Android 上的 Structure API

import com.google.home.Home
import com.google.home.Id
import com.google.home.Structure

// Get a flow of all structures accessible to the user
val allStructuresFlow: HomeObjectsFlow<Structure> = home.structures()

// Calling list() on a HomeObjectsFlow returns the first Set of elements.
val allStructures: Set<Structure> = allStructuresFlow.list()

val everyStructure = withTimeout(5000) { home.structures().first { it.isNotEmpty() } }

// Get a flow on a structure. Flow emits new values on structure metadata changes: name.
val structureFlow: Flow<Structure> = home.structures().itemFlow(myStructureId)

// Get a snapshot of the structure.
val structure: Structure = structureFlow.first()

// Get structure properties
println("id ${structure.id}")
println("name ${structure.name}")

val myHome = home.structures().list().first { it.name == "My home" }

var structure1: Structure? = null
var structure2: Structure? = null

try {
  structure1 = home.structures().list().firstOrNull { it.name == "Main House" }
} catch (e: HomeException) {
  // Code for handling the exception
}
try {
  structure2 = home.structures().list().firstOrNull { it.name == "Guest Cottage" }
} catch (e: HomeException) {
  // Code for handling the exception
}

val allRoomsFlow: HomeObjectsFlow<Room> = structure.rooms()
val allRooms: Set<Room> = allRoomsFlow.list()
val room: Room = allRooms.first()

println("id ${room.id}")
println("name ${room.name}")

val testName = "Test Room Name"
val newRoom: Room = structure.createRoom(testName)

val roomToDelete = structure.rooms().list().filter { it.name == "room_id1" }.firstOrNull()
    structure.deleteRoom(roomToDelete!!)

val roomToDelete1 = allRooms.filter { it.id == testRoomId }.firstOrNull()
structure.deleteRoom(roomToDelete1!!)

val room2 = structure.rooms().get(Id("room_id_other_structure"))
    val device1 = structure.devices().get(Id("device_id1"))
    structure.moveDevicesToRoom(room2!!, listOf(device1!!))

structure.moveDevicesToRoom(Id("room_id_other_structure"), listOf(Id("device_id1")))

livingRoom.setName("Living Room")

import com.google.home.Structure
import com.google.home.DeviceType
import com.google.home.DeviceTypeFactory
import com.google.home.consentedDeviceTypes // Extension function from the SDK
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.launch

/**
 * Example of how an app may monitor which device types have been granted access by a user.
 */
fun monitorDeviceConsent(structure: Structure, myScope: CoroutineScope) {
    // Obtain the flow of consented device type factories
    val consentedTypesFlow: Flow<Set<DeviceTypeFactory<out DeviceType>>> =
        structure.consentedDeviceTypes()

    myScope.launch {
        consentedTypesFlow.collect { consentedSet ->
            // Check if the user has consented to share a specific restricted
            // type, such as a Doorbell or Camera.
            val hasCameraAccess = consentedSet.any {
                it.toString() == "matter.google.type.GoogleDoorbellDevice"
            }

            if (hasCameraAccess) {
                // Enable features that require camera access
            } else {
                // Inform the user or disable camera-specific features
            }
        }
    }
}

home.entities(DeviceGroup).collect { allGroups ->
  val structureGroups = allGroups.filter { it.structureId == structure.id }
  for (group in structureGroups) {
    val groupName = group.trait(Group)?.Name
    println("Found group: $groupName with ID: ${group.id.id}")
  }
}

val members = group.devices(enableMultipartDevices = true).first()
val onOffTraits = members.mapNotNull { device ->
  device.partOrNull(OnOffLightDevice).first()?.standardTraits?.onOff
}

val responses = home.sendBatchedCommands {
  onOffTraits.map { onOff ->
    add(onOff.onBatchable())
  }
}

for (response in responses) {
  response.getOrThrow()
}

val members = group.devices(enableMultipartDevices = true).first()

withTimeout(5.seconds) {
  members.map { device ->
    async {
      val light = device.partOrNull(DimmableLightDevice).first()
      val levelControl = light?.standardTraits?.levelControl
      if (
        levelControl?.supports(
          LevelControl.Attribute.onTransitionTime
        ) == true
      ) {
        levelControl.update { setOnTransitionTime(1u) }
      }
    }
  }.awaitAll()
}

val members = group.devices(enableMultipartDevices = true).first()
val minMaxMireds: UShort? = members.mapNotNull { device ->
  val light = device.partOrNull(ColorTemperatureLightDevice).first()
  light?.standardTraits?.colorControl?.colorTempPhysicalMaxMireds
}.minOrNull()

val groupManagement = structure.trait(GroupManagementTrait)
val response = groupManagement?.createUserDefinedGroup(
  name = "Living room lights",
  memberDeviceObjectIds = listOf(light1.id.id, light2.id.id)
)

structure.trait(GroupManagementTrait)?.addGroupMembers(
  groupObjectId = group.id.id,
  memberDeviceObjectIds = listOf(light3.id.id)
)

structure.trait(GroupManagementTrait)?.removeGroupMembers(
  groupObjectId = group.id.id,
  memberDeviceObjectIds = listOf(light1.id.id)
)

group.trait(GroupTrait)?.update {
  name = "Movie corner"
}

structure.trait(GroupManagementTrait)?.deleteGroup(
  groupObjectId = group.id.id
)