Vehicle properties
Vehicle information
INFO_DRIVER_SEAT
What it is
Driver's seat location VHAL implementations must ignore the areaId. Use VehicleArea:GLOBAL.
How the ID is built
A property ID is a 32-bit value packing four fields. Reading 0x1540010a apart:
| Field | Mask | Value | Means |
|---|---|---|---|
| Group | 0xf0000000 | 0x10000000 | SYSTEM |
| Area | 0x0f000000 | 0x05000000 | SEAT |
| Type | 0x00ff0000 | 0x00400000 | INT32 |
| Ordinal | 0x0000ffff | 0x0000010a | 0x10a |
Reading it from an app
CarPropertyManager mgr = (CarPropertyManager)
car.getCarManager(Car.PROPERTY_SERVICE);
int value =
mgr.getIntProperty(VehiclePropertyIds.INFO_DRIVER_SEAT, areaId);This property is read-only — writes are rejected. It is static for the life of the vehicle, so read it once and cache it.