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LiveCoreView

API Overview
LiveCoreView is a fundamental control developed for our video live streaming UIKit. This core control provides rich APIs such as preview before broadcasting, start video live streaming, stop video live streaming, live streaming room connection with audience, and cross-room connection with other anchors.
API Overview
API
Description
﻿LiveCoreView﻿
Create LiveCoreView object.
﻿startCamera﻿
Start camera capture and display the captured video on LiveCoreView.
﻿startMicrophone﻿
Turn on the local microphone
﻿muteMicrophone﻿
Pause publishing local audio stream
﻿stopCamera﻿
Turns the local camera off
﻿stopMicrophone﻿
Turn off the local microphone
﻿startLiveStream﻿
Anchor creates a live streaming room and starts streaming
﻿stopLiveStream﻿
Anchor stops streaming and destroys the live room
﻿joinLiveStream﻿
Audience member joins an anchor's live streaming room
﻿leaveLiveStream﻿
Audience member leaves an anchor's live streaming room
﻿requestIntraRoomConnection﻿
Audience member requests to connect with the anchor
﻿cancelIntraRoomConnection﻿
Audience member cancels the request to connect with the anchor
﻿respondIntraRoomConnection﻿
Anchor responds to the audience member's request for connection
﻿disconnectUser﻿
Anchor disconnects the connected audience member
﻿terminateIntraRoomConnection﻿
Audience member stops the connection with the anchor themselves
﻿requestCrossRoomConnection﻿
Anchor requests to connect with another anchor in a different live room
﻿cancelCrossRoomConnection﻿
Anchor cancels the request to connect with another anchor in a different live room
﻿respondToCrossRoomConnection﻿
Anchor responds to the connection request
﻿terminateCrossRoomConnection﻿
Anchor disconnects the connection
﻿registerConnectionObserver﻿
Register a connection event callback
﻿unregisterConnectionObserver﻿
Unregister a connection event callback
﻿setLayoutMode﻿
Set the layout mode of the connected broadcaster's video screen
﻿delegate﻿
Set a view adapter for adding widgets to the broadcaster's video screen
API Details
LiveCoreView
Create an instance of the LiveCoreView object.
LiveCoreView()
startCamera
Start camera capture and display the captured video on the LiveCoreView view.
func startCamera(useFrontCamera: Bool, onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters:
Parameters
Type
Meaning
useFrontCamera
Bool
true: use front camera, false: use rear camera
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
startMicrophone
Enable the local microphone.
func startMicrophone(onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
muteMicrophone
Pause publishing the local audio stream.
func muteMicrophone(mute: Bool)
Parameters：
Parameters
Type
Meaning
mute
Bool
true: Pause video stream publishing, false: Normal video stream publishing
stopCamera
Turns the local camera off.
func stopCamera()
stopMicrophone
Turn off the local microphone.
func stopMicrophone()
startLiveStream
Anchor creates a live streaming room and starts streaming.
func startLiveStream(roomInfo: TUIRoomInfo,
                     onSuccess: @escaping TUIRoomInfoBlock,
                     onError: @escaping TUIErrorBlock) 
Parameters：
Parameters
Type
Meaning
roomInfo
TUIRoomInfo
Create live room information
onSuccess
TUIRoomInfoBlock
The success callback
onError
TUIErrorBlock
The failure callback
stopLiveStream
Anchor stops streaming and destroys the live room.
func stopLiveStream(onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
joinLiveStream
Audience member joins an anchor's live streaming room.
func joinLiveStream(roomId: String,
                    onSuccess: @escaping TUIRoomInfoBlock,
                    onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
roomId
String
Live room ID
onSuccess
TUIRoomInfoBlock
The success callback
onError
TUIErrorBlock
The failure callback
leaveLiveStream
Audience member leaves an anchor's live streaming room.
func leaveLiveStream(onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
requestIntraRoomConnection
Audience member requests to connect with the anchor.
func requestIntraRoomConnection(userId: String, timeOut: Int, openCamera: Bool,
                                onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
userId
String
