我有以下視圖結構，并且在我第一次單擊并禁用按鈕時遇到了按鈕作業的問題，但是一旦我單擊了一個按鈕，它就不適用于其他按鈕。該專案始終是正確的，我通過列印出來進行了檢查。
我的ReelsView：
struct ReelsView: View {
@State var currentReel = ""
@State var items: [Item] = [
Item(chance: "1:1m", tradeIn: 2000, name: "Apple Watch", price: "$200", rarityType: "common", description: "The Apple Watch", reel: Reel(player: AVPlayer(url: URL(fileURLWithPath: Bundle.main.path(forResource: "apple-watch", ofType: "mp4") ?? "")), bid: false)),
Item(chance: "1:20m", tradeIn: 27500, name: "Ibiza vacation", price: "$2750,00", rarityType: "superRare", description: "Such a wonderful place for a vacation", reel: Reel(player: AVPlayer(url: URL(fileURLWithPath: Bundle.main.path(forResource: "ibiza", ofType: "mp4") ?? "")), bid: false)),
]
var body: some View {
TabView(selection: $currentReel) {
ForEach($items) { $reel in
ReelsPlayer(reel: $reel.reel, currentReel: $currentReel, item: $reel)
.tag(reel.reel.id)
}
}
}
}
我的ReelsPlayer：
struct ReelsPlayer: View {
@Binding var reel: Reel
@Binding var currentReel: String
@Binding var item: Item
var body: some View {
ZStack {
if let player = reel.player {
CustomVideoPlayer(player: player)
.allowsHitTesting(false)
}
}
.overlay {
BottomOverlay(item: $item)
.allowsHitTesting(true)
}
}
}
我的BottomOverlay：
struct BottomOverlay: View {
@Binding var item: Item
var body: some View {
Button() {
item.reel.bid.toggle()
print("item: ", item)
print("item: ", $item)
} label: {
Text(item.reel.bid ? "Already Bid" : "Bid")
}
}
}
struct Reel: Identifiable {
var id = UUID().uuidString
var player: AVPlayer
var bid: Bool
}
struct Item: Identifiable, Hashable {
static func == (lhs: Item, rhs: Item) -> Bool {
lhs.id == rhs.id
}
func hash(into hasher: inout Hasher) {
hasher.combine(chance)
hasher.combine(name)
hasher.combine(price)
hasher.combine(tradeIn)
hasher.combine(rarityType)
hasher.combine(description)
}
var id: String = UUID().uuidString
var chance: String
var tradeIn: Int
var name: String
var price: String
var rarityType: String
var description: String
var reel: Reel
}
uj5u.com熱心網友回復：
這是我在測驗中使用的代碼，用于顯示兩個按鈕分別起作用。單擊一個，它會列印專案 ID 和狀態。單擊另一個，與該專案相同。如果您取消注釋.disabled(item.clicked)，則它只能作業一次，因為 Button（用于該專案）現在已禁用。
struct Item: Identifiable {
let id = UUID()
var name: String
var clicked: Bool
}
struct ContentView: View {
var body: some View {
MainView()
}
}
struct MainView: View {
@State var items: [Item] = [Item(name: "item1", clicked: false),Item(name: "item2", clicked: false)]
var body: some View {
ForEach($items) { $item in
ItemView(item: $item)
}
}
}
struct ItemView: View {
@Binding var item: Item
var body: some View {
VStack {
Color.green
}.overlay {
OverlayView(item: $item)
}
}
}
struct OverlayView: View {
@Binding var item: Item
var body: some View {
VStack (spacing: 33){
Button() {
item.clicked.toggle()
print("--> item.id: \(item) item.clicked: \(item.clicked)")
} label: {
Text(item.name)
}//.disabled(item.clicked)
// Button() {
// item.clicked.toggle()
// } label: {
// Text("enable again")
// }
}
}
}
EDIT-1：鑒于您的新代碼。試試這個示例代碼，對我來說效果很好
import Foundation
import SwiftUI
import UIKit
import AVFoundation
import AVKit
struct ContentView: View {
var body: some View {
ReelsView()
}
}
struct ReelsView: View {
@State var currentReel = ""
@State var items: [Item] = [
Item(chance: "1:1m", tradeIn: 2000, name: "Apple Watch", price: "$200", rarityType: "common", description: "The Apple Watch", reel: Reel(player: AVPlayer(url: URL(fileURLWithPath: Bundle.main.path(forResource: "apple-watch", ofType: "mp4") ?? "")), bid: false)),
Item(chance: "1:20m", tradeIn: 27500, name: "Ibiza vacation", price: "$2750,00", rarityType: "superRare", description: "Such a wonderful place for a vacation", reel: Reel(player: AVPlayer(url: URL(fileURLWithPath: Bundle.main.path(forResource: "ibiza", ofType: "mp4") ?? "")), bid: false)),
]
var body: some View {
TabView(selection: $currentReel) {
ForEach($items) { $item in
ReelsPlayer(currentReel: $currentReel, item: $item) // <-- here
.tag(item.reel.id)
}
}.tabViewStyle(.page) // <-- here
}
}
struct ReelsPlayer: View {
@Binding var currentReel: String
@Binding var item: Item // <-- here
var body: some View {
ZStack {
if let player = item.reel.player { // <-- here
// CustomVideoPlayer(player: player)
// for testing
VStack {
if item.name == "Apple Watch" { Color.yellow } else { Color.green }
}
.allowsHitTesting(false)
}
}
.overlay {
BottomOverlay(item: $item)
.allowsHitTesting(true)
}
}
}
struct BottomOverlay: View {
@Binding var item: Item
var body: some View {
Button() {
item.reel.bid.toggle()
print("----> BottomOverlay item.reel.bid: ", item.reel.bid) // <-- here
} label: {
Text(item.reel.bid ? "Already Bid" : "Bid")
}
}
}
struct Reel: Identifiable, Hashable { // <-- here
var id = UUID().uuidString
var player: AVPlayer
var bid: Bool
}
struct Item: Identifiable, Hashable { // <-- here
var id: String = UUID().uuidString
var chance: String
var tradeIn: Int
var name: String
var price: String
var rarityType: String
var description: String
var reel: Reel
}
轉載請註明出處，本文鏈接：https://www.uj5u.com/gongcheng/529558.html
標籤：迅速迅捷
上一篇：如何使用swift找出最小的負數