Patent attributes
A multitasking method of changing a state of an application changed to a background program of a lower priority to a freeze state which is a sleep mode or execute the application continuously in an unfreeze state which is an operation mode according to identification information, an activation state, etc. of the corresponding application to perform a multitasking operation and an electronic device therefor are provided. The method includes changing a first application program to a background program of a lower priority and executing a second application program as a foreground program of a higher priority and determining whether to change a state of the first application program changed to the background program to a freeze state which is a sleep mode or execute the first application program continuously in an unfreeze state which is an operation mode according to identification information of the first application program.