User ID. If an empty string is passed, it means the audience requests to connect with the host. If not empty, it means the host invites the user with the corresponding userId to connect.
timeout
int
Request timeout duration, unit: seconds.
openCamera
Bool
Whether to turn on the camera after a successful mic connection. true: video connect, false: voice connect.
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
cancelIntraRoomConnection
Audience cancels the request to connect with the host.
func cancelIntraRoomConnection(userId: String,
                               onSuccess: @escaping TUISuccessBlock,
                               onError: @escaping TUIErrorBlock) 
Parameters：
Parameters
Type
Meaning
userId
String
User ID to cancel the mic connect. If an empty string is passed, it means the audience cancels the request to connect with the host. If not empty, it means the host cancels the invitation for the user with the corresponding userId to connect.
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
respondIntraRoomConnection
Anchor responds to the audience's request to connect.
func respondIntraRoomConnection(userId: String, isAccepted: Bool,
                                onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
userId
String
Audience user ID to respond to the host's invitation to connect. If an empty string is passed, it means the audience responds to the host's invitation to connect.
isAccepted
isAccepted
Whether to accept the mic connect request. true: accept the mic connect request, false: reject the mic connect request.
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
disconnectUser
The anchor disconnects the audience.
func disconnectUser(userId: String, onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
userId
String
The user ID that the anchor needs to disconnect.
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
terminateIntraRoomConnection
The audience stops the connection with the anchor.
func terminateIntraRoomConnection()
requestCrossRoomConnection
The anchor requests to connect with another room's anchor.
func requestCrossRoomConnection(roomId: String, timeOut: Int,
                                onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
roomId
String
The Room ID for cross-room connection request.
timeout
int
Request timeout duration, unit: seconds.
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
cancelCrossRoomConnection
Anchor cancels the request to connect with another host in a different room.
func cancelCrossRoomConnection(roomId: String, onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
roomId
String
Room ID for canceling the connection.
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
respondToCrossRoomConnection
Anchor responds to the connection request.
func respondToCrossRoomConnection(roomId: String, isAccepted: Bool,
                                  onSuccess: @escaping TUISuccessBlock, onError: @escaping TUIErrorBlock)
Parameters：
Parameters
Type
Meaning
roomId
String
Room ID for responding to the connection request.
isAccepted
boolean
Whether to accept the connection. true: accept the connection, false: reject the connection.
onSuccess
TUISuccessBlock
The success callback
onError
TUIErrorBlock
The failure callback
terminateCrossRoomConnection
The anchor disconnects the connection.
func terminateCrossRoomConnection()
registerConnectionObserver
Register a connection event callback.
func registerConnectionObserver(observer: ConnectionObserver)
Parameters：
Parameters
Type
Meaning
observer
﻿ConnectionObserver﻿
Callback object for connection events.
unregisterConnectionObserver
Unregister a connection event callback.
func unregisterConnectionObserver(observer: ConnectionObserver)
Parameters：
Parameters
Type
Meaning
observer
﻿ConnectionObserver﻿
Callback object for connection events.
setLayoutMode
Set the layout mode for the connected host's video.
func setLayoutMode(layoutMode: LayoutMode, layoutJson: String? = nil)
Parameters：
Parameters
Type
Meaning
layoutModel
﻿LayoutMode﻿
Layout mode during connection, supporting grid layout, floating window layout, and custom layout.
layoutJson
String
JSON string for the layout. For specific settings, refer to Setting Custom Layout.
delegate
Set the view delegate for adding widgets to the connected host's video.
