Database Users

[Q] G2 Screen Issues

Hello,
I've been having touch screen issues lately, since i rooted and switched to CM 6.1 a couple of weeks ago. The screen will work perfectly for a little while, but will inevitably stop responding. I'm using launcherpro, though i don't believe that's the issue- it happens regardless of which launcher I'm running (I've tried others and experienced the same issue. The optical scroll pad will still "sort of" work- better than the screen (which will respond to the occasional touch after the problem begins, but barely does). If I reboot, the problem will usually go away for a while again, but will recur. I wind up needing to fix the issue once or twice a day. I don't think it's a hardware problem because the reset fixes it, so I assume it is then software. Also, i don't remember having this problem with the stock rom. Has anyone else experienced this, or does anyone have any ideas?
Thanks!

Dunno how useful this will be, but have you tried reflashing CM?
Sent from my T-Mobile G2 using XDA App

Same problem here. But I've noticed sometimes if I'm using the phone not in my hand (on car dock or just on table) this problem seems to happen more...but when I hold it in my palm then works fine.
But sometimes it just becomes unresponsive. Am running virtous's rom on my g2. But I can remember having the same issue when running cm on my g1 days too. Reboot always fixed it, just gets annoying.
Anyone have fixes to this? Thanks!!
Sent from my HTC Vision using XDA App

I personally use GV 7 or sparksmod and. Never had a problem, these are the best roms I think for this phone.
Sent from my HTC Vision using XDA App

Been having this exact problem for weeks now. And I believe it is a hardware problem, probably some sort of short in one of the ribbon cables or the digitizer itself. Occasionally, actually 85% of the time I'd try to open an apparently and the phone would act if I held my finger down and then the apparently icon gets selected...very annoying cus it happens over and over a couple times, all I can do is keep trying until it does what its supposed to. Also with the on screen keyboard when I'm texting it'll act like I'm holding down on one of the letters and keeps bringing up the special characters to that letter...or ill tap delete to delete a spelling error and it'll end up holding it down and deleting my whole damn text and I can't stop it.
At first when this first started happening I could simply tap the screen and it would stop the crap it was doing and work fine. As time went on I noticed I kept having to hit it harder and harder for it to correct it. Wellllll guess what? Last night it was acting up horribly and I slammed my closed hand against it while it was on the desk and it cracked the LCD screen and now the phone is completely useless, even though the outer touchscreen is perfectly fine.
The restarting of the phone also usually fixed it for me as well but only for a few minutes.. which also makes me think its a short because after the phone is turned off whatever part is shorting out, that circuit is closed and just takes time until you press on the screen in whatever spot to cause the two parts to touch and create the short all over again.
Anyways that's my story...just don't get angry and slam down on the screen lol. This is my 2nd G2 and I'm tired of it, probably just going to get a nexus s or just go back to the nexus one, atleast it was reliable.

huh28 said:
Same problem here. But I've noticed sometimes if I'm using the phone not in my hand (on car dock or just on table) this problem seems to happen more...but when I hold it in my palm then works fine.
But sometimes it just becomes unresponsive. Am running virtous's rom on my g2. But I can remember having the same issue when running cm on my g1 days too. Reboot always fixed it, just gets annoying.
Anyone have fixes to this? Thanks!!
Sent from my HTC Vision using XDA App
Click to expand...
Click to collapse
if you open the battery cover u can see that there are connectors that closes the whole circuit, so when u are holding the phone the back cover works like a grounding area that makes the screen responce to your touch. Acapacitive screen works like this: when you touch in any area on the screen, you simply are breaking the electrical field that the screen has, the screen "feels" where u break it and tells the operating system.
the electrical field depends on the human body a bit to make the circuit complete, so when u touch the metal parts of the phone, the screen works like it is designed.

faulty touch screen on google io tab?

