I have searchable properties in my project, everythings work, but it is looking bad when I search any items, it show "cancel" title inside of the search bar, how can I hide it?
.searchable(text: $searchText, placement: .navigationBarDrawer(displayMode: .always))
Selecting any option will automatically load the page
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I have IOS projets, it work but suddenly crash and throw error like "Thread 1: Fatal error: Unexpectedly found nil while unwrapping an Optional value" Why?
import Foundation
import AVFoundation
struct Video : Identifiable {
var id = UUID()
var player : AVPlayer
var user: User
}
struct User: Identifiable {
var id = UUID()
let userName: String
let userImage: String
}
struct MockData {
let videos: [Video] = [
Video(player: AVPlayer(url: URL(fileURLWithPath: Bundle.main.path(forResource: "reel_1", ofType: "mp4")!)),
user: User(userName: "cristiano", userImage: "user_9")),
Video(player: AVPlayer(url: URL(fileURLWithPath: Bundle.main.path(forResource: "reel_2", ofType: "mp4")!)),
user: User(userName: "mann_daar", userImage: "user_3")),
]
}
I want to put BookListView() on the content view but it throw error like "Cannot convert value of type 'AnyViewModel<BookListState, Never>.Type' to expected argument type 'AnyViewModel<BookListState, Never>'" Any idea?
BookListView:
import SwiftUI
struct BookListState {
var service: BookService
var books: [Book]
}
struct BookListView: View {
@ObservedObject var viewModel: AnyViewModel<BookListState, Never>
var body: some View {
NavigationView {
ScrollView {
VStack(alignment: .leading){
ForEach(viewModel.state.books) { book in
NavigationLink(destination: NavigationLazyView(BookDetailView(service: self.viewModel.state.service, bookId: book.id))) {
BookRow(book: book)
}
}
}
}
}
}
}
struct BookListView_Previews: PreviewProvider {
static var previews: some View {
let viewModel = AnyViewModel(BookListViewModel(service: MockBookService()))
return BookListView(viewModel: viewModel)
}
}
ContentView:
import SwiftUI
struct ContentView: View {
var body: some View {
BookListView(viewModel: viewModel)
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
I am have a problem in general in SwiftUI, when we click any items we are open new view, but bottom nav bar still not hide, why there is not any solution in SwiftUI still?
I have text button, and I want to use navigation link in this project, but it is not work when I click the button? Any idea?
@State var isLink = false
var body: some View {
GeometryReader { geometry in
ZStack {
NavigationLink(destination: SecondView(), isActive:
$isLink) {
Button() {
self.isLink = true
} label: {
Text("Button")
.padding()
.frame(width: 250, height: 50,
alignment: .center)
.foregroundColor(Color.white)
.background(Color("color"))
.clipShape(Capsule())
}}}}
I want to use many buttons like background have custom colors with grid view in swiftUI, is it possible? I know how to use grid layout for images, but I have confused to use for custom colors.
I have a project, after update it to swiftUI 3.0, it is throw an error for
.animation(.spring())
as animation' was deprecated in iOS 15.0: Use withAnimation or animation(_:value:) instead, any idea?
@Binding var display: Bool
private var background: some View {
Color.black
.fillParent()
.opacity(0.6)
.animation(.spring())
}
I have project in SwiftUI 2.0 but when I update to SwiftUI 3.0 it is throw an error for
windows
as a
windows' was deprecated in iOS 15.0: Use UIWindowScene.windows on a relevant window scene instead
any idea?
.padding(.top, UIApplication.shared.windows.first?.safeAreaInsets.top)
I have a problem when try to pass data from one view to another view, it is throw an error for
ImageDetails()
as a "Missing argument for parameter 'data' in call"
I do not know what I missed?
struct ImageModel: Identifiable, Hashable {
var id = UUID().uuidString
var name: String
}
var datas = [
ImageModel(name: "davis"),
]
struct ImageRowView: View {
var data: ImageModel
var body: some View {
NavigationLink(destination: ImageDetailsView(data: ImageModel)){
HStack{}
}}}
struct ImageDetailsView: View {
var body: some View {
ImageDetails()
}
}
struct ImageDetailsView_Previews: PreviewProvider {
static var previews: some View {
ImageDetailsView()
}
}
struct ImageDetails : View {
var data: ImageModel
var body: some View{
VStack{
Text(data.name)
}
}
I have simple chat app, and I want to use simple emoji in this chat app, my emoji is located in
EmojiView
an when I click the emoji button, I want to add in live chat, but I do not know how I will forward for it, I was look at many resources but I did not find any example on internet, is it possible to do it?
