SeatGridWidget
Last updated: 2025-04-17 14:16:15
API Introduction
SeatGridWidget is a basic control we developed for the voice chat room UIKit. This core control provides various APIs such as enabling/disabling the voice chat room, managing microphone positions in the live streaming room, including applying for microphone mode, inviting speakers, moving microphone positions, and kicking someone off the mic.
API Overview
API | Description |
Create a SeatGridController object | |
Create a SeatGridWidget object | |
Open the local microphone | |
Close the local microphone | |
Pause publishing local audio stream | |
Resume publishing local audio stream | |
Anchor creates a live room and starts streaming. | |
Anchor stops streaming and destroys the live room. | |
Audience joins an anchor's live streaming room. | |
Audience leaves an anchor's live streaming room. | |
Update the seat mode of the room. | |
Anchor responds to microphone application / Audience responds to microphone invitation | |
Anchor cancels microphone invitation / Audience cancels microphone application | |
Become a speaker. | |
Move the seat. | |
Leave the seat. | |
Anchor invites users to speak. | |
Anchor removes a user from the seat. | |
Anchor locks the seat (including position lock, audio status lock and video status lock) | |
Anchor sets the layout mode of the seat list. | |
Set event callback | |
Remove event callback |
API Details
SeatGridController
Create an object instance of
SeatGridController. SeatGridController is responsible for providing APIs for the voice chat room scenario.SeatGridController()
Return Value: SeatGridController
SeatGridWidget
Create an instance of
SeatGridWidget. SeatGridWidget is responsible for rendering the seat UI.SeatGridWidget({super.key,required this.controller,this.seatWidgetBuilder,this.onSeatWidgetTap});
Parameters:
Parameter | Type | Meaning |
key | Key? | How does Flutter control replacing the parameters of an old widget with a new widget |
controller | Controller of SeatGridWidget, responsible for providing APIs in the live voice room scenario | |
seatWidgetBuilder | Constructor of the custom seat widget | |
onSeatWidgetTap | Callback for seat click event |
Return Value: SeatGridWidget
startMicrophone
Open the local microphone.
Future<TUIActionCallback> startMicrophone()
stopMicrophone
Close the local microphone.
void stopMicrophone()
Return Value: void
muteMicrophone
Pause publishing local audio stream.
Future<TUIActionCallback> muteMicrophone()
unmuteMicrophone
Resume publishing local audio stream.
Future<TUIActionCallback> unmuteMicrophone()
startVoiceRoom
Anchor creates a live room and starts streaming.
Future<TUIValueCallBack<TUIRoomInfo>> startVoiceRoom(TUIRoomInfo roomInfo)
Parameters:
Parameter | Type | Meaning |
roomInfo | Information of creating a live streaming room |
stopVoiceRoom
Anchor stops streaming and destroys the live room.
Future<TUIActionCallback> stopVoiceRoom()
joinVoiceRoom
Audience joins an anchor's live streaming room.
Future<TUIValueCallBack<TUIRoomInfo>> joinVoiceRoom(String roomId)
Parameters:
Parameter | Type | Meaning |
roomId | String | Live Streaming Room ID |
leaveVoiceRoom
Audience leaves an anchor's live streaming room.
Future<TUIActionCallback> leaveVoiceRoom()
updateRoomSeatMode
Update the seat mode of the room.
Future<TUIActionCallback> updateRoomSeatMode(TUISeatMode seatMode)
Parameters:
Parameter | Type | Meaning |
seatMode | Free to Take: In free-speaking mode, the audience can freely join the podium without applying. applyToTake: Audience become speakers only after the broadcaster agrees. |
responseRemoteRequest
Anchor responds to microphone application / Audience responds to microphone invitation.