Hey guys,
I was writing an app today and I was having trouble when pushing two buttons at once. I checked it out with Multitouch Vis Test and the same problem occurs.
What happens is that I touch in two places, then take one of the two fingers off. The tab believes that both fingers are still touching until the second finger is removed. This is quite frustrating. Has anyone else noticed this issue?
Hopefully this is just a software issue but I have a feeling it could be a problem with the touch screen itself.
I'll upload a video when I get home.

I tested with mine. I used Multitouch Visualizer and I was able to get up to 10 fingers simultaneously. It would also update correctly when I removed only one of them, six of them, whatever. Sounds like something is wrong with yours my friend.

Curious because mines on the way... Since these were given out free, does Samsung still provide warranty coverage as if the tab were a retail purchase?

in3rtia said:
I tested with mine. I used Multitouch Visualizer and I was able to get up to 10 fingers simultaneously. It would also update correctly when I removed only one of them, six of them, whatever. Sounds like something is wrong with yours my friend.
Click to expand...
Click to collapse
Same here...had me worried for a bit there.
Sent from my GT-P7510 using XDA Premium App

[Multitouch] Wrong recognition

Hey guys I always knew that multitouch on HD2 isn't pefect at all, but now I noticed a peculiar behavior which I was not aware (tnx to ICS)...
enabling a function in developer settings to show pointers position I discovered that multitouch is working in a wrong way.
When you put the second finger over the screen it is recognized correctly but when you move it close to the same axis of the first one (both vertical and horizontal axis), it automatically get aligned on the same abscissa or ordinate (depends which axis was closer) even if the fingers are not aligned.
This is frustrating when I use some apps that take advantage of multitouch, such as games or emulators, because while I'm pressing a key on the screen and I need to press another one on the opposite side, but not perfectly aligned, I get a wrong recognition and often I press another key or a blank space.
I hope I was clear, but to understand better the problem you should activate that function in developer settings and try yourself.
Please give me a hope to think it is a solvable problem... maybe with a better driver :fingers-crossed:

That's just the screen I'm afraid. I've had the same issue with every ROM I've tried, and there's nothing you can do to solve it. At the very least, it's nice for me to hear some confirmation that I'm not the only one who experiences this.

Nigeldg said:
That's just the screen I'm afraid. I've had the same issue with every ROM I've tried, and there's nothing you can do to solve it. At the very least, it's nice for me to hear some confirmation that I'm not the only one who experiences this.
Click to expand...
Click to collapse
I read around the forum that HD2 has hardware capabilities, so I think we need to get better input driver

The hardware doesn't support more than 2 points, and it does this rather poorly too. It's not so bad when using things like pinch to zoom or using two fingers to turn the map in Google Maps but when gaming it can be a bit of a pain. There's no driver that can increase the number of points the HW can support (if there was one then surely it would already have been implemented in Android) so afaik there's genuinely nothing that can be done about this. If there is, I'm sure someone will correct me soon.

It's a known issue and we can do nothing about it because of not so good touchscreen. Hardware problem, you know. It's present in every OS and in every ROM. For gaming I'd recommend getting a PS3 controller or using OTG cable and some other gamepads, like the X360 one.

Spaqin said:
It's a known issue and we can do nothing about it because of not so good touchscreen. Hardware problem, you know. It's present in every OS and in every ROM. For gaming I'd recommend getting a PS3 controller or using OTG cable and some other gamepads, like the X360 one.
Click to expand...
Click to collapse
Maybe you're right, an external controller is the best choice, but I don't want to bring with me other accessory when I'm outside... for the wrong recognition I think it's just driver fault because the problem is software side. When I use one finger is really precise the issue is when I try to use two fingers, because the driver is written wrong and read a fake position