public weak var videoViewDelegate: VideoViewDelegate?
Parameters：
Parameters
Type
Meaning
viewAdapter
﻿VideoViewDelegate﻿
View Delegate for Adding Widgets to Live Stream Video
﻿
Type Definition
Type
Description
﻿ConnectionObserver﻿
Set callback events for core control connections.
﻿LayoutMode﻿
Layout mode during connection, supporting grid layout, floating window layout, and custom layout.
﻿VideoViewDelegate﻿
Connection view adapter interface, which allows you to add widgets to each audio and video stream view by implementing this interface.
ConnectionObserver
Type
Description
﻿onConnectedUsersUpdated﻿
Callback for changes in the list of connected users.
﻿onUserConnectionRequest﻿
Callback for receiving a connection request.
﻿onUserConnectionCancelled﻿
Callback for receiving a request to cancel the connection.
﻿onUserConnectionAccepted﻿
Callback for connection request approval.
﻿onUserConnectionRejected﻿
Callback for connection request rejection.
﻿onUserConnectionTimeout﻿
Callback for connection request timeout.
﻿onUserConnectionTerminated﻿
Callback for the host disconnecting the connection with this viewer.
﻿onUserConnectionExited﻿
Callback for the viewer actively disconnecting.
﻿onConnectedRoomsUpdated﻿
Callback for changes in the cross-room connection room list.
﻿onCrossRoomConnectionRequest﻿
Callback for receiving a cross-room connection request.
﻿onCrossRoomConnectionCancelled﻿
Callback for receiving a request to cancel the cross-room connection.
﻿onCrossRoomConnectionAccepted﻿
Received callback for consent to cross-room connection
﻿onCrossRoomConnectionRejected﻿
Received callback for cross-room connection rejection
﻿onCrossRoomConnectionTimeout﻿
Received callback for cross-room connection timeout.
﻿onCrossRoomConnectionExited﻿
Received callback for cross-room disconnection.
﻿onRoomDismissed﻿
Received callback for room termination.
LayoutMode 
Layout mode during connection
Type
Description
gridLayout
Grid Layout.
floatLayout
Floating Window Layout.
freeLayout
Custom Layout.
VideoViewDelegate
Connection view delegate interface, which allows you to add widgets to each audio and video stream view by implementing this interface.
API
Description
﻿createCoGuestView﻿
Callback when creating a connected audience view. The View created through this API will be displayed on the connected audience's view.
﻿updateCoGuestView﻿
Callback when updating the connected audience view.
﻿createCoHostView﻿
Callback when creating a connected host view, the View created through this API will be displayed on the connected host's view.
﻿updateCoHostView﻿
Callback when updating the connected host view.
Callback Event Details
onConnectedUsersUpdated
Callback for changes in the list of connected users.
func onConnectedUsersUpdated(userList: [TUIUserInfo], joinList: [TUIUserInfo], leaveList: [TUIUserInfo])
Parameters:
Parameter
Type
Description
userList
﻿TUIUserInfo﻿
List of connected users
joinList
﻿TUIUserInfo﻿
Newly connected users
leaveList
﻿TUIUserInfo﻿
Users who have left the connection
onUserConnectionRequest
Callback for receiving a connection request.
func onUserConnectionRequest(inviterUser: TUIUserInfo)
Parameters:
Parameter
Type
Description
inviterUser
﻿TUIUserInfo﻿
Information of the user applying for connection
onUserConnectionCancelled
Callback for receiving a request to cancel the connection.
func onUserConnectionCancelled(inviterUser: TUIUserInfo)
Parameters:
Parameter
Type
Description
inviterUser
﻿TUIUserInfo﻿
Information of the user canceling the connection
onUserConnectionAccepted
Callback for connection request approval.
func onUserConnectionAccepted(userInfo: TUIUserInfo)
Parameters:
Parameter
Type
Description
userInfo
﻿TUIUserInfo﻿
Information of users who agreed to the connection
onUserConnectionRejected
Callback for connection request rejection.
func onUserConnectionRejected(userInfo: TUIUserInfo)
Parameters:
Parameter
Type
Description
userInfo
﻿TUIUserInfo﻿
Information of users who rejected the connection
onUserConnectionTimeout
Callback for connection request timeout.
func onUserConnectionTimeout(userInfo: TUIUserInfo)
Parameters:
Parameter
Type
Description
userInfo
﻿TUIUserInfo﻿
Information of users whose connection request timed out
onUserConnectionTerminated
The callback for the anchor disconnecting the mic connect with this audience.
