Method for invoking application in screen lock environment

1. A method for invoking an application in a user equipment, the method for invoking an application comprises:

selecting at least one unlock application that is to be displayed on a Screen Lock screen among multiple applications;

comparing the number of unlock applications that are to be displayed on a Screen Lock screen, the number of unlock applications being selected by a user, and a number of pattern entry dots for unlocking the Screen Lock screen; and

displaying, based on the comparison result, an unlock application icon respective to each of the select at least one unlock application on the Screen Lock screen.

2. The method of claim 1 , further comprising:

receiving an additional input related to an unlock application icon that is to be added to the Screen Lock screen from a user; and

adding the unlock application icon that is to be added to the Screen Lock screen in accordance with the additional input.

3. The method of claim 2 , wherein the receiving an additional input related to an unlock application icon that is to be added to the Screen Lock screen from a user comprises:

providing a list of applications being installed in the user equipment to the user; and

receiving an input related to an unlock application that is to be added to the Screen Lock screen from the user, the unlock application being included in the list of applications.

4. The method of claim 1 , further comprising:

receiving a deletion input related to an unlock application icon that is to be deleted from multiple unlock application icons displayed on the Screen Lock screen from a user; and

deleting the unlock application icon that is to be deleted from the Screen Lock screen in accordance with the deletion input.

5. The method of claim 1 , wherein a Manifest file corresponding to each of the selected at least one unlock application comprises information indicating that an unlock application icon of the selected at least one unlock application is to be displayed on the Screen Lock screen.

6. The method of claim 5 , wherein the Manifest file comprises information related to a function that is available, among multiple functions being provided by the selected at least one unlock application, in case the selected at least one unlock application is selected in a Screen Lock environment.

7. The method of claim 5 , wherein the Manifest file comprises information related to a method for having the selected at least one unlock application control another device, in case the selected at least one unlock application is selected in a Screen Lock environment.

8. The method of claim 1 , wherein the displaying an unlock application icon respective to each of the select at least one unlock application on the Screen Lock screen comprises:

displaying the unlock application icon in an area of the Screen Lock screen excluding a PIN code entry area.

9. The method of claim 1 , wherein the displaying an unlock application icon respective to each of the select at least one unlock application on the Screen Lock screen comprises:

in case a number N of unlock applications that are selected by the user to be displayed on the Screen Lock screen is greater than a number M of unlock applications that can be displayed on the Screen Lock screen, selecting M number of unlock applications from the unlock applications selected by the user and that are to be displayed on the Screen Lock screen; and

displaying unlock application icons corresponding to each of the selected M number of unlock applications.

10. The method of claim 1 , further comprising:

receiving a selection of an unlock application icon corresponding to an unlock application displayed on the Screen Lock screen from a user; and

executing the unlock application corresponding to the selected unlock application.

11. The method of claim 10 , further comprising:

reading a Manifest file respective to the unlock application corresponding to the selected unlock application icon.

12. The method of claim 11 , wherein the Manifest file comprises information related to a function that is available, among multiple functions being provided by the selected unlock application, in case the selected unlock application is selected in a Screen Lock environment, and

wherein the executing the unlock application corresponding to the selected unlock application comprises:

not providing functions other than a function being designated as a function available to the Manifest file, among multiple function being provided by the selected unlock application.

13. The method of claim 11 , wherein the Manifest file comprises first information related to a method for having the selected unlock application control another device, in case the selected unlock application is selected in a Screen Lock environment, and

wherein the executing the unlock application corresponding to the selected unlock application comprises:

controlling the other device in accordance with the first information, the first information being stored in the Manifest file, in case the unlock application controls the other device.

14. As a method for invoking an application in a user equipment, the method for invoking an application comprises:

comparing a number N of unlock applications that are to be displayed on a Screen Lock screen, the N number of unlock applications being selected by a user, and a number M of pattern entry dots for unlocking the Screen Lock screen; and

based upon the compared result, displaying an unlock application icon corresponding to at least one unlock application on the Screen Lock screen, instead of displaying at least some of the M number of pattern entry dots.

15. The method of claim 14 , wherein the displaying an unlock application icon corresponding to at least one unlock application on the Screen Lock screen, instead of displaying at least some of the M number of pattern entry dots, comprises:

when the number N of unlock applications that are to be displayed on a Screen Lock screen, the N number of unlock applications being selected by a user, is equal to the number M of pattern entry dots for unlocking the Screen Lock screen, displaying unlock application icons respective to all of the selected N number of unlock applications.

16. The method of claim 14 , wherein the displaying an unlock application icon corresponding to at least one unlock application on the Screen Lock screen, instead of displaying at least some of the M number of pattern entry dots, comprises:

when the number N of unlock applications that are to be displayed on a Screen Lock screen, the N number of unlock applications being selected by a user, is equal to or smaller than the number M of pattern entry dots for unlocking the Screen Lock screen, selecting N number of pattern entry dots from the M number of pattern entry dots;

displaying unlock application icons respective to the N number of unlock applications on the Screen Lock screen, instead of the selected N number of pattern entry dots; and

displaying pattern entry dots at locations of M-N number of non-selected pattern entry dots on the Screen Lock screen.

17. The method of claim 14 , wherein the displaying an unlock application icon corresponding to at least one unlock application on the Screen Lock screen, instead of displaying at least some of the M number of pattern entry dots, comprises:

when the number N of unlock applications that are to be displayed on a Screen Lock screen, the N number of unlock applications being selected by a user, is greater than the number M of pattern entry dots for unlocking the Screen Lock screen, selecting M number of unlock applications from N number of unlock applications; and

displaying unlock application icons respective to the M number of unlock applications on the Screen Lock screen, instead of the M number of pattern entry dots.

18. The method of claim 17 , wherein the selecting M number of unlock applications from N number of unlock applications comprises:

selecting the M number of unlock applications based upon at least one of a registration date and usage frequency of the N number of unlock applications.

19. The method of claim 14 , comprising:

receiving a pattern input for unlocking the Screen Lock screen from the user; and

in case the pattern input passes through an unlock application icon displayed on the Screen Lock screen, the corresponding unlock application is displayed by replacing a pattern guide icon.