[Q] Can't scan QR codes - Fascinate Q&A, Help & Troubleshooting

I'm running KB 2.0. Recently I've discovered that I cannot successfully scan QR codes using Barcode Scanner anymore. I can't say for certain when it stopped working, but it could have been when I installed KB 2.0.
The Barcode Scanner app launches just fine and opens the camera view. But it seems unable to get a clear image; it keeps trying to focus, but the image stays blurry. I got some improvement by enabling auto contrast in the camera app (previously the image was also very washed out), but it's still unable to focus.
Has anybody else seen similar behavior? Any ideas?

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Geotagging and gps issues with 2.2 update

So I recently updated to 2.2 with samsungs update. I took some pictures and noticed in my gallery that they had location info. I can't seem to find that option to turn it off under the camera settings anymore. Anybody know a way around this? Also my gps has been slow to lock since I updated from ji6 to this. Has anyone else had that problem
Sent from fail phone using Tapatalk!!
To turn it off.. settings>location and security> and then uncheck use wireless networks.
yeah, i'm looking for an option other than having to shut off gps everytime i take a picture. it just sucks that there is no longer an option to control exif data

Geotagging not working on Xperia Z2?

Hi folks,
Does anyone else have problems with geotagging on their Z2?
I have location enabled in settings and I can even see that Camera app has been making a request with "high battery use" which should mean that it includes cell, wifi and gps for the location, but when I look at my photo there is no information on where it was taken.
Then I can "tap to set location", which offers me a map of the world centered over Ireland (I'm using English/Ireland settings), but I live in Luxembourg, and even if it centered over Luxembourg it would not be very helpful.
I think the first photo I took was geotagged but I've deleted it since it was just a test photo. Now that I have a few photos on my system I can see that they're all missing geolocation information!
Anyone else having this?
Well, I did some more testing yesterday, and it seems that geotagging starts after you take a photo and that you need to keep the application running in order to have the data.
This means that if you start the camera, take a photo and lock the phone again (which is how I always use it) you won't get any geolocation tag. If you however take the photo and then hold the phone in your hand while a tiny little icon flashes around the bottom right corner, eventually that icon will change and the phone will set the geolocation correctly. Seems pretty idiotic to me, but maybe I just expect too much from a phone that's several generations ahead of what I've been using previously.
In Xperia V LT25i / Android 4.1.2 camera app just after launching displays satellite symbol with radio waves, and after 10-30seconds when phone get its position, this symbol changes to pine symbol - from now, all photos will have geotag.
Some old phones, like SE K300/K800 displayed city or even street name at home screen, based on informations get from GSM towers. Is it possible, to change geotagging mechanism, to use data only from GSM towers (faster and working indoors, but not precise) not from GPS?

[Q] Nexus 9 Bug Screen Rotation?

