FOG_LIGHTS_STATE
What it is
Fog light state
Return the current state of fog lights.
If the car has both front and rear fog lights: If front and rear fog lights can only be controlled together: FOG_LIGHTS_STATE must be implemented. FRONT_FOG_LIGHTS_STATE and REAR_FOG_LIGHTS_STATE must not be implemented.
If the front and rear fog lights can only be controlled independently: FOG_LIGHTS_STATE must not be implemented. FRONT_FOG_LIGHTS_STATE and REAR_FOG_LIGHTS_STATE must be implemented.
If the car has only front fog lights: Only one of FOG_LIGHTS_STATE or FRONT_FOG_LIGHTS_STATE must be implemented and not both. REAR_FOG_LIGHTS_STATE must not be implemented.
If the car has only rear fog lights: Only one of FOG_LIGHTS_STATE or REAR_FOG_LIGHTS_STATE must be implemented and not both. FRONT_FOG_LIGHTS_STATE must not be implemented.
How the ID is built
A property ID is a 32-bit value packing four fields. Reading 0x11400e02 apart:
| Field | Mask | Value | Means |
|---|---|---|---|
| Group | 0xf0000000 | 0x10000000 | SYSTEM |
| Area | 0x0f000000 | 0x01000000 | GLOBAL |
| Type | 0x00ff0000 | 0x00400000 | INT32 |
| Ordinal | 0x0000ffff | 0x00000e02 | 0xe02 |
Reading it from an app
CarPropertyManager mgr = (CarPropertyManager)
car.getCarManager(Car.PROPERTY_SERVICE);
int value =
mgr.getIntProperty(VehiclePropertyIds.FOG_LIGHTS_STATE, 0);This property is read-only — writes are rejected. It fires a callback whenever the value changes.