1. A system, comprising: one or more processors configured to: provide an interface to configure one or more preset non-contact screenshot gestures; obtain, from a non-contact gesture identifying sensor associated with a device, a plurality of position points associated with an object's non-contact gesture movement corresponding to respective ones of a plurality of sampling times; and determine that the object's non-contact movement comprises one of the one or more preset non-contact screenshot gestures based at least in part on the plurality of position points meeting a condition associated with the one of the one or more preset non-contact screenshot gestures; and generate a screenshot in response to the determination that the object's non-contact gesture movement comprises the one of the one or more preset non-contact screenshot gestures; and one or more memories coupled to the one or more processors, the one or ore memories configured to provide the one or more processors with instructions.