iOS(SwiftUI)
本文会引导您在 TUIKit SwiftUI 上创建群组。
开发环境要求
Xcode 15 及以上
iOS 15.0 及以上
前置条件
在构建界面之前,请确保您已经完成了以下 4 件事:
1. 在控制台创建了一个应用。
2. 在控制台创建了至少 2 个用户账号。
3. 集成了
TUIKit SwiftUI。4. 调用
LoginStore 的 login 接口登录组件。注意:
1. 每次启动应用,登录一次即可。
2. 请确保登录成功,我们建议您在登录成功的回调里进行下文的操作。
如果您已经完成,请继续阅读下文。
创建群组
TUIKit SwiftUI 中没有直接可用的创建群组视图,需要组合几个不同的视图,例如 UserPicker、ConfigGroupInfoView 等,可参考下文的示例代码实现。创建群组成功后,您可以向该群组发送消息。
注意,如果您直接使用我们的示例代码,需要预填充以下几个参数:
sdkAppID,上文获取的 sdkAppID。userID,操作者的 userID,也就是 快速开始 中创建的 user1。userSig,操作者的 userSig,也就是 快速开始 中创建的 user1 的 userSig。App 启动即加载创建群组选择联系人界面,示例代码如下所示:
// ContentView.swiftimport SwiftUIstruct ContentView: View {var body: some View {CreateGroupPage()}}// CreateGroupPage.swiftimport AtomicXimport AtomicXCoreimport SwiftUIpublic struct CreateGroupPage: View {@StateObject private var themeState = ThemeState.shared@State private var selectedUsers: [UserPickerItem] = []@State private var isLoggedIn = false@State private var isLoggingIn = true@State private var loginError: String? = nil@State private var showConfigSheet = false@State private var friendList: [ContactInfo] = []@State private var createdGroupID: String? = nilprivate let sdkAppID: Int32 = 1234567890 // TODO: Fill in your sdkAppID hereprivate let userID = "" // TODO: Fill in your userID hereprivate let userSig = "" // TODO: Fill in your generated userSig hereprivate let contactListStore = ContactListStore.create()public var body: some View {Group {if isLoggedIn {createGroupContentView} else if isLoggingIn {ProgressView("Logging in...")} else {VStack(spacing: 12) {Image(systemName: "exclamationmark.triangle").font(.system(size: 40)).foregroundColor(.orange)Text(loginError ?? "Login failed").foregroundColor(.secondary)}}}.environmentObject(themeState).onAppear {login()}}// MARK: - Create Group Contentprivate var createGroupContentView: some View {NavigationView {VStack(spacing: 0) {if let groupID = createdGroupID {// Group created successfullyVStack(spacing: 16) {Image(systemName: "checkmark.circle.fill").font(.system(size: 60)).foregroundColor(.green)Text("Group Created!").font(.system(size: 20, weight: .semibold))Text("Group ID: \(groupID)").font(.system(size: 15)).foregroundColor(.secondary)Button("Create Another Group") {createdGroupID = nil}.padding(.top, 8)}.padding()} else {// UserPicker for selecting group membersUserPicker(userList: userPickerItems,maxCount: 0,onSelectedChanged: { users inselectedUsers = usersshowConfigSheet = true})}}.navigationBarTitle("Create Group", displayMode: .inline)}.navigationViewStyle(StackNavigationViewStyle()).onAppear {contactListStore.fetchFriendList(completion: { _ in })}.onReceive(contactListStore.state.subscribe(StatePublisherSelector(keyPath: \ContactListState.friendList))) { newFriendList inself.friendList = newFriendList}.sheet(isPresented: $showConfigSheet, onDismiss: {selectedUsers = []}) {ConfigGroupInfoView(members: selectedUsers,contactListStore: contactListStore,onComplete: { groupID, groupName, conversationId inshowConfigSheet = falseif let gid = groupID {print(">>>>> Group created: groupID=\(gid), groupName=\(groupName ?? ""), conversationId=\(conversationId ?? "")")createdGroupID = gid}},onBack: {showConfigSheet = false})}}// MARK: - Helperprivate var userPickerItems: [UserPickerItem] {friendList.map { contact inUserPickerItem(userID: contact.contactID,avatarURL: contact.avatarURL,title: contact.title ?? contact.contactID)}}// MARK: - Loginprivate func login() {guard !userSig.isEmpty else {isLoggingIn = falseloginError = "userSig is empty. Please fill in a valid userSig."return}// Login is required when page appears.LoginStore.shared.login(sdkAppID: sdkAppID, userID: userID, userSig: userSig) { result inswitch result {case .success:print(">>>>> Login success, userID: \(userID)")isLoggedIn = trueisLoggingIn = falsecase .failure(let error):print(">>>>> Login failed: \(error.code), \(error.message)")loginError = "Login failed: \(error.code), \(error.message)"isLoggingIn = false}}}}
运行效果如下所示:
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