import SwiftUI
struct MessageDetailsView: View {
var body: some View {
HomeMessageDetails()}}
struct MessageDetailsView_Previews: PreviewProvider {
static var previews: some View {
MessageDetailsView()
}}
struct HomeMessageDetails : View {
@State var message = ""
@StateObject var allMessages = Messages()
@State private var emojiData = false
var body: some View{
ZStack {
VStack{
ScrollView(.vertical, showsIndicators: false, content: {
ScrollViewReader{reader in
VStack{
ForEach(allMessages.messages){message in
ChatBubble(message: message)
}
.onChange(of: allMessages.messages) { (value) in
if value.last!.chatMessages{
reader.scrollTo(value.last?.id)}}}
.padding([.horizontal,.bottom])}})
HStack {
HStack{
TextField("Message", text: self.$message)
Button(action: {
emojiData = true
}, label: {
Image("emoji")
}) .sheet(isPresented: $emojiData) {
EmojiView()
} }
.padding(.vertical, 10)
.padding(.horizontal)
Button(action: {
allMessages.messages.append(Message(id: Date(), message: message, chatMessages: true))
message = ""
}, label: {
Image("reply")
}) }
.padding(.horizontal)
}} }}
struct ChatBubble : View {
var message : Message
var body: some View{
HStack(alignment: .top,spacing: 10){
if message.chatMessages{
Text(message.message)
.foregroundColor(Color("black))
}
else{
Text(message.message)
.foregroundColor(.white) }}
.id(message.id)}}
struct Message : Identifiable,Equatable{
var id : Date
var message : String
var chatMessages : Bool
}
class Messages : ObservableObject{
@Published var messages : [Message] = []
init() {
let strings = ["Hii","Hello !!!!"]
for i in 0..<strings.count{
messages.append(Message(id: Date(), message: strings[i], chatMessages: i % 2 == 0 ? true : false))}}
func writeMessage(id: Date,message: String,chatMessages: Bool){
messages.append(Message(id: id, message: message, chatMessages: chatMessages))}}
struct EmojiView: View {
var body: some View {
Button(action: {
}, label: {
Image("smile_emoji")
}) }}
I ask this question before, it was answered but it is not work for many data, like when I click the any list items, all details pass name of "david", I want to pass data of user which I clicked, where I missed here?
struct ImageModel: Identifiable, Hashable {
var id = UUID().uuidString
var name: String
}
var datas = [
ImageModel(name: "davis"),
ImageModel(name: "carry"),
ImageModel(name: "maria"),
]
struct ImageRowView: View {
var data: ImageModel
var body: some View {
NavigationLink(destination: ImageDetailsView(data: ImageModel)){
HStack{}
}}}
struct ImageDetailsView: View {
var body: some View {
ImageDetails(data: ImageModel(name: "davis"))
}
}
struct ImageDetailsView_Previews: PreviewProvider {
static var previews: some View {
ImageDetailsView()
}
}
struct ImageDetails : View {
var data: ImageModel
var body: some View{
VStack{
Text(data.name)
}
}
I have small restaurans data in content view, but I want to use this data shortly inside of the homeview,
I am typing to use
@State var restaurants: [ Restaurant]
but in other view I have HomeView, it is throw an error like
Cannot convert value of type '[Restaurant].Type' to expected argument type '[Restaurant]'
for
HomeView( restaurants: [Restaurant])
line of code, I do not know what I missed? Any idea?
struct HomeView: View {
@State var restaurants = [ Restaurant(name: "Cafe Deadend", image: "cafedeadend"),
Restaurant(name: "Homei", image: "homei"),
Restaurant(name: "Teakha", image: "teakha"),
Restaurant(name: "Cafe Loisl", image: "cafeloisl"), ]
}
I have example of swiftUI project, and it is throw an error
as a "Value of type 'ContentView' has no member 'restaurants'" for
self.restaurants.remove(atOffsets: indexSet) }
line of code, I do not know what I missed, any idea?
