Vehicle properties
Engine & powertrain
ENGINE_IDLE_AUTO_STOP_ENABLED
What it is
Represents feature for engine idle automatic stop.
If true, the vehicle may automatically shut off the engine when it is not needed and then automatically restart it when needed.
This property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only.
How the ID is built
A property ID is a 32-bit value packing four fields. Reading 0x11200320 apart:
| Field | Mask | Value | Means |
|---|---|---|---|
| Group | 0xf0000000 | 0x10000000 | SYSTEM |
| Area | 0x0f000000 | 0x01000000 | GLOBAL |
| Type | 0x00ff0000 | 0x00200000 | BOOLEAN |
| Ordinal | 0x0000ffff | 0x00000320 | 0x320 |
Reading it from an app
CarPropertyManager mgr = (CarPropertyManager)
car.getCarManager(Car.PROPERTY_SERVICE);
boolean value =
mgr.getBooleanProperty(VehiclePropertyIds.ENGINE_IDLE_AUTO_STOP_ENABLED, 0);This property can be read and written, though an OEM may implement it as read-only. It fires a callback whenever the value changes.