Mobile communication terminal and method

1. A method for providing a user interface of a portable electronic apparatus, said method comprising:

detecting an actuation of a mode switch actuator, said mode switch actuator being capable of detecting at least two directional inputs;

determining a switching direction by determining whether said actuation is associated with a first switching direction or a second switching direction;

determining a current operational mode configured for using a first service provided over determining a new operational mode different from said current operational mode by considering said switching direction and said current operational mode, said new operational mode providing a user interface different from a user interface of said current operational mode; and

switching operational modes of said portable electronic apparatus from said current operational mode to said new operational mode.

2. The method according to claim 1 , wherein said determining a new operational mode includes:

determining said new operational mode as a next operational mode after said current operational mode in a predefined circular list of operational modes when said switching direction is determined to be said first switching direction; and

determining said new operational mode as a previous operational mode before said current operational mode in the predefined circular list of operational modes when said switching direction is determined to be said second switching direction.

3. The method according to claim 1 , wherein said current operational mode is associated with a first main user application and said new operational mode is associated with a second main user application, the first main user application comprising at least one of: cellular voice calls, www/wap browsing, cellular video calls, data calls, facsimile transmissions, music transmissions, still image transmissions, video transmissions, electronic message transmissions, and electronic commerce; the second main user application being different from the first main user application, the second main user application comprising at least one of: cellular voice calls, www/wap browsing, cellular video calls, data calls, facsimile transmissions, music transmissions, still image transmissions, video transmissions, electronic message transmissions, and electronic commerce.

4. The method according to claim 1 , wherein said switching operational modes includes presenting a user indication.

5. The method according to claim 4 , wherein said user indication comprises at least one user indication selected from the group consisting of a visual indication on a display of said apparatus, an audible indication and a tactile indication.

6. The method according to claim 4 , wherein said switching operational modes involves presenting an intermediate animation on a display before a screen for said new operational mode is displayed.

7. The method according to claim 4 , wherein said switching operational modes involves presenting an animation on a display, said animation comprising sliding a screen for said new operational mode in from a side.

8. The method according to claim 2 , wherein said predefined circular list of operational modes comprises three or more operational modes.

9. The method according to claim 8 , wherein said three or more operational modes include at least a phone mode, a media player mode and a radio mode.

10. The method according to claim 1 , wherein said switching operational modes involves switching a backlight for keys of said portable electronic apparatus from a first configuration to a second configuration.

11. A portable electronic apparatus having at least two operational modes comprising:

a mode switch actuator, said mode switch actuator being capable of detecting at least two directional inputs, and a controller, wherein:

said controller is configured to detect an actuation of said mode switch actuator and to determine a switching direction;

said controller is configured to determine a current operational mode;

said controller is configured to determine a new operational mode different from said current operational mode by considering said switching direction and said current operational mode, said new operational mode providing a user interface different from a user interface of said current operational mode; and

said controller is configured to switch operational modes of said portable electronic apparatus from said current operational mode to said new operational mode in response to a detection of an actuation of said mode switch actuator.

12. The portable electronic apparatus according to claim 11 wherein said portable electronic apparatus is a mobile communication terminal.

13. The portable electronic apparatus according to claim 11 , wherein:

said mode switch actuator is a slide key capable of being in a first directional position, a middle position and a second directional position, and

said slide key is biased to said middle position.

14. The portable electronic apparatus according to claim 13 , wherein said first directional position is associated with a first switching direction and said second directional position is associated with a second switching direction.

15. A portable electronic apparatus having at least two operational modes comprising:

a mode switch actuator, said mode switch actuator being capable of detecting at least two directional inputs;

a controller;

means for detecting an actuation of said mode switch actuator;

means for determining a switching direction of said actuation;

means for determining a current operational mode;

means for determining a new operational mode different from said current operational mode by considering said switching direction and said current operational mode, said new operational mode providing a user interface different from a user interface of said current operational mode; and

means for switching an operational mode of said portable electronic apparatus from said current operational mode to said new operational mode.

16. The portable electronic apparatus according to claim 15 , wherein said portable electronic apparatus is a mobile communication terminal.

17. A computer program product stored in a non-transitory computer-readable storage medium and comprising software instructions that, when executed in a portable electronic apparatus, performs the method according to claim 1 .

18. A user interface for a portable electronic apparatus having at least two operational modes, said user interface comprising:

a mode switch actuator, said mode switch actuator being capable of detecting at least two directional inputs, wherein:

said user interface is configured to detect an actuation of said mode switch actuator and to determine a switching direction of said actuation;

said user interface is configured to determine a current operational mode;

said user interface is configured to determine a new operational mode different from said current operational mode by considering said switching direction and said current operational mode, said new operational mode being different from said current operational mode;

said user interface is configured to switch operational modes of said portable electronic apparatus from said current operational mode to said new operational mode in response to a detection of an actuation of said mode switch actuator; and

said user interface is changed when said portable electronic apparatus is switched from said current operational mode to said new operational mode.