func onUserConnectionTerminated()
onUserConnectionExited
The callback for the user disconnecting from the seat.
func onUserConnectionExited(userInfo: TUIUserInfo)
Parameters:
Parameter
Type
Description
userInfo
﻿TUIUserInfo﻿
Information of users disconnected from the seat
onConnectedRoomsUpdated
The callback for changes in the room list of connections.
func onConnectedRoomsUpdated(hostUserList: [TUIConnectionUser])
Parameters:
Parameter
Type
Description
hostUserList
﻿TUIConnectionUser﻿
List of room owners of the connected room
onCrossRoomConnectionRequest
The callback for receiving a cross-room connection request.
func onCrossRoomConnectionRequest(hostUser: TUIConnectionUser)
Parameters:
Parameter
Type
Description
hostUser
﻿TUIConnectionUser﻿
Information on the live streaming room owner requesting a connection
onCrossRoomConnectionCancelled
Callback for receiving a cancellation request for a cross-room connection.
func onCrossRoomConnectionCancelled(hostUser: TUIConnectionUser)
Parameters:
Parameter
Type
Description
hostUser
﻿TUIConnectionUser﻿
Cancel the information of the live streaming room owner requesting a connection
onCrossRoomConnectionAccepted
Callback for receiving an approval for a cross-room connection request.
func onCrossRoomConnectionAccepted(hostUser: TUIConnectionUser)
Parameters:
Parameter
Type
Description
hostUser
﻿TUIConnectionUser﻿
Information on the live streaming room owner agreeing to the connection
onCrossRoomConnectionRejected
Callback for receiving a rejection of a cross-room connection request.
func onCrossRoomConnectionRejected(hostUser: TUIConnectionUser)
Parameters:
Parameter
Type
Description
hostUser
﻿TUIConnectionUser﻿
Information on the live streaming room owner rejecting the connection
onCrossRoomConnectionTimeout
Callback for a timeout in receiving a room connection request.
func onCrossRoomConnectionTimeout(inviter: TUIConnectionUser, invitee: TUIConnectionUser)
Parameters:
Parameter
Type
Description
inviter
﻿TUIConnectionUser﻿
Information on the live streaming room owner requesting a connection
invitee
﻿TUIConnectionUser﻿
Information on the live streaming room owner being invited to connect
onCrossRoomConnectionExited
Callback for changes in the connected users list.
func onCrossRoomConnectionExited(hostUser: TUIConnectionUser)
Parameters:
Parameter
Type
Description
hostUser
﻿TUIConnectionUser﻿
Information of the live streaming room exiting the connection
onRoomDismissed
Callback of live streaming room termination.
func onRoomDismissed(roomId: String)
Parameters:
Parameter
Type
Description
roomId
String
Room ID
createCoGuestView
Create a pendant view for audience connection, which will be added to the user's video stream.
func createCoGuestView(userInfo: TUIUserInfo) -> UIView?
Parameters:
Parameter
Type
Description
userInfo
﻿TUIUserInfo﻿
User information of users connected to the microphone
Return value: UIView?
updateCoGuestView
Callback for updating the pendant view. In general, you don't need to concern yourself with this callback. You can update your set pendant view based on the state of your pendant data unless your pendant depends on changes in userInfo.
func updateCoGuestView(userInfo: TUIUserInfo, coGuestView: UIView)
Parameters:
Parameter
Type
Description
userInfo
﻿TUIUserInfo﻿
User information of users connected to the microphone
coGuestView
UIView
The pendant view you created using the createCoGuestView API
createCoHostView
Create a pendant view for the host's connection, which will be added to the connected host's video stream.
func createCoHostView(connectionUser: TUIConnectionUser) -> UIView?
Parameters:
Parameter
Type
Description
connectionUser
﻿TUIConnectionUser﻿
User information of the connected host
Return value: UIView?
updateCoHostView
Callback for updating the pendant view. In general, you don't need to concern yourself with this callback. You can update your set pendant view based on the state of your pendant data unless your pendant depends on changes in connectionUser.
func updateCoHostView(connectionUser: TUIConnectionUser, coHostView: UIView)
Parameters:
Parameter
Type
Description
connectionUser
﻿TUIConnectionUser﻿
Information of the connected host
coHostView
UIView
The pendant view you created using the createCoHostView API

