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Last updated: 2024-09-27 11:38:55

    Description of the Feature

    The Interactive Gift Component is a virtual gift interaction platform designed to add more fun to users' social experiences. With this component, users can send virtual gifts to their favorite live streamers to express their appreciation, love, and support. The Interactive Gift Component supports settings for gift materials, balance display, normal gift playback and full-screen gift playback, recharge button, etc. The feature of interactive gifts has been implemented in TUILiveKit through Chat.

    Use Instructions

    Gift Effect

    Gift Display Panel
    Normal Gift Playback Effect
    Full-Screen Gift Playback Effect
    
    
    
    
    
    
    
    

    Gift System

    Gift System Architecture Diagram
    Gift System Sequence Diagram
    
    
    
    
    
    
    Non-persistent connection requests from the client are sent to its own business server, involving gift billing logic.
    1. After billing, the sender directly sees that XXX sent a gift to XXX (to ensure the sender sees their own sent gift. When the message volume is large, it may trigger an abandonment strategy).
    2. After the fees are settled, call GiftListView.sendGift to send the gift message.

    Feature Customization

    Customizable Gifts Backend Logic

    If you need custom backend services for gifts, please refer to the following path for modifications.
    // File Location: iOS/TUILiveKit/Source/Common/UIComponent/Gift
    
    GiftCloudServer // Custom Gifts Backend Services Directory
    ├── CloudServerConfig.swift // Service Layer Data Source for Gift Component
    ├── GiftCloudServer.swift // Default implementation class, interacting with the gift backend, responsible for verifying balance, settlement, statistics, etc. Custom implementation is recommended for clients
    └── IGiftCloudServer.swift // Gift backend service interface

    Custom Gift Panel View

    If you need a custom gift panel view, please refer to the following path for modifications.
    // File Location: iOS/TUILiveKit/Source/Common/UIComponent
    
    Gift
    ├── TUIGiftListView.swift // Gift Panel View
    ├── TUIGiftPlayView.swift // Gift Playback View
    └── View // View Layer Directory of Gift Component
    └── Views // Custom Category Directory of Gift Component
    ├── TUIGiftBulletView.swift // General Gift Playback Category of Gift Component
    ├── TUIGiftCell.swift // Customizable Gift Cell of Gift Component
    ├── TUIGiftSideslipLayout.swift // Custom Layout Class of Gift Component
    └── TUIGiftView.swift // Gift Display View Class of Gift Component
    

    Custom Gift List

    Modify the gift list of the Audience Gift Panel:
    // File Location: iOS/TUILiveKit/Source/Common/UIComponent/Gift/Store/TUIGiftStore.swift
    
    class TUIGiftStore {
    static let shared = TUIGiftStore()
    private init() {
    giftCloudServer.queryGiftInfoList { [weak self] error, giftList in
    guard let self = self else { return }
    if error == .noError {
    self.giftList = giftList
    }
    }
    }
    var giftList: [TUIGift] = []
    let giftCloudServer: IGiftCloudServer = GiftCloudServer()
    }
    
    
    // File Location: iOS/TUILiveKit/Source/View/LiveRoom/View/Audience/AudienceView.swift
    func getRouteView(route: Route) -> UIView? {
    if route == .giftView {
    giftPanelView.setGiftList(TUIGiftStore.shared.giftList)
    return giftPanelView
    }
    else {
    return nil
    }
    }
    Note:
    The client implements the logic of giftCloudServer.queryGiftInfoList to get a custom gift list List<TUIGift>, and sets the gift list via GiftListView.setGiftList.
    The animationUrl of the gift requires an SVGA animation

    Customizable gift balance recharge

    // File Location: iOS/TUILiveKit/Source/View/LiveRoom/View/Audience/AudienceView.swift
    
    lazy var giftPanelView: TUIGiftListView = {
    let view = TUIGiftListView(groupId: roomId)
    view.delegate = self
    TUIGiftStore.shared.giftCloudServer.queryBalance { error, balance in
    if error == .noError {
    view.setBalance(balance)
    }
    }
    return view
    }()
    
    Note:
    Clients need to implement the logic of giftCloudServer.queryBalance to get the gift balance and update the balance through GiftListView.setBalance.

    Customizable gift consumption logic

    // File Location: iOS/TUILiveKit/Source/View/LiveRoom/View/Audience/AudienceView.swift
    
    func onSendGift(giftListView view: TUIGiftListView, giftModel: TUIGift, giftCount: Int) {
    let anchorInfo = store.selectCurrent(RoomSelectors.getRoomOwnerInfo)
    let receiver = TUIGiftUser()
    receiver.userId = anchorInfo.userId
    receiver.userName = anchorInfo.name
    receiver.avatarUrl = anchorInfo.avatarUrl
    receiver.level = "0"
    
    let selfInfo = store.selectCurrent(UserSelectors.getSelfInfo)
    TUIGiftStore.shared.giftCloudServer.sendGift(sender: selfInfo.userId,
    receiver: receiver.userId,
    giftModel: giftModel,
    giftCount: giftCount) { [weak self] error, balance in
    guard let self = self else { return }
    if error == .noError {
    view.sendGift(giftModel: giftModel, giftCount: giftCount, receiver: receiver)
    view.setBalance(balance)
    } else {
    let toastInfo = ToastInfo(message: .balanceInsufficientText)
    store.dispatch(action: ViewActions.toastEvent(payload: toastInfo))
    }
    }
    }
    Note:
    Clients need to implement the logic of giftCloudServer.sendGift. The main process is to first connect to the client’s business server for balance verification. After verification, the server performs billing and records the consumption. Finally, it calls back the result to the client. Upon receiving the successful callback, the client sends the gift message through GiftListView's sendGift and updates the gift balance via setBalance.

