Portable electronic device including touch-sensitive display and method of determining when to turn off the touch sensitive dispay
A method of controlling a portable electronic device includes detecting a touch on a touch-sensitive display, adjusting a first threshold based on detected conditions during the touch, comparing a value related to the touch on the touch-sensitive display to the first threshold, and when the value related to touch meets the first threshold, turning off the display.
1. A method comprising:
detecting a touch on a touch-sensitive display of a portable electronic device;
maintaining a first threshold size value for comparing to a contact area value for the touch on the touch-sensitive display;
in response to detecting the touch:
adjusting by increasing or decreasing the first threshold size value based on at least two of:
a time duration during which the touch is detected by the touch-sensitive display and touch contact is maintained on the touch-sensitive display;
an audio level detected at a microphone of the electronic device;
a level of audible noise detected at an active leak microphone of the electronic device;
a light level detected at a light sensor of the electronic device;
comparing the contact area value for the touch to the first threshold size value; and
when the contact area value for the touch meets the first threshold size value, turning off the touch-sensitive display.
2. The method according to claim 1 , wherein detecting comprises determining that the touch is a face touch when the value meets the first threshold size value.
3. The method according to claim 1 , comprising accepting input when the contact area value does not meet a second threshold, prior to adjusting the first threshold size value.
4. The method according to claim 3 , wherein the second threshold is lower than the first threshold size value.
5. The method according to claim 1 , wherein adjusting the first threshold is carried out in response to determining that the contact area value for the touch meets a second threshold prior to adjusting the first threshold size value.
6. The method according to claim 1 , comprising accepting the touch as a touch input when the contact area value for the touch does not meet a low threshold, prior to adjusting the first threshold size value.
7. The method according claim 1 , comprising entering an active phone call prior to detecting the touch on the touch-sensitive display.
8. The method according to claim 1 , comprising turning off a display wake-up that is responsive to touches detected on the touch-sensitive display in response to determining that the contact area value for the touch meets the first threshold.
9. The method according to claim 1 , wherein adjusting the first threshold size value comprises adjusting the first threshold size value based on an accuracy level of the touch-sensitive display when the touch is detected.
10. The method according to claim 9 , wherein the first threshold size value is decreased when the accuracy level is approximate.
11. The method according to claim 9 , wherein the first threshold size value is increased when the accuracy level is accurate.
12. The method according to claim 1 , wherein adjusting the first threshold size value comprises lowering the first threshold size value when the time during which touch contact is maintained meets a time threshold.
13. The method according to claim 1 , wherein adjusting the first threshold size value comprises lowering the first threshold size value when the audio level meets an audio level threshold.
14. The method according to claim 1 , wherein adjusting the first threshold size value comprises increasing the first threshold size value when the level of noise detected at the active leak microphone meets a threshold level.
15. The method according to claim 1 , wherein adjusting the first threshold size value comprises decreasing the first threshold size value when the level of noise detected at the active leak microphone does not meet a threshold level.
16. The method according to claim 1 , wherein adjusting the first threshold size value comprises decreasing the first threshold size value when the light level does not meet a light level threshold.
17. The method according to claim 1 , wherein adjusting the first threshold size value comprises increasing the first threshold when the light level meets a light level threshold.
18. The method according to claim 1 , wherein adjusting the first threshold size value comprises adjusting based on an input from an accelerometer of the portable electronic device.
19. A non-transitory computer-readable medium having computer-readable code embodied therein, the computer-readable code executable by a processor of the portable electronic device to perform the method according to claim 1 .
20. An electronic device comprising the touch-sensitive display and a processor operably coupled to the touch-sensitive display and configured to perform the method of claim 1 .