Used as an int extra field in Intent.ActionDockEvent intents to request the dock state. Possible values are Intent.EXTRA_DOCK_STATE_UNDOCKED, Intent.EXTRA_DOCK_STATE_DESK, or Intent.EXTRA_DOCK_STATE_CAR, or Intent.EXTRA_DOCK_STATE_LE_DESK, or Intent.EXTRA_DOCK_STATE_HE_DESK.