Knock On...sometimes good/bad response - G2 Q&A, Help & Troubleshooting

Why?
I mean... sometimes it response on two knocks and sometimes i need four or more....
Have you seen the same ?

Yep, it's pretty normal.
I assume with it being a new feature it's not properly optimized properly if thats right word for it.
If LG get their ass into gear we may see a fix for it. And I mean IF.

No, but i have noticed a trick with it. If you put your hand over the top area of the screen, and then try to knock on. It will not work no matter what until you move your hand. I believe it is a sensor.
Sent from my LG-D801 using xda app-developers app

Try slow double tap or fast triple tap, it goes better for me

Try it at center of your screen
Sent from my LG-D802 using xda app-developers app

I feel if you "face" the device and tap it works all the time.

I have noticed the same thing across the top bar. I thought it was the camera controlling it, but it is just that my finger was barely on the screen itself. So far a great feature!!
-Matt

Yes the feature is one of the reasons I bought the G2. I'm always thinking I'm going to wear out the power button. LoL
Sent from my LG-D801 using xda app-developers app

tapping at the top of the screen where the status/notification bar would be works 100% of the time. at least for me.

I knock 3x. Works all the time

Thanks for the double at the top of the screen hint - works great now

What's worse is accidentally switching on the screen by simply handling the phone and it recognizing your "handling" as knock ons.

Yes, the proximity sensor will keep it from working. Since i have been more aware of this it works much better. Even if i have the phone in landscape and have my thumb on the slightest edge of the screen it will not work. U dont have to be over it. Just close will keep it from working.
Sent from my VS980 4G using xda app-developers app

Related

Home button

Does anyone else dislike the home button? I really find this a step backwards.
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Nope! I like the physical home button.
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bighulk666 said:
Nope! I like the physical home button.
Sent from my SGH-T999 using xda premium
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Same here. I was a little worried about it before my phone was delivered because of what one of the reviews I read had to say about it, but I am pleased with it.
*Sent from my Galaxy to yours through tapatalk
If you had a i9100 or a i9000 you are used to it. Its nice double clicking it brings out s voice. Then double clicking menus opens search.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
I like it... Coming from the Epic, its taking a bit to get use to it. The simple touch to get home was nice too. I want my Camera button back. lol and Keyboard.
a454nova said:
I like it... Coming from the Epic, its taking a bit to get use to it. The simple touch to get home was nice too. I want my Camera button back. lol and Keyboard.
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I also like the Home button. I like holding it down to get the task manager with whatever is running. I can easily remove any apps by swiping them off to the side. (for those few who didn't know)
But, you don't need a physical button to get the camera going. It takes a bit of practice but here's the trick - starting from the locked screen (visible) - with your thumb in the middle of the screen hold the phone in the portrait position then rotate to horizontal. The camera should pop up instantly.
it does work.
Coming from the S2 it takes some getting used to but its growing on me.
Sent from my SGH-T999 using xda premium
i like the home button it works nice for me
Has anyone noticed a definite lag when you press the home button before it returns to home screen? I disabled double click to open S-voice and it seems to have become slightly faster, but you can still notice a lag before the home screen shows up.
Coming from the Galaxy Nexus it was s ***** at first but I have grown used to it though but......soft keys>>>>> hard keys
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Well, I guess I need to keep giving it a chance. I'm just used to having to barely press it. With the case on it seems harder to get to.
Sent from my SGH-T999 using xda premium
avishek_32 said:
Has anyone noticed a definite lag when you press the home button before it returns to home screen? I disabled double click to open S-voice and it seems to have become slightly faster, but you can still notice a lag before the home screen shows up.
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Disable S-Voice's double-tap-home shortcut in the S-Voice settings. It's instant after that. You won't be able to launch S-Voice by double tapping home though.
Personally I would prefer more screen real estate and have the digital soft keys like on the Galaxy Nexus. by doing this they could have either provided more screen or made the overall size of the phone slightly shorter.
It's my only complaint. After having a Transformer Prime and getting used to a capacitive home button, it really is a hassle.
Coming from the Samsung vibrant, I didn't like the idea of it at first because I was use to the soft keys and the s3's physical home button reminded me of the vibrant's international version (I9000).
But now that I actually have the phone, I love it. Just takes some time to get use to, depending on your preference or your previous phone.
Sent from my SGH-T999 using xda app-developers app
Coming from the Evo 3D, it's definitely annoying but I'm getting used to it. Honestly, I wish they removed capacitive buttons, made the screen bigger and went for software buttons like the Galaxy nexus. That way it's much more customizable and gives you extra screen space when you dont use the bottom buttons.
Annoyed
It is a shame. My finger is tired!
Captivate had 4 capacitive buttons.
Considering how good and responsive capacitive buttons got on SGS3 - it is hard to justify physical home button, and it can break too. Suxxxx.
I dont mind it at all
I like the home button. I just hope it holds up for 2years.
Sent from my SAMSUNG-SGH-I747 using xda premium
Love the Home button. Coming from an iPhone 4S I am used to the physical button. The biggest plus for me is waking the phone up. I find it very awkward to press the side power button to do that instead of quickly locate the physical button right on the face of the device. Also the double tap and single tap and hold works good.