Maybe this makes things a bit clearer. http://www.tactyl.com/fr/telecharger/39-drivers
Back in the days, there weren't that many "multitouch" apps out there for android.
If you look at the nexus one, it's even worse. http://www.youtube.com/watch?v=5puAvPqXpuc
From reading one of the booklets that came with the HD2 it all comes down to single-touch and a pinch-to-zoom gesture which both work most of the time.
Some people who developed emulators at that time, tried to avoid this "autoalignment" by putting the pads in opposite corners.
While still many people don't know that pressing on the edge of the screen, of the HD2, with at least one finger can cause
a swap in the y-axis once the second input is on the screen. (almost like in the nexus one video)
In very good light you can see this "edge-area", it's about ~4mm thick on each edge.
You can always download MVT and test it yourself. https://play.google.com/store/apps/details?id=com.batterypoweredgames.mtvistest&hl=en
Some time ago tatsumaki made a decent virtual gamepad for fpse which got rid of the alignment by incorporating it in the way he/she arranged the buttons and button mask.
No one is going to fix this by a new driver,
End of story.

[Q] Broken Screen Challenge

Hey guys,
So I've been loving the crap out of my nexus 4... that is, until a random stranger on a crowded subway knocked it out of my hands as I was taking it out of my pocket. So the front of the screen is messed up pretty bad glass-wise; the lcd works fine but the digitizer is messed up so I can't use the touchscreen at all.
I'm going to have to shell out on a new screen soon, but I'd like a workaround in the meantime. I figured if I could get a bluetooth mouse connected I could at least navigate around my phone, but of course I need to use the touchscreen to pair with the mouse. Or maybe not, that's why I'm posting.
Can it be done? Through adb or some other means, could I pair a bluetooth mouse without using the phone directly? The only method I could think of might be to pull the bluetooth address config file and insert the MAC address of the mouse into it to potentially trick the phone into thinking it had already paired with it. Does that make sense? Even if it does, I'm most likely going to need some guidance in figuring out how to actually pull it off.
Let me know if it can be done somehow, and thanks! :fingers-crossed:

should have knock the guy out and drop his phone...sound like a fair deal...eye for an eye
Sent from my Nexus 4 using xda app-developers app

pak-stars said:
should have knock the guy out and drop his phone...sound like a fair deal...eye for an eye/QUOTE]
Ha ha maybe I would've, but the station was so busy that I couldn't tell who bumped into me... It was on an inclined walkway so the phone actually slid away from me by a few feet, by the time I got it whoever did it was long gone
Click to expand...
Click to collapse

Use the play store webside to load a remote desktop app on it so you can take over it's screen (assuming those apps exist and it's not stuck at the PIN entry screen)

I haven't found any screen sharing/control apps that don't require me to use the phone to generate a code/url, but I'll keep looking

well I figured it out... for future reference you can use the input keyevent lines to navigate around the phone. It's a bit tedious but it's only until I connect it to a bluetooth mouse

Nvidia Shield TV controller help

Is there a way to set the dead zone ? My left stick keeps moving up and I just can't stop it. It's really annoying. Thanks

Does your Shield TV have a warranty?

The Shield 7.0 upgrade release notes say you'll be able to adjust the dead zones. We just have to wait for it.

Warranty ran out a while back. That's awesome Nvidia putting that in the update. I was think I had to do something crazy like hold the nvidia button , right trigger push up on the joystick hold my left foot up in the air and shake my right hand while hopping on my right foot to get to the setting. Thanks you. XDA has the best people.

zuke66 said:
Warranty ran out a while back. That's awesome Nvidia putting that in the update. I was think I had to do something crazy like hold the nvidia button , right trigger push up on the joystick hold my left foot up in the air and shake my right hand while hopping on my right foot to get to the setting. Thanks you. XDA has the best people.
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Click to collapse
I had the same problem. Only solution I found was to flash the OS using the official images, which requires a usb a to usb a cable.
Once I did that, wiped out bootloader and everything, the controller works fine.

I ended up taking apart the controller clean it with contact cleaner and it seems to be working fine now. Thanks everyone for all your help and ideas