API Overview

Agora Edu Context enables developers to implement the functions in the Flexible Classroom. Different contexts represent different function modules in the Flexible Classroom. Each context contains methods for the app to call and also reports event callbacks to the app.

Media Context

Method	Description
getLocalDevices	Gets the local devices.
openLocalDevice	Turns on the specified local device.
closeLocalDevice	Turns off the local device.
getLocalDeviceState	Gets the state of the local device.
startRenderVideo	Starts rendering the video stream.
stopRenderVideo	Stops rendering the video stream.
startAudioMixing	Starts audio mixing.
stopAudioMixing	Stops audio mixing.
setAudioMixingPosition	Sets the starting position of the music file for mixing.
onVolumeUpdated	Indicates the volume change of a stream.
onLocalDeviceStateUpdated	Occurs when the local device state changes.
onLocalDeviceConnected	Occurs when the local device is connected.
onLocalDeviceDisconnected	Occurs when the local device is disconnected.
onAudioMixingStateChanged	Occurs when the audio mixing state changes.

Monitor Context

Method	Description
uploadLog	Uploads the logs.
getSyncTimestamp	Gets the timestamp after synchronizing with the server.
onLocalNetworkQualityUpdated	Occurs when the local network quality changes.
onLocalConnectionUpdated	Occurs when the connection between the local client and the Agora server changes.
onMediaPacketStatsUpdated	Reports statistics of the media packet.
onPerformanceUpdated	Occurs when the performance information updates.
onMediaErrorOccurred	Occurs when a media error occurs.

Room Context

Method	Description
joinRoom	Joins a room.
leaveRoom	Leaves the room.
getRoomInfo	Gets the room information.
getRoomProperties	Gets custom room properties.
updateRoomProperties	Adds or updates custom room properties.
deleteRoomProperties	Deletes custom room properties.
onRoomJoinedSuccess	Occurs when the local user successfully joins the room.
onRoomJoinedFail	Occurs when the local user fails to join the room.
onRoomPropertiesUpdated	Occurs when the custom room properties are updated.
onRoomPropertiesDeleted	Occurs when custom room properties are deleted.
onRoomClosed	Occurs when the room is closed.
onClassStateUpdated	Occurs when the class state changes.

Stream Context

Method	Description
getStreamList	Gets all streams of the specified user.
getAllStreamList	Gets all streams.
setLocalVideoConfig	Sets the encoding configurations for the local video stream.
setRemoteVideoStreamSubscribeLevel	Subscribes to high-resolution or low-resolution video streams.
onStreamUpdated	Occurs when a stream is updated.
onStreamJoined	Occurs when a stream is added to the room.
onStreamLeft	Occurs when a stream is removed from the room.

User Context

Method	Description
getLocalDevices	Gets the local devices.
getCoHostList	Gets the information of all users on the "stage".
getUserList	Gets the user information of the specified role.
getAllUserList	Gets the information of all users in the room.
updateUserProperties	Adds or updates custom user properties.
deleteUserProperties	Deletes custom user properties.
getUserProperties	Gets the custom properties of the specified user.
getUserRewardCount	Gets the number of rewards owned by the specified user.
getHandsWaveEnable	Checks whether the "raising a hand" feature is enabled.
handsWave	Raises the hand to apply for speaking on the "stage".
handsDown	Puts down the hand.
onRemoteUserJoined	Occurs when a remote user joins the room.
onRemoteUserLeft	Occurs when a remote user leaves the room.
onUserUpdated	Occurs when the information of a user is updated.
onCoHostUserListAdded	Occurs when users successfully go onto the "stage".
onCoHostUserListRemoved	Occurs when users go off the "stage".
onUserPropertiesUpdated	Occurs when the custom user properties are updated.
onUserPropertiesDeleted	Occurs when the custom user properties are deleted.
onUserRewarded	Occurs when the number of a user's rewards changes.
onLocalUserKickedOut	Occurs when the local user is kicked out of the room.
onHandsWaveEnabled	Indicates whether the "raising a handing" feature is enabled.
onUserHandsWave	Occurs when a user raises a hand.
onUserHandsDown	Occurs when a user puts down the hand.