Defective S4?

Hi guys, I just got a brand new S4 from Rogers and while playing around with the phone I noticed some of the features weren't working properly. One of them was the palm gestures settings. I tried some many times to get the Screen shot and Play/Pause features to work but it failed. And another problem that I encountered was the gyroscope sensor. As you can see in the screenshot, the ball doesn't move at all even when the phone is standing up. So do I have a defective S4?
Sent from my SGH-I337M using xda app-developers app
When I'm in that screen my ball stays in the center also
Nick0703 said:
Hi guys, I just got a brand new S4 from Rogers and while playing around with the phone I noticed some of the features weren't working properly. One of them was the palm gestures settings. I tried some many times to get the Screen shot and Play/Pause features to work but it failed. And another problem that I encountered was the gyroscope sensor. As you can see in the screenshot, the ball doesn't move at all even when the phone is standing up. So do I have a defective S4?
Sent from my SGH-I337M using xda app-developers app
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That screen is supposed to "calibrate" the gyroscope so it make sense that it doesn't move. You are essentially teaching it where perfectly centered is. In order to do that, you have to lay it on a surface that is perfectly centered. If you lay it on a surface that is not perfectly centered and press it, it will be off. I haven't messed with mine yet, but it seems that is the way it would be.
_Dennis_ said:
When I'm in that screen my ball stays in the center also
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That's weird because on my S1 the ball moves around. But what about the palm features? Do they work for you?
Sent from my SGH-I337M using xda app-developers app
Nick0703 said:
That's weird because on my S1 the ball moves around. But what about the palm features? Do they work for you?
Sent from my SGH-I337M using xda app-developers app
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Screen shot does. Not sure of the others
All work for me. Just have to get used to how to use the gesture. That calibrate screen doesn't move, it's only meant for Calibrating

Touchscreen way too sensitive

Has anyone noticed that the screen on this phone is way too sensitive? Mine goes as far as to register a touch when I hold my finger a few millimeters away. This results in accidental double presses and is very frustrating especially when typing. I even made sure the high sensitivity setting was off.
When in Camera mode, it even snaps photos by itself without my finger anywhere near the shutter button.
Any tips?
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Nobody else with this issue? I'm debating whether to exchange this phone for another s4 or just trade it for an HTC one at this point.
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makks said:
Nobody else with this issue? I'm debating whether to exchange this phone for another s4 or just trade it for an HTC one at this point.
Sent from my SAMSUNG-SGH-I337 using xda premium
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Have you tried turning off AirView?
There is a mode you need to turn off which makes it more sensitive. For winter and gloves.
Sent from my SAMSUNG-SGH-I337 using xda app-developers app
Use voice in camera like: SHOOT
netsyd said:
Have you tried turning off AirView?
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Turned off air view and all other superfluous Samsung gimmicks.
Sent from my SAMSUNG-SGH-I337 using xda premium
I'm not having that problem. If you like the phone, warranty it out. That's not normal.
Sent from my SAMSUNG-SGH-I337 using Tapatalk 4 Beta
Could your setting "high touch sensitivity" under display settings be turned on? Also for the camera, could it be you are saying things similar to cheese or smile or shoot?
Sent from my SGH-I337M
enigma4321 said:
Could your setting "high touch sensitivity" under display settings be turned on? Also for the camera, could it be you are saying things similar to cheese or smile or shoot?
Sent from my SGH-I337M
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As stated in OP I had made sure that the hi sensitivity option is off as well as any other convenience features.
As for the camera, I have been in windy conditions when this was occurring, so maybe it was thinking I was giving voice commands. But I had all of that turned off as well, so I'm not sure what the deal is.
I will probably revert to factory settings again before returning the phone to make sure it's not a software issue.
I think that Samsung went a little overboard with the touchscreen on this phone. I do not like the fact that everything can be used to touch the screen. What I actually liked about my iPhone 4s was that it was picky about only recognizing fingertip touches.
Great phone overall but this issue sadly ruins it for me. I do not want to go back to iOS so I think HTC One is the only other strong competitor.
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makks said:
As stated in OP I had made sure that the hi sensitivity option is off as well as any other convenience features.
As for the camera, I have been in windy conditions when this was occurring, so maybe it was thinking I was giving voice commands. But I had all of that turned off as well, so I'm not sure what the deal is.
I will probably revert to factory settings again before returning the phone to make sure it's not a software issue.
I think that Samsung went a little overboard with the touchscreen on this phone. I do not like the fact that everything can be used to touch the screen. What I actually liked about my iPhone 4s was that it was picky about only recognizing fingertip touches.
Great phone overall but this issue sadly ruins it for me. I do not want to go back to iOS so I think HTC One is the only other strong competitor.
Sent from my SAMSUNG-SGH-I337 using xda premium
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I am having the same problem as you. I can type without actually touching the screen. Now that I know it isn't normal, I guess I'll swap it for a new one...