Future<TUIActionCallback> responseRemoteRequest(String userId, bool agree)
Parameters:
Parameter | Type | Meaning |
userId | String | User ID that responds to the user. If the current identity is an audience, the ID can be left blank. |
agree | bool | Whether to accept requests: true for accept, false for deny requests |
cancelRequest
Anchor cancels microphone invitation / Audience cancels microphone application
Future<TUIActionCallback> cancelRequest(String userId)
Parameters:
Parameter | Type | Meaning |
userId | String | User ID to be cancelled. If the current identity is an audience, the ID can be left blank. |
takeSeat
Request to speak (application required in speaking mode)
Future<RequestCallback> takeSeat(int seatIndex, int timeout)
Parameters:
Parameter | Type | Meaning |
index | int | Microphone position ID for speaking |
timeout | int | Timeout period, in seconds. If set to 0, the SDK will not perform timeout detection or trigger a timeout callback. |
moveToSeat
Remove seat (this function can only be invoked by the user already in the seat)
Future<TUIActionCallback> moveToSeat(int index)
Parameters:
Parameter | Type | Meaning |
index | int | Microphone position ID that needs to be moved to |
leaveSeat
Become a listener.
Future<TUIActionCallback> leaveSeat()
takeUserOnSeatByAdmin
Anchor invites users to speak.
Future<RequestCallback> takeUserOnSeatByAdmin(int seatIndex, String userId, int timeout)
Parameters:
Parameter | Type | Meaning |
index | int | Invited microphone position ID |
userId | String | ID of the invited user |
timeout | int | Timeout period, in seconds. If set to 0, the SDK will not perform timeout detection or trigger a timeout callback. |
kickUserOffSeatByAdmin
Anchor removes a user from the seat.
Future<TUIActionCallback> kickUserOffSeatByAdmin(String userId)
Parameters:
Parameter | Type | Meaning |
userId | String | User ID of the kicked-off user |
lockSeat
Mute a speaker. Anchor locks the seat (including position lock, audio status lock and video status lock)
Future<TUIActionCallback> lockSeat(int index, TUISeatLockParams lockMode)
Parameters:
Parameter | Type | Meaning |
seatIndex | int | The microphone position ID that needs to be locked. |
lockMode | Microphone Mute Parameters |
setLayoutMode
Set the layout mode of the seat list.
void setLayoutMode(LayoutMode layoutMode, SeatWidgetLayoutConfig? layoutConfig)
Parameters:
Parameter | Type | Meaning |
layoutMode | The layout mode of the seat position list supports focus layout, grid layout, vertical layout, and free layout. | |
layoutConfig | Layout configuration information only takes effect in free layout mode. |
Return Value: void
addObserver
Set event callback.
void addObserver(SeatGridWidgetObserver observer)
Parameters:
Parameter | Type | Meaning |
observer | Callback object of the core component |
Return Value: void
removeObserver
Remove event callback.
void removeObserver(SeatGridWidgetObserver observer)
Parameters:
Parameter | Type | Meaning |
observer | Callback object of the core component |
Return Value: void
Type Definition
Type | Meaning |
Custom seat widget constructor | |
Seat click event | |
Received room destruction event | |
Received event of being removed from room | |
Received request event to speak / Received invitation to speak event | |
Event of request to speak / invitation to speak being canceled | |
Received event of user removed from microphone | |
User audio status change event. | |
The layout mode of the seat position list supports focus layout, grid layout, vertical layout, and custom layout. | |
Alignment mode of seat layout | |
Request type (apply for microphone mode and invitation to speak) | |
Request result type | |
Request result callback | |
Seat layout configuration information | |
Seating layout row layout configuration information |
SeatWidgetBuilder
Constructor of the custom seat
widgettypedef SeatWidgetBuilder = Widget Function(BuildContext context,ValueNotifier<TUISeatInfo> seatInfoNotifier,ValueNotifier<int> volumeNotifier);
Parameters:
Parameter | Type | Meaning |
context | BuildContext | Context |
seatInfoNotifier | Seat information notifier | |
volumeNotifier | ValueNotifier<int> | Volume information notifier |
OnSeatWidgetTap
Seat click event
typedef OnSeatWidgetTap = void Function(TUISeatInfo seatInfo);
