Autocomplete : start fetching users. Still need to adjust UI and manage selection.

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/members/RoomMembersService.kt

@@ -42,11 +42,11 @@ interface RoomMembersService {
     fun getRoomMember(userId: String): RoomMember?
 
     /**
-     * Return all the roomMembers of the room
+     * Return all the roomMembers ids of the room
      *
      * @return a [LiveData] of roomMember list.
      */
-    fun getRoomMembersLive(): LiveData<List<RoomMember>>
+    fun getRoomMemberIdsLive(): LiveData<List<String>>
 
 
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/members/DefaultRoomMembersService.kt

@@ -48,13 +48,13 @@ internal class DefaultRoomMembersService(private val roomId: String,
         return eventEntity?.asDomain()?.content.toModel()
     }
 
-    override fun getRoomMembersLive(): LiveData<List<RoomMember>> {
+    override fun getRoomMemberIdsLive(): LiveData<List<String>> {
         return monarchy.findAllMappedWithChanges(
                 {
                     RoomMembers(it, roomId).queryRoomMembersEvent()
                 },
                 {
-                    it.asDomain().content.toModel<RoomMember>()!!
+                    it.stateKey!!
                 }
         )
     }