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diff --git a/en/devices/automotive/properties.html b/en/devices/automotive/properties.html index 5a69edef..55baea95 100644 --- a/en/devices/automotive/properties.html +++ b/en/devices/automotive/properties.html @@ -227,5 +227,32 @@ This information is used to block unsafe applications while driving.</li> <br>Fuel level is low or not (boolean).</li> </ul> +<h2 id=vms>Vehicle Mapping Service (VMS)</h2> + +<p>Android 8.1 introduces support for the Vehicle Mapping Service (VMS), a new +vehicle property intended for use only in Android Automotive implementations. +VMS can be used for in-vehicle mapping services that support common vehicle +features such as advanced driver assistance +(<a href="https://en.wikipedia.org/wiki/Advanced_driver-assistance_systems" class="external">ADAS</a>). + +<aside class="note"><strong>Note:</strong> For details on compatibility +requirements for Automotive, see +<a href="https://source.android.com/compatibility/android-cdd#2_5_automotive_requirements">Automotive +Requirements</a>.</aside> + +<p>The VMS property is a complex data type that expresses map data exchanged +between an Android Automotive implementation and the underlying vehicle hardware +responsible for managing onboard mapping data.</p> + +<p>AOSP does not contain a default implementation of VMS, which currently +exists only as the property and related enumeration. Message types and data +structures are described in +<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/automotive/vehicle/2.0/types.hal">Vehicle +HAL 2.0</a> in the +<a href="https://android.googlesource.com/platform/hardware/interfaces/+/master/automotive/vehicle/2.0/types.hal#3216">VmsMessageType</a> +enum, which lists the types of supported VMS messages. This enum is used as the +first integer in the vehicle property integers array and determines how the rest +of the message is decoded.</p> + </body> </html> |