1. A method, comprising: obtaining a motion reading from one or more motion sensing devices of a mobile device; detecting a gesture event based on the motion reading, including determining that the motion reading indicates that the mobile device moves towards a target object in one or more specified fashions; detecting a proximity event, including obtaining a proximity reading from a proximity sensor of the mobile device, the proximity reading indicating that the mobile device is located proximate to an object; determining, based on the gesture event and the proximity event, that the mobile device has moved to a location proximate to the target object; and then performing a task in response.