Live Chat

Description of the Feature
The interactive barrage feature is a crucial real-time communication tool, supporting various interactive methods. Users can input emojis in the barrage to enhance the entertainment value of messages, making the interactive experience more enjoyable and vivid. Through this feature, the audience can engage in richer communication with anchors and other viewers during live streaming, boosting the overall sense of participation and fun. The TUILiveKit has already implemented the interactive barrage feature through Chat.
Use Instructions
Display Barrage
Send Barrage
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Note:
1. Supports switching between System Keyboard and Emoji Keyboard.
2. To respect the copyright of emoji designs, the TUILiveKit project does not include large emoji elements. Before the official commercial launch, please replace them with your own designed or copyrighted emoji packs. The default  Little Yellow Face Emoji Pack  shown below is copyrighted by Tencent Cloud and can be licensed for a fee. If you need authorization, please  submit a ticket  to contact us.
    
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Feature Customization
Custom barrage message style from Definition
There are two styles of Danmaku messages: Ordinary Danmaku Message Style and Gift Sending Echo Message Style.
If you need to define the Ordinary Danmaku Message Style, please refer to the following path for changes:
// File Location: iOS/TUILiveKit/Source/Common/UIComponent/Barrage/View/Cell/TUIBarrageCell.swift
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class TUIBarrageDefaultCell: UIView {
    // Ordinary Danmaku Message Style
    ...
    func constructViewHierarchy() {
        // View Hierarchy Construction
    }
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    func activateConstraints() {
        // View Layout
    }
}
If you need to modify the Gift Sending Echo Message Style, please refer to the following path for changes:
// File Location: iOS/TUILiveKit/Source/Common/UIComponent/Gift/View/CustomBarrageCell.swift
class CustomBarrageCell {
    static func getCustomCell(barrage: TUIBarrage) -> UIView {
    // Returns the UI style for gift echo messages
    }
}
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TUIBarrage Definition is as follows:
// File Location:
// iOS/TUILiveKit/Source/Common/UIComponent/Barrage/Model/TUIBarrage.swift
// iOS/TUILiveKit/Source/Common/UIComponent/Barrage/Model/TUIBarrageUser.swift
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class TUIBarrage: Codable{
    var user: TUIBarrageUser
    var content: String
    var extInfo: [String: AnyCodable]
}
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class TUIBarrageUser: Codable {
    var userId: String
    var userName: String
    var avatarUrl: String
    var level: String
}
Insert custom messages
The barrage display component TUIBarrageDisplayView provides the  insertBarrages interface method for (batch) inserting custom Definition messages. Typically, custom Definition messages combined with custom styles achieve unique display effects.
// File Location:
// iOS/TUILiveKit/Source/View/LiveRoom/View/Anchor/LivingView.swift
// iOS/TUILiveKit/Source/View/LiveRoom/View/Anchor/AudienceLivingView.swift
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// Example: Inserting a gift message in the barrage area
let barrage = TUIBarrage()
barrage.content = "gift"
barrage.user.userId = sender.userId
barrage.user.userName = sender.userName
barrage.user.avatarUrl = sender.avatarUrl
barrage.user.level = sender.level
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barrage.extInfo["TYPE"] = AnyCodable("GIFTMESSAGE")
barrage.extInfo["gift_name"] = AnyCodable(gift.giftName)
barrage.extInfo["gift_count"] = AnyCodable(giftCount)
barrage.extInfo["gift_icon_url"] = AnyCodable(gift.imageUrl)
barrage.extInfo["gift_receiver_username"] = AnyCodable(receiver.userName)
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barrageDisplayView.insertBarrages([barrage])
Note:
TUIBarrage's extInfo is a Map, used to store custom data.
Key code
Quick Integration
The barrage component mainly provides 2 APIs:
TUIBarrageButton: Clicking it brings up the input interface.
TUIBarrageDisplayView: Used to display barrage messages.
In scenarios where you need to send barrages, create TUIBarrageButton, click to bring up the input interface:
let barrageButton = TUIBarrageButton(roomId: roomId, ownerId: ownerId)
addSubView(barrageButton)
In scenarios where you need to display barrages, use TUIBarrageDisplayView to display barrage messages:
let barrageDisplayView = TUIBarrageDisplayView(roomId: roomId, ownerId: ownerId)
addSubView(barrageDisplayView)
Sending and Receiving Barrage Messages
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Display Barrage	Send Barrage