Logging is the process by which the system records what's going on - i.e. events, errors, warnings, and related information. Most apps provide details in log files, so the system logs help to debug problems.

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ClassNotFoundException: com.intel.vtsv.VtsvService on Pipo X8 device

I get this error on my new Pipo X8 screen in logcat. Anyone know what it's about? 01-22 15:40:15.479 565-565/system_process D/SystemServer﹕ registerService service: com.intel.vtsv.VtsvService ...
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1answer
23 views

How can I get the LogCat before my phone restarts?

Recently my phone keeps on restarting randomly through the day, and I would like to trace what is the cause for that. I tried this app https://play.google.com/store/apps/details?id=org.jtb.alogrec ...
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61 views

How log logcat in a bootloop?

I have a Pipo X8 device, and I want to log logcat output because it gets stuck in a bootloop when I try to install Xposed framework. The problem is that there is no USB, thus no USB-debugging, and ...
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23 views

Is there something like memcheck and fdisk for android?

Basically I want to connect my android asus to my computer and then do fdisk and memcheck. I suspected that the disk is not perfect and so is the memory. Sometimes it crashes with no reason.
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90 views

Play Store crashes after converting to system app

Im on KK 4.4.2 I converted google play store and google play services to system apps since they were hogging a lot of space with their updates. I used romtoolkit to convert them to sys apps after ...
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24 views

Internet browser not logging in to SE

Some time ago, I asked this question on Meta. It seemed I could not log in to SE from the mobile. Then I realized it was actually the Internet browser (the default "Internet" browser app) that did not ...
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1answer
84 views

debugging frequent crashes/reboot with nexus 6p

Like many of you I eagerly awaited the release of the nexus 6p.. unfortunately it has been crashing a lot lately (a problem many seem to have). The first thing I tried was running a factory reset, ...
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22 views

How to find logs of unhandled exceptions in Android?

In Windows, when an application crashes because of an unhandled exception, there is a place called Event Viewer that gives a good amount of informative data about the process being crashed down. ...
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34 views

How to show all braodcast events of a particular app?

I know its possible to show all broadcast events/intents that are triggered in android. But I wanted to list all the broadcast events of a particular android app. My purpose is, I want to test a ...
2
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20 views

Phantom noise diagnosis: logcat included

I've got brand new Moto X Style. Great phone, but I have a weird issue which I'm trying to diagnose. My phone sometimes makes that volume change acknowledgement noise without any interaction. If you ...
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62 views

Find out when the memory card was removed

A very strange thing happened today. My roommate was complaining that his memory card went missing this afternoon. And now I found that my memory card is also missing. I don't know what to say. It ...
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65 views

How to log all user interaction on my device?

I would like to know whether on an Android device it is possible to: Log the date and time of every time a password is entered on my Android phone (this security measure would mean that if someone ...
2
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1answer
794 views

Where does Lollipop stores notification log?

Android 4.3 and above allows access to a list of historical notifications using the Settings widget. The scope of "historical" is limited to current session of Android and the list is populated with ...
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1answer
150 views

How to rollover the logcat files in android?

I have gotto put huge logs so the logfile keeps growing. At some time it will be difficult to go through the complete log file . Coming to the point. I need to have rollover of log concept in android ...
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42 views

How to store list of installed (paid and unpaid) apps to a log file?

I would like to store a list of all paid and unpaid apps in a log file (which I would then upload to Google Drive or FTP to some other server). This way if my phone is lost, stolen, or breaks, I will ...
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19 views

Is this a A2Dp logging bug, or am I missing something?

I'm working on an automatic test for something, and to do it I'm parsing logcat. Part of my test includes knowing when A2Dp has begun playing sound. When my headset is connected, and nothing is ...
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146 views

What is the difference between “beginning of main” in logcat and bugreport

I see that "beginning of main" section is present in both, logcat as well as bugreport. What is the difference between the two?
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2answers
235 views

adb locat - cannot redirect to textfile - read only filesystem

When I trie to show logs of a specific priority in logcat and direct the stream to a textfile I get the following error message: 1|shell@android:/ $ adb logcat "*:W" > logcat.txt ...
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1answer
254 views

How to know if phone has been connected via USB? (connection log on the phone?)

