สร้างแอปอินเทอร์เน็ตของสรรพสิ่ง

<application>
    ...
   <service
       ...
        android:name=".MyCarAppService"
        android:exported="true">
      <intent-filter>
        <action android:name="androidx.car.app.CarAppService" />
        <category android:name="androidx.car.app.category.IOT"/>
      </intent-filter>
    </service>
    ...
<application>

val listBuilder = ItemList.Builder()
val headerBuilder = Header.Builder()
val garageIcon = IconCompat.createWithResource(
    carContext,
    R.drawable.ic_garage
)

listBuilder.addItem(
    GridItem.Builder()
        .setTitle("Garage door")
        .setImage(
            CarIcon.Builder(garageIcon).build(),
            GridItem.IMAGE_TYPE_ICON
        )
        .setOnClickListener {
            // Handle user interactions
        }
        .build()
)

listBuilder.addItem(
    GridItem.Builder()
        .setTitle("Garage lights")
        // Show a loading indicator until the status of the device is known
        // (call invalidate() when the status is known to refresh the screen)
        .setLoading(true)
        .build()
)

return GridTemplate.Builder()
    .setHeader(
        headerBuilder.setTitle("Devices")
            .setStartHeaderAction(Action.APP_ICON).build()
    )
    .setSingleList(listBuilder.build())
    .build()
IOT.kt