API Overview
API Overview
API Details
Type Definition
Callback Event Details

API	Description
LiveCoreView	Create LiveCoreView object.
startCamera	Start camera capture and display the captured video on LiveCoreView.
startMicrophone	Turn on the local microphone
muteMicrophone	Pause publishing local audio stream
stopCamera	Turns the local camera off
stopMicrophone	Turn off the local microphone
startLiveStream	Anchor creates a live streaming room and starts streaming
stopLiveStream	Anchor stops streaming and destroys the live room
joinLiveStream	Audience member joins an anchor's live streaming room
leaveLiveStream	Audience member leaves an anchor's live streaming room
requestIntraRoomConnection	Audience member requests to connect with the anchor
cancelIntraRoomConnection	Audience member cancels the request to connect with the anchor
respondIntraRoomConnection	Anchor responds to the audience member's request for connection
disconnectUser	Anchor disconnects the connected audience member
terminateIntraRoomConnection	Audience member stops the connection with the anchor themselves
requestCrossRoomConnection	Anchor requests to connect with another anchor in a different live room
cancelCrossRoomConnection	Anchor cancels the request to connect with another anchor in a different live room
respondToCrossRoomConnection	Anchor responds to the connection request
terminateCrossRoomConnection	Anchor disconnects the connection
registerConnectionObserver	Register a connection event callback
unregisterConnectionObserver	Unregister a connection event callback
setLayoutMode	Set the layout mode of the connected broadcaster's video screen
delegate	Set a view adapter for adding widgets to the broadcaster's video screen

Parameters	Type	Meaning
useFrontCamera	Bool	true: use front camera, false: use rear camera
onSuccess	TUISuccessBlock	The success callback
onError	TUIErrorBlock	The failure callback

Type	Description
ConnectionObserver	Set callback events for core control connections.
LayoutMode	Layout mode during connection, supporting grid layout, floating window layout, and custom layout.
VideoViewDelegate	Connection view adapter interface, which allows you to add widgets to each audio and video stream view by implementing this interface.

Type	Description
onConnectedUsersUpdated	Callback for changes in the list of connected users.
onUserConnectionRequest	Callback for receiving a connection request.
onUserConnectionCancelled	Callback for receiving a request to cancel the connection.
onUserConnectionAccepted	Callback for connection request approval.
onUserConnectionRejected	Callback for connection request rejection.
onUserConnectionTimeout	Callback for connection request timeout.
onUserConnectionTerminated	Callback for the host disconnecting the connection with this viewer.
onUserConnectionExited	Callback for the viewer actively disconnecting.
onConnectedRoomsUpdated	Callback for changes in the cross-room connection room list.
onCrossRoomConnectionRequest	Callback for receiving a cross-room connection request.
onCrossRoomConnectionCancelled	Callback for receiving a request to cancel the cross-room connection.
onCrossRoomConnectionAccepted	Received callback for consent to cross-room connection
onCrossRoomConnectionRejected	Received callback for cross-room connection rejection
onCrossRoomConnectionTimeout	Received callback for cross-room connection timeout.
onCrossRoomConnectionExited	Received callback for cross-room disconnection.
onRoomDismissed	Received callback for room termination.

Type	Description
gridLayout	Grid Layout.
floatLayout	Floating Window Layout.
freeLayout	Custom Layout.

API	Description
createCoGuestView	Callback when creating a connected audience view. The View created through this API will be displayed on the connected audience's view.
updateCoGuestView	Callback when updating the connected audience view.
createCoHostView	Callback when creating a connected host view, the View created through this API will be displayed on the connected host's view.
updateCoHostView	Callback when updating the connected host view.

Parameter	Type	Description
userList	TUIUserInfo	List of connected users
joinList	TUIUserInfo	Newly connected users
leaveList	TUIUserInfo	Users who have left the connection