METHOD FOR REDUCING BATTERY CONSUMPTION ON BASIS OF USER'S USAGE PATTERN AND APPARATUS THEREFOR

Provided is a device including a user input unit configured to receive a user input from a user; an output unit configured to output information, based on the user input; and a controller configured to, when the user input is not received, determine whether or not an out-focus status, in which the user does not use the device, has started, to determine, when it is determined that the out-focus status has started, a period in which the out-focus status is to be maintained, based on information about a probability of the out-focus status according to a context of the device, and to stop, when the period in which the out-focus status is to be maintained is equal to or greater than a reference time period, an operation of an application executed in the device.