NavigationView 标题中的 SwiftUI 多行文本

Question

如何让这个标题多行？

我试过将标题文本设置为多行，甚至用 allowsThigtening(flag: Bool) 配置它，但是 none 这些选项有效。

当前代码在这里：

import SwiftUI

struct DistributionCentersView: View {
    var dcViewModel = DistributionCenterViewModel()
    @State private var pickedSelectedData = 0
    @State private var searchTerm = ""

    init() {
        //...

    }

    var body: some View {
        NavigationView {
            VStack {
                VStack {
                    Picker(selection: $pickedSelectedData, label: Text("")){
                        Text("All").tag(0)
                        Text("Nevial").tag(1)
                        Text("Net power").tag(2)
                    }.pickerStyle(SegmentedPickerStyle())
                        .foregroundColor(Color.white)
                        .background(Color(#colorLiteral(red: 0.03921568627, green: 0.03921568627, blue: 0.03921568627, alpha: 1)))
                    SearchBar(text: $searchTerm)
                }
                .padding(.leading, 16)
                .padding(.trailing, 16)
                .padding(.top, 34)

                List {
                    ForEach (dcViewModel.distribuitionCenters){ dc in
                        ZStack { 
                            DistributionCenterCell()
                                .listRowInsets(EdgeInsets(top: 0, leading: 0, bottom: 0, trailing: 0))
                            NavigationLink(destination: Text("Test")) {
                                EmptyView()
                            }.buttonStyle(PlainButtonStyle())
                        }// This optionm avoid tinting
                    }.listRowBackground(Color(#colorLiteral(red: 0.03921568627, green: 0.03921568627, blue: 0.03921568627, alpha: 1)))
                }
                .navigationBarTitle(Text(Constants.Distribution.text), displayMode: .large)//Desired multiline title
                .listStyle(GroupedListStyle())
                .navigationBarItems(leading: NavigationLink(destination: ProfileView()) { Image(Constants.NavImages.human).foregroundColor(Color.white)}, trailing: Image(Constants.NavImages.phone).foregroundColor(Color.white))
            }
            .background(Color(#colorLiteral(red: 0.03921568627, green: 0.03921568627, blue: 0.03921568627, alpha: 1)))
        }

    }
}

Answer 1

正如 Asperi 所说，默认情况下不可能有多行导航栏标题。因此，按照 Asperi 的建议，我隐藏了默认标题并设置了自定义 Text():

VStack(alignment: .leading) {
                    Text(Constants.Distribution.text)
                    .font(.system(size: 34, weight: .heavy))
                    .foregroundColor(Color.white)
                }

。 . .

.navigationBarTitle(Text(""), displayMode: .inline)

Answer 2

有关详细信息，请查看此 link

NavigationView {
    Text("Hello, SwiftUI!")
        .navigationBarTitleDisplayMode(.inline)
        .toolbar {
            ToolbarItem(placement: .principal) { 
                VStack {
                    Text("Title").font(.headline)
                    Text("Subtitle").font(.subheadline)
                }
            }
        }
}

NavigationView 标题中的 SwiftUI 多行文本

SwiftUI multiline text in a NavigationView Title

uinavigationcontroller

ios

swift

navigationview

swiftui