Knock-on sometimes unresponsive

Does anyone else have the problem that sometimes your phone requires some real *****-slapping to wake up via knock on? Sometimes it wakes right up but most if the time I have to knock five or six times.
I've tried knocking at different locations and at different intervals but I can't figure out the trick.
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AirDiamond said:
Does anyone else have the problem that sometimes your phone requires some real *****-slapping to wake up via knock on? Sometimes it wakes right up but most if the time I have to knock five or six times.
I've tried knocking at different locations and at different intervals but I can't figure out the trick.
Sent from my VS980 4G using xda app-developers app
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Me too lol
Sent from my LG-LS980 using Tapatalk
I just taptaptap till it wakes up. But sometimes it will wake and then screen off instantly from multiple taps.. Strange..
Sent from LG-LS980
bearsblack said:
I just taptaptap till it wakes up. But sometimes it will wake and then screen off instantly from multiple taps.. Strange..
Sent from LG-LS980
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I don't have problems with knock on at all. In my case I've found that taping really quickly actualy reduces the sucess rate. Try moderae taps at stedy paste. Also if you cover proximity sensor it won't work. My guess is that it's a "pocket safety" feature to prevent self wake up.
A little bit of practise and you'll get there
No problem at all here, just like double-clicking a mouse:highfive:
but from my experiment, the center area is more responsive than the side, try it with light tap
Hi guys noob question here: I don't have any problems with knock knock but I thought there is supposed to be a knock sound when taping on phone? I can't figure out how to enable the knock sound..can someone help? Thanks
Sent from my LG-D800 using xda app-developers app

Knock on

Sometimes my knock on doesn't work. I end up tapping the screen 5-10 times to get it to come on. Anyone else having this issue?
Sent from my LG-LS980 using xda app-developers app
Corylsu said:
Sometimes my knock on doesn't work. I end up tapping the screen 5-10 times to get it to come on. Anyone else having this issue?
Sent from my LG-LS980 using xda app-developers app
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I usually have to tap like the exact same spot
And make sure you don't cover the proximity sensor
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Corylsu said:
Sometimes my knock on doesn't work. I end up tapping the screen 5-10 times to get it to come on. Anyone else having this issue?
Sent from my LG-LS980 using xda app-developers app
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Strangely enough, I found how hard I knock matters to whether it works our not. I had the same issue with knocking 5 - 6 times until I lightened my touch.
YMMV
Sent from my LG-D800 using xda app-developers app
datechnerd said:
I usually have to tap like the exact same spot
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On your second tap, hold it on the screen for a millisecond longer.
I just hold my screen and shake my phone and it turns on
xdafoundingmember said:
I just hold my screen and shake my phone and it turns on
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What are you using for that?
I too have noticed hard taps ate a bit more unresponsive. Mines perfect with quick ready doubletap.
On your second tap, hold it on the screen for a millisecond longer.
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This actually helped. For months the Knock On feature worked smoothly, as did the Off feature. Suddenly it stopped working so well. I had to tap very precisely and slowly, even then it was hit or miss. Better now. Off isn't an issue because I use Nova launcher gesture with Screen Off. Is there any way to adjust the sensitivity of the proximity sensor?

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