Thread: Slide 2 Answer
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Helmuth is offline Helmuth
2011-03-24 , 12:55
Posts: 1,259 | Thanked: 1,341 times | Joined on Oct 2009 @ Germany
#16
Originally Posted by ejasmudar View Post
This will NEVER be implemented as in a Touch Screen device, this exactly is the purpose of the proximity sensor: to disable the screen while the proximity sensor is covered, eg while in pocket. If proximity sensor was disabled, when the phone rings, the screen would lit up and the buttons would get pressed automatically.

Also, your problem is not caused due to delayed proximity sensor. IMO, it is due to delayed drawing of UI elements on screens, possibly due to high CPU load.
No, thats not true! The proximity sensor disables the screen as soon as you hold the phone near your face / ear.
The abuse to use it to lock the screen in the pocket is only a dirty workaround. If you want to use it for this case you will need at minimum 4 proximity sensors at each corner of the screen to ensure the screen is really not covered while pulling it somewhere out.
The delay was introduced because of this in the last fix. But it doesn't fix the main problem. The phone unlocks the touchscreen itself. And the proximity sensor is the only sensor signal the N900 is able to evaluate if it is a good moment to unlock or not.

There are very good reasons why iOS, Android und even Symbian are using slide to answer if the screen was locked before. The proximity sensor has a other purpose.

Please see the Bug report for additional informations: Bug 5982
 

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