Parameters:
Parameter | Type | Meaning |
seatInfo | Microphone position information |
OnRoomDismissed
Received room destruction event
typedef OnRoomDismissed = void Function(String roomId);
Parameters:
Parameter | Type | Meaning |
roomId | String | room ID |
OnKickedOutOfRoom
Received event of being removed from room
typedef OnKickedOutOfRoom = void Function(String roomId, TUIKickedOutOfRoomReason reason, String message);
Parameters:
Parameter | Type | Meaning |
roomId | String | room ID |
reason | TUIKickedOutOfRoomReason | Reason for being kicked out |
message | String | Kicked-out info |
OnSeatRequestReceived
Received request event to speak / Received invitation to speak event
typedef OnSeatRequestReceived = void Function(RequestType type, TUIUserInfo userInfo);
Parameters:
Parameter | Type | Meaning |
type | Request Type | |
userInfo | Requester Information |
OnSeatRequestCancelled
Event of request to speak / invitation to speak being canceled
typedef OnSeatRequestCancelled = void Function(RequestType type, TUIUserInfo userInfo);
Parameters:
Parameter | Type | Meaning |
type | Request Type | |
userInfo | Operator Information |
OnKickedOffSeat
Received event of user removed from microphone
typedef OnKickedOffSeat = void Function(TUIUserInfo userInfo);
Parameters:
Parameter | Type | Meaning |
userInfo | Operator Information |
OnUserAudioStateChanged
User audio status change event
typedef OnUserAudioStateChanged = void Function(TUIUserInfo userInfo, bool hasAudio, TUIChangeReason reason);
Parameters:
Parameter | Type | Meaning |
userInfo | Operator Information | |
hasAudio | bool | Whether there is an audio stream |
reason | Reason for audio stream change |
LayoutMode
Layout mode of the seat position list
Enumeration Value | Meaning |
focus | Focus on layout |
grid | Grid layout |
vertical | Vertical layout |
free | Custom Layout |
SeatWidgetLayoutRowAlignment
Alignment mode of seat layout
Enumeration Value | Meaning |
start | Move the seat closer to the starting position |
end | Move the seat closer to the ending position |
center | Move the seat closer to the intermediate position |
spaceBetween | Do not leave space before the first seat and after the last seat. Evenly distribute the remaining space between other seats. |
spaceAround | Distribute half of the space before the first seat and after the last seat. Evenly distribute the remaining space between other seats. |
spaceEvenly | Evenly distribute the remaining space between all seats. |
RequestType
Request Type
Enumeration Value | Meaning |
applyToTakeSeat | Request to speak |
inviteToTakeSeat | Invitation to speak |
RequestResultType
Request to speak / Invitation to speak callback
Enumeration Value | Meaning |
onAccepted | The request is accepted. |
onRejected | Request rejected. |
onCancelled | The request is canceled. |
onTimeout | Request timeout |
onError | Request anomaly |
RequestCallback
Request result callback
Attribute | Type | Meaning |
code | Error Code Enumeration | |
message | String | Error code information |
type | Request result type | |
userInfo | Request Processor |
SeatWidgetLayoutRowConfig
Seating layout row layout configuration information
Attribute | Type | Meaning |
count | int | Microphone Quantity Displayed in This Row |
seatSpacing | double | Seat Horizontal Spacing in This Row (This Parameter Is Valid Only When the Alignment Mode Is START, END, and CENTER) |
seatSize | Size | Seat Layout Size in This Row |
alignment | Alignment mode of layout in this row |
SeatWidgetLayoutConfig
Seat layout configuration information
Required | Type | Description |
rowConfigs | Configuration information list of all rows in seat layout | |
rowSpacing | double | Line Spacing in Seat Layout |
Event Definition
SeatGridWidgetObserver
Event List | Type | Meaning |
onRoomDismissed | Received room destruction event | |
onKickedOutOfRoom | Received event of being removed from room | |
onSeatRequestReceived | Received request event to speak / Received invitation to speak event | |
onSeatRequestCancelled | Event of request to speak / invitation to speak being canceled | |
onKickedOffSeat | Received event of user removed from microphone | |
onUserAudioStateChanged | User audio status change event |
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