CallViewModel.kt
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package io.livekit.android.sample
import android.app.Application
import androidx.lifecycle.AndroidViewModel
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.viewModelScope
import io.livekit.android.ConnectOptions
import io.livekit.android.LiveKit
import io.livekit.android.room.Room
import io.livekit.android.room.participant.Participant
import io.livekit.android.room.participant.RemoteParticipant
import kotlinx.coroutines.launch
class CallViewModel(
val url: String,
val token: String,
application: Application
) : AndroidViewModel(application) {
private val mutableRoom = MutableLiveData<Room>()
val room: LiveData<Room> = mutableRoom
private val mutableRemoteParticipants = MutableLiveData<List<RemoteParticipant>>()
val remoteParticipants: LiveData<List<RemoteParticipant>> = mutableRemoteParticipants
init {
viewModelScope.launch {
mutableRoom.value = LiveKit.connect(
application,
url,
token,
ConnectOptions(false),
object : Room.Listener {
override fun onConnect(room: Room) {
updateParticipants(room)
}
override fun onDisconnect(room: Room, error: Exception?) {
}
override fun onParticipantConnected(
room: Room,
participant: RemoteParticipant
) {
updateParticipants(room)
}
override fun onParticipantDisconnected(
room: Room,
participant: RemoteParticipant
) {
updateParticipants(room)
}
override fun onFailedToConnect(room: Room, error: Exception) {
}
override fun onReconnecting(room: Room, error: Exception) {
}
override fun onReconnect(room: Room) {
updateParticipants(room)
}
override fun onActiveSpeakersChanged(speakers: List<Participant>, room: Room) {
}
override fun onMetadataChanged(
room: Room,
Participant: Participant,
prevMetadata: String?
) {
}
}
)
}
}
fun updateParticipants(room: Room) {
mutableRemoteParticipants.postValue(
room.remoteParticipants
.keys
.sortedBy { it }
.mapNotNull { room.remoteParticipants[it] }
)
}
override fun onCleared() {
super.onCleared()
mutableRoom.value?.disconnect()
mutableRoom.value = null
}
}