    Customizable loading and playing of gift animations

    // File Location:
    // iOS/TUILiveKit/Source/View/LiveRoom/View/Audience/Component/AudienceLiving.swift
    // iOS/TUILiveKit/Source/View/LiveRoom/View/Anchor/LivingView/AnchorLivingView.swift
    
    func giftPlayView(_ giftPlayView: TUIGiftPlayView, onPlayGiftAnimation gift: TUIGift) {
    guard let url = URL(string: gift.animationUrl) else { return }
    giftCacheService.request(withURL: url) { error, fileUrl in
    if error == 0 {
    DispatchQueue.main.async {
    giftPlayView.playGiftAnimation(playUrl: fileUrl)
    }
    }
    }
    }
    Note:
    Clients need to implement the logic of giftCacheService.request. After successfully loading the animation, get the fileUrl (String type) and play the gift animation through TUIGiftPlayView's playGiftAnimation.

    Key code

    Quick Integration

    The gift component mainly provides 2 APIs:
    TUIGiftListView: Gift Panel, presents the gift list, sends gifts, and recharges.
    TUIGiftPlayView: Panel for playing gifts, automatically listens to gift messages.

    Set gift materials

    The gift panel component TUIGiftListView provides the setGiftList interface, which can be used to set gift materials.
    let view = TUIGiftListView(groupId: roomId) // Create gift panel object
    let giftList:[TUIGift] = [] // Replace this with your own gift materials array
    giftList.setGiftList(giftList) // Set the materials for the gift panel
    Note:
    The parameters and description of TUIGift are as follows:
    giftId: String: Gift ID
    giftName: String: Gift Name
    imageUrl: String: Image displayed on the gift panel
    animationUrl: String: SVGA Animation URL
    price: int: Gift Price
    extInfo: <String, AnyCodable>: Custom extension information.
    The Interactive Gift Component supports setting your own gift media. If animationUrl is empty, the gift playback effect is standard, and the content played is the image linked by imageUrl; if animationUrl is not empty, the playback effect is full-screen, and the content played is the corresponding svga animation.

    Gift Sending and Receiving

    
    
    

    Send Gift

    Implement the callback TUIGiftListView delegate TUIGiftListViewDelegate in onSendGift:giftListView:gift:giftCount to get the gift count and gift information. After pre-processing, you can call the TUIGiftListView 's sendGift function for the actual gift sending.
    func onSendGift(giftListView view: TUIGiftListView, giftModel: TUIGift, giftCount: Int) {
    //...Here is the pre-processing, such as verifying the current user's balance, etc
    let receiver = TUIGiftUser()
    //...Here set the gift recipient information
    view.sendGift(giftModel: giftModel, giftCount: giftCount, receiver: receiver)
    }

    Receive gift

    The gift display component TUIGiftPlayView itself will receive and play gift messages.
    let giftPlayView = TUIGiftPlayView(groupId: roomId)
    Note:
    TUIGiftPlayView needs full-screen integration
    If you need to obtain callback information for receiving gifts, you can implement the TUIGiftPlayView delegate TUIGiftPlayViewDelegate function giftPlayView:onReceiveGift:gift:giftCount:sender:receiver.
    func giftPlayView(_ giftPlayView: TUIGiftPlayView, onReceiveGift gift: TUIGift, giftCount: Int, sender: TUIGiftUser, receiver: TUIGiftUser) {
    // Custom Processing
    }

    Play gift animation

    It is required to actively call TUIGiftPlayView 's playGiftAnimation to play the animation. The appropriate time to call is upon receiving the TUIGiftPlayViewDelegate's giftPlayView:onPlayGiftAnimation callback.
    func giftPlayView(_ giftPlayView: TUIGiftPlayView, onPlayGiftAnimation gift: TUIGift) {
    giftPlayView.playGiftAnimation(playUrl: fileUrl)
    }
    
    Note:
    Only SVGA animation is supported.

    Set balance

    The gift panel component TUIGiftListView provides the setBalance interface, which can be used to set the balance value displayed on the gift panel.
    giftListView.setBalance(xxx);

    Recharge

    Implement the delegate TUIGiftListViewDelegate in TUIGiftListView, the onRecharge:view callback can be used to receive the recharge button click event thrown by the gift display panel, where you can integrate your own recharge system.
    func onRecharge(giftListView view: TUIGiftListView) {
    //...go to recharge
    //Set the latest balance view.setBalance(balance)
    }
    Note:
    Gift balance is a virtual currency concept, not real money.
    The gift recharge logic is implemented externally. Customers can integrate their own recharge systems. After recharging, the gift balance is updated.

    Billing Statistics

    Implement the TUIGiftListView delegate TUIGiftListViewDelegate callback onSendGift:view:giftModel:giftCount to connect to the customer's own business server. After completing balance verification, gift billing, and consumption statistics, call TUIGiftListView 's sendGift to send the gift message.
    func onSendGift(giftListView view: TUIGiftListView, giftModel: TUIGift, giftCount: Int) {
    //... Here, connect to the customer's own business server to complete balance verification, gift billing, consumption statistics, etc
    let receiver = TUIGiftUser()
    //...Here set the gift recipient information
    view.sendGift(giftModel: giftModel, giftCount: giftCount, receiver: receiver)
    }
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