = 20
var colors : [Color] = [Color.trackProgressBarColor]
var body: some View {
ZStack {
Circle()
.fill(Color.clear)
.frame(width: 250, height: 250)
.overlay(
Circle()
.trim(from: 0, to: percentage * 0.01)
.stroke(style: StrokeStyle(lineWidth: 20, lineCap: .round, lineJoin: .round))
.fill(AngularGradient(gradient: .init(colors: colors), center: .center, startAngle: .zero, endAngle: .init(degrees: 360)))
).animation(.spring(response: 2.0, dampingFraction: 1.0, blendDuration: 1.0))
}
}
}
struct CircularProgress:视图{
var步骤:绑定
var body:一些观点{
ZStack{
颜色
.edgesIgnoringSafeArea(.all)
VStack{
ZStack{
标签()
大纲(步骤:步骤)
}
}
}
}
}
结构标签:视图{
风险值百分比:CGFloat=20
var body:一些观点{
ZStack{
文本(字符串(格式:“%.0f”,百分比))
.font(font.custom(“SFCompactDisplay Bold”,大小:56))
}
}
}
结构大纲:视图{
var步骤:绑定
风险值百分比:CGFloat=20
变量颜色:[Color]=[Color.trackProgressBarColor]
var body:一些观点{
ZStack{
圈()
.填充(颜色.透明)
.框架(宽度:250,高度:250)
.覆盖(
圈()
.修剪(从:0到:百分比*0.01)
.stroke(样式:StrokeStyle(线宽:20,线帽:。圆形,线连接:。圆形))
.fill(角度梯度(梯度:.init(颜色:颜色),中心:.center,星形缠结:.zero,端角:.init(度:360)))
).animation(.spring(响应:2.0,阻尼分数:1.0,混合持续时间:1.0))
}
}
}
在stepview中调用CIRCULARPROGRESS时,我在stepview中遇到此错误。我想我试图以错误的方式获取数据。我不认为有必要在这里绑定,所以只需将相应的位置替换为简单的
Int
:
struct CircularProgress: View {
var steps: Int
及
struct Outline: View {
var steps: Int