04-17-2014 09:19 AM
43 12
tools
  1. shea-bird's Avatar
    my guess it uses a sensor that detects vibration/impact- which is prob located in that area good find.
    11-06-2013 03:05 PM
  2. heading4tomorrow's Avatar
    I tested it at store and it worked every time, except sometimes it turned back on right away but I think it may have something to do with the in-store demo software.
    The software also had problem with Home Icon not returning to Home.

    If it was impact/vibration, then it would turn on if you tap on the back or the body strong enough, but then again there is no power to the display when it is off, so there must be some other technology, maybe pressure sensor behind the screen for this feature only?
    11-06-2013 03:19 PM
  3. venious's Avatar
    It is ridiculous, but I find that once the double tap stops working consistently, a reboot fixes the functionality. LG?

    Posted via Android Central App
    11-11-2013 11:11 PM
  4. kicks's Avatar
    Thanks, I'll share this with my wife. She's still struggling with it while using the otterbox defender, but that seems to make her phone act strange regardless. Without the case it just works.
    11-13-2013 09:47 AM
  5. sbe's Avatar
    I just received my G2 yesterday and have been playing around with knock on/off. Knocking off works perfectly but seem to have a lot of trouble knocking on. Does being in the dark have any effect on this function? For example, if I have my phone in my jacket pocket, knock on will absolutely not work. As soon as I take it fully out and into some light, it will work. Does anyone else experience this?
    11-13-2013 04:09 PM
  6. VideoEngineerAJS's Avatar
    I just received my G2 yesterday and have been playing around with knock on/off. Knocking off works perfectly but seem to have a lot of trouble knocking on. Does being in the dark have any effect on this function? For example, if I have my phone in my jacket pocket, knock on will absolutely not work. As soon as I take it fully out and into some light, it will work. Does anyone else experience this?
    Yeah, the proximity sensor does have some play in everything as if you cover it when you try to knock on the screen it will turn right back off.

    Posted via Android Central App
    11-13-2013 04:36 PM
  7. mount.zed's Avatar
    Knocking near the bottom works better than in the middle of the screen. I found that knocking at the top where the notification center is works better than the bottom. (but that just could be me)
    11-17-2013 02:33 PM
  8. TAPPEDOUT59's Avatar
    I find that it has nothing to do with Knocking ! I just touch the screen anywhere 2X. Seems like it uses the digitizer too me, not the accelerometers.
    11-19-2013 12:12 PM
  9. thegadgeteur's Avatar
    Does Knock off only work on lockscreen? If so, that would explain why it doesn't work anywhere with the phone unlocked. If it's supposed to, well....
    12-03-2013 01:21 PM
  10. heading4tomorrow's Avatar
    Does Knock off only work on lockscreen? If so, that would explain why it doesn't work anywhere with the phone unlocked. If it's supposed to, well....
    It works on any screen by tapping on top notification section or home screen on any empty space or on lock screen anywhere.

    Sent from my LG-D800
    12-03-2013 01:43 PM
  11. JDigga99's Avatar
    Knocking near the bottom works better than in the middle of the screen. I found that knocking at the top where the notification center is works better than the bottom. (but that just could be me)
    +1 this.
    12-03-2013 01:55 PM
  12. billykac's Avatar
    I am with JDigga.
    Tapping in the notification area seems to work all the time.
    12-04-2013 07:41 AM
  13. jakemac93's Avatar
    Aha! It worked ! Thanks

    Posted via Android Central App
    12-04-2013 08:59 AM
  14. HalizDad's Avatar
    I think the phone goes into a deeper level of sleep after a bit. My knock on works great if I just turned it off, but if it's been awhile, I have to tap, pause, then double tap....Sometimes I have to tap 5 times to make it wake up.
    12-04-2013 09:46 AM
  15. techie5's Avatar
    Has anyone tried knock on/off with a live wallpaper they got from the play store and does it still work with it?
    Thanks
    12-06-2013 09:07 AM
  16. phonghuunguyen's Avatar
    I figured out the problem, for some reason its can change the knock on tapping speed and pressure.
    I have a large finger, before I can knock on and off with a quick 2 taps. Now I can only knock off but not on, for some reason my 9 months old son can knock on all the time when he play with the phone, so I tried to copy him, imagine you are trying to pet an ANTS but very slow 2 tap and very lightly, anywhere on the screen it work, look like he play with my phone and got the phone to register the way he tap to turn it on, its frustrating, I couldn't figure out how to set it back to normal.
    01-10-2014 07:05 AM
  17. Nora Kaneswaran's Avatar
    Mine used to turn on with any spot on the screen. It doesn't do it anymore
    01-27-2014 03:25 PM
  18. ayushbond220's Avatar
    For me it works just above the home screen buttons..
    04-17-2014 09:19 AM
43 12

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