import SwiftUI
struct ContentView: View {
@State private var selectedRestaurant: Restaurant?
var body: some View {
List {
ForEach(restaurants) { restaurant in
BasicImageRow(restaurant: restaurant)
.contextMenu {
Button(action: {
// mark the selected restaurant as check-in
self.checkIn(item: restaurant)
}) {
HStack {
Text("Check-in")
Image(systemName: "checkmark.seal.fill")
}
}
Button(action: {
// delete the selected restaurant
self.delete(item: restaurant)
}) {
HStack {
Text("Delete")
Image(systemName: "trash")
}
}
Button(action: {
// mark the selected restaurant as favorite
self.setFavorite(item: restaurant)
}) {
HStack {
Text("Favorite")
Image(systemName: "star")
}
}
}
.onTapGesture {
self.selectedRestaurant = restaurant
}
.actionSheet(item: self.$selectedRestaurant) { restaurant in
ActionSheet(title: Text("What do you want to do"), message: nil, buttons: [
.default(Text("Mark as Favorite"), action: {
self.setFavorite(item: restaurant)
}),
.destructive(Text("Delete"), action: {
self.delete(item: restaurant)
}),
.cancel()
])
}
}
.onDelete { (indexSet) in
self.restaurants.remove(atOffsets: indexSet)
}
}
}
private func delete(item restaurant: Restaurant) {
if let index = self.restaurants.firstIndex(where: { $0.id == restaurant.id }) {
self.restaurants.remove(at: index)
}
}
private func setFavorite(item restaurant: Restaurant) {
if let index = self.restaurants.firstIndex(where: { $0.id == restaurant.id }) {
self.restaurants[index].isFavorite.toggle()
}
}
private func checkIn(item restaurant: Restaurant) {
if let index = self.restaurants.firstIndex(where: { $0.id == restaurant.id }) {
self.restaurants[index].isCheckIn.toggle()
}
}
}
struct ContentView_Previews: PreviewProvider {
static var previews: some View {
ContentView()
}
}
struct BasicImageRow: View {
var restaurant: Restaurant
var body: some View {
HStack {
Image(restaurant.image)
.resizable()
.frame(width: 40, height: 40)
.cornerRadius(5)
Text(restaurant.name)
if restaurant.isCheckIn {
Image(systemName: "checkmark.seal.fill")
.foregroundColor(.red)
}
if restaurant.isFavorite {
Spacer()
Image(systemName: "star.fill")
.foregroundColor(.yellow)
}
}
}
}
model:
struct Restaurant: Identifiable {
var id = UUID()
var name: String
var image: String
var isFavorite: Bool = false
var isCheckIn: Bool = false
}
var restaurants = [ Restaurant(name: "Cafe Deadend", image: "cafedeadend"),
Restaurant(name: "Homei", image: "homei"),
Restaurant(name: "Teakha", image: "teakha"),
Restaurant(name: "Cafe Loisl", image: "cafeloisl"),
]
I have a simple app in SwiftUI, and I try to delete list items in app , project is working, but still list items not able to delete, I do not know what I did not put in my codes, any idea will be appreciated.
struct MyView: View {
@State private var selectedUsers: MyModel?
var body: some View {
ScrollView(.vertical, showsIndicators: false, content: {
VStack(content: {
ForEach(datas){ data in
MyRowView(data: data)
.contextMenu {
Button(action: {
self.delete(item: data)
}) {
Text("delete")
}
}
.onTapGesture {
selectedUsers = data
}
} .onDelete { (indexSet) in
selectedUsers.remove(atOffsets: indexSet)
}})
})}
private func delete(item data: MyModel) {
if let index = datas.firstIndex(where: { $0.id == data.id }) {
datas.remove(at: index)
}
}}
model:
struct MyModel: Identifiable, Hashable, Codable {
var id = UUID().uuidString
var name: String
}
var datas = [
MyModel(name: "david"),
MyModel(name: "marry"),
]
I am searching for a long time, how we can use custom emoji in SwiftUI, for a chat app, there is some example on internet but they are not for custom emoji, is it possible in SwiftUI?