Sorry for my bad English
Then my Nexus 9 does not rotate the screen, only at the beginning or just turned on for a few minutes after setting Automatic Rotation ... Also, if you start from a Movie Play Video forcing the rotation when out of the movie screen is in landscape and there is no way to get it back upright unless restarting ... Solutions?
I have already restored twice, but remains ...
ReivITA said:
Sorry for my bad English
Then my Nexus 9 does not rotate the screen, only at the beginning or just turned on for a few minutes after setting Automatic Rotation ... Also, if you start from a Movie Play Video forcing the rotation when out of the movie screen is in landscape and there is no way to get it back upright unless restarting ... Solutions?
I have already restored twice, but remains ...
Click to expand...
Click to collapse
i have the same issue.
after some testing, it's related to the GPS (or more broadly to location).
whenever an app calls the GPS (like opening gmaps), gyroscope, accelerometer, gravity and magnetic field sensors seem to shut down, which means that the screen will no longer autorotate (among other things)
restarting the tablet seems to be do the trick until another app calls GPS again.
BUT after using it for some time, the sensors eventually shutdown and only a factory reset clears the issue. (in which case you restart the cycle over and over again).
for those who report the issue at first boot, it's probably due to restoring apps and having some apps call gps automatically at boot to determine location.
anyway it seems to be software based.
n9user said:
i have the same issue.
after some testing, it's related to the GPS (or more broadly to location).
whenever an app calls the GPS (like opening gmaps), gyroscope, accelerometer, gravity and magnetic field sensors seem to shut down, which means that the screen will no longer autorotate (among other things)
restarting the tablet seems to be do the trick until another app calls GPS again.
BUT after using it for some time, the sensors eventually shutdown and only a factory reset clears the issue. (in which case you restart the cycle over and over again).
for those who report the issue at first boot, it's probably due to restoring apps and having some apps call gps automatically at boot to determine location.
anyway it seems to be software based.
Click to expand...
Click to collapse
So she resolved by turning off the GPS? Google is aware of the bug?
Yup, I have the same issue with auto rotation. Hopefully a software update gets this fixed asap
Sent from my Nexus 9 using XDA Free mobile app
foxymyeung said:
Yup, I have the same issue with auto rotation. Hopefully a software update gets this fixed asap
Sent from my Nexus 9 using XDA Free mobile app
Click to expand...
Click to collapse
I did change, I think that unfortunately both Hardware
The new Nexus 9 works fine: D
In my case activating Google now caused the trouble with the screenrotation.
Since deactivating it and reboot no more problems with screen rotation
I have tried all the above - hard reset, disable GPS, disable Google Now, etc., and still can't get auto-rotate to work. Any other ideas?
I know this is an old post but I have been having the same problems with auto rotation of the screen not working. I factory reset my device, auto rotation worked, and did a restore of the apps and it happened again. I then started over (factory reset) and reinstalled one google app at a time. I think I found the problem to be the Google Camera app. As soon as I installed it, the auto rotation stopped working (I could tell because when I went to the video setting on the Google camera app, it would not rotate to Landscape.). I uninstalled the Google camera update, force stopped the app, and disabled it. Now I have no problems with auto rotation of my screen. Also, noticed that the area around the camera would get quite hot after the Google camera app updated. Google needs to fix this for the N9!
Gibby said:
I know this is an old post but I have been having the same problems with auto rotation of the screen not working. I factory reset my device, auto rotation worked, and did a restore of the apps and it happened again. I then started over (factory reset) and reinstalled one google app at a time. I think I found the problem to be the Google Camera app. As soon as I installed it, the auto rotation stopped working (I could tell because when I went to the video setting on the Google camera app, it would not rotate to Landscape.). I uninstalled the Google camera update, force stopped the app, and disabled it. Now I have no problems with auto rotation of my screen. Also, noticed that the area around the camera would get quite hot after the Google camera app updated. Google needs to fix this for the N9!
Click to expand...
Click to collapse
Wow! I think you figured it out. I uninstalled Google Camera using Titanium Backup and my auto rotation works again. Decided to install it back from the Play Store, and sure enough, I lost auto rotation again. Leaving it uninstalled, might install another camera app from the Play Store, just to set what happens. Thanks!
Update : So after playing with it some more, it looks like using Google Maps breaks the Auto Rotation. Clearing it out of recent apps, and waiting a couple minutes, the auto rotation comes back.

Super slow apps opening for fingerprint scan

On my unrooted exynos S9+ all the apps that make use of the fingerprint sensor take a looong while to start. Once launched, the fingerprint scan appears after more or less 12 seconds. If I turn off the fingerprint recognition, these apps open instantly.
I've never had any issue like this on my old S8 where the same apps take no time to start using the fingerprint. Any idea what could cause this delay?

Firebase Cloud Messaging service stops working until reboot

I've set up Macrodroid on my Doogee S40 with a webhook. I noticed that after some time my macro stopped working and started investigating. I have come to the conclussion that there is an issue with the Firebase Cloud Messaging service (which Macrodroid uses for webhook communication with the phone), mainly because not only my macro stops working but also Gmail notifications, for example. Also, when I reboot the phone, it starts working again.
I think that the Doogee S40 uses pure Android 9, and I have disabled every optimization option I could find so that nothing gets shut down (or shouldn't get), but no improvement.
Does anybody know what could be happening or, even better, how to fix it?
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