```
public interface SessionEventListener

                    
```
General listener to for events happening during session All callbacks are executed on Main Thread

Method Summary

Modifier and Type	Method	Description
`abstract Unit`	`onParticipantJoined(Participant participant)`	On participant joins call.
`abstract Unit`	`onParticipantLeft(Participant participant)`	On participant left a call.
`abstract Unit`	`onParticipantMediaStateChanged(Participant participant)`	Triggered when participant's media state was changed.
`abstract Unit`	`onLocalVideoCreated(VideoTrack videoTrack)`
`abstract Unit`	`onLocalVideoStopped()`	on Local Video stream stopped
`abstract Unit`	`onLocalAudioCreated()`	on Local Audio stream created
`abstract Unit`	`onLocalAudioStopped()`	on Local Audio stream stopped
`abstract Unit`	`onActiveSpeakerChanged(Participant participant)`	Triggered when Participant marked as active was changed.
`abstract Unit`	`onConnectionStateChanged(ScreenMeet.ConnectionState newState)`	Triggered when session connection state changed

Methods inherited from class com.screenmeet.sdk.SessionEventListener
equals, hashCode, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - onParticipantJoined
```
 abstract Unit onParticipantJoined(Participant participant)
```
    On participant joins call.
    
    Parameters:
    
    participant - : Participant details, audio/video tracks
  - onParticipantLeft
```
 abstract Unit onParticipantLeft(Participant participant)
```
    On participant left a call.
    
    Parameters:
    
    participant - : Participant details, audio/video tracks
  - onParticipantMediaStateChanged
```
 abstract Unit onParticipantMediaStateChanged(Participant participant)
```
    Triggered when participant's media state was changed. For example participant muted, paused, resumed video, etc
    Parameter participant: Participant details.
  - onLocalVideoCreated
```
 abstract Unit onLocalVideoCreated(VideoTrack videoTrack)
```
    Parameters:
    
    videoTrack - : Can be used to preview local video.
  - onLocalVideoStopped
```
 abstract Unit onLocalVideoStopped()
```
    on Local Video stream stopped
  - onLocalAudioCreated
```
 abstract Unit onLocalAudioCreated()
```
    on Local Audio stream created
  - onLocalAudioStopped
```
 abstract Unit onLocalAudioStopped()
```
    on Local Audio stream stopped
  - onActiveSpeakerChanged
```
 abstract Unit onActiveSpeakerChanged(Participant participant)
```
    Triggered when Participant marked as active was changed.
  - onConnectionStateChanged
```
 abstract Unit onConnectionStateChanged(ScreenMeet.ConnectionState newState)
```
    Triggered when session connection state changed

Interface SessionEventListener

Method Summary

Methods inherited from class com.screenmeet.sdk.SessionEventListener

Methods inherited from class java.lang.Object

Method Detail

onParticipantJoined

onParticipantLeft

onParticipantMediaStateChanged

onLocalVideoCreated

onLocalVideoStopped

onLocalAudioCreated

onLocalAudioStopped

onActiveSpeakerChanged

onConnectionStateChanged