I'm trying to find out if someone has connected the Android phone (Samsung Note 4) to the PC via USB. Is there a log somewhere on the device showing the timestamp of connection? Preferably without ...
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442 views

Read more about system incidents in Diagnostic application?

Long story short, we bought a new phone: Sony Xperia M4 Aqua dual SIM 16GB version. The phone is on with Android 5.0 and is pretty new, but he doesn't stop keeping restarting itself. (he just blink 2 ...
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1answer
50 views

How to find and read boot up log files?

My phone's SD card got stolen yesterday, and I'm trying to find a way to read the boot up logs. I had left it at work by accident, and I know that it had to have been stolen by one of our employees in ...
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27 views

Debugging faulty Andriod apps

Okay I am running a Cyanogenmod Nightly build on my Samsung Galaxy P1000. The problem is that it has a camera app that crashes if I switch to video recording mode. The worst part is that I don't know ...
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239 views

How are the commands “log” and “logwrapper” used?

I'm trying to figure out the usage of "log" and "logwrapper" command but so far cannot find out a good manual. (E.g. This is a very good manual written for "logcat"). I'm looking for a real-time ...
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189 views

How to enable bootloader logs

I am working on a OEM project in Android. I want to take bootloader logs immediately after rebooting my device. How to take bootloader logs?
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134 views

View when a known Bluetooth device was last connected

I somehow managed to loose my LG G Watch, and it has now been about 2 weeks :/ Around the time that I lost it, I was doing some traveling, so I am trying to figure out where exactly me device might ...
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284 views

How to clear sysdump logs from Asus Zenfone 5?

I have an ASUS Zenfone 5 (501CG) 16 GB model while phone is nicely built and good to have if you have one extra power bank. Since few days I see some lag in its UI, I feel it is because of the known ...
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245 views

Swiftkey (or other app/system?) slowness. How to find the cause?

Since the last 2 months, my SwiftKey keyboard has been at times almost unusable: keystrokes are lost and taps are understood as swipes. This doesn't always happen, and together with the fact that its ...
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449 views

How to Diagnose WiFi Issues?

My Samsung Galaxy S4 (GT-I9515) with Android 5.0.1 does not connect to one particular WiFi any more - the Eduroam network at my workplace. The network is listed in the available networks list, with ...
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1answer
62 views

How do I know which process or app currently accessing camera?

How do I know which process or app currently accessing camera ? android 5.1, nexus 5, shell access (no root)
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1answer
120 views

Log adb commands

I am trying do do some stuff the Android Device Monitor does on command line in a script. As far as I found out you cannot use the monitor from command line without GUI. My approach is to capture ...
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127 views

Unable to read from '/sys/class/leds/wled:backlight/max_current'

I updated my Sony Z1 Compact to 5.0. And now every 50ms I see message in LogCat Unable to read from '/sys/class/leds/wled:backlight/max_current' What's the problem? And how can i resolve it?
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2answers
1k views

“Storage Space Running Out” even though plenty of storage remains?

I've got a Samsung Galaxy i9000 equiv(T959) that has recently been showing "Storage Space Running Out". I have been running Cyanogen 10.1 for a couple of years without any problems, until now. But I ...
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102 views

Log of all user activity

Is there a place or file where android saves all user activities? For example something that records when users send mail, receive a call, send a message... I know that there are log files, but I'm ...
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47 views

Logcat command not reading arguments properly

I'm trying to get my phone to constantly record its logcat. I'm using the following command: logcat -f /sdcard/logcat.log -r 1024 -n 10 & The problem is when I execute this, it only saves 5 ...
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1answer
361 views

retrieve logcat after a system crash

Is it possible to retrieve a logcat from before a system crash after the phone recovers? I.e. my phone is running normally, then it crashes and reboots, and I want to view the logs when it recovers ...
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101 views

How to troubleshot: IpcThreadState log spam / system_server eating battery

The last days, i encounter the issue of my phone draining its battery fast (about 10-15%/h when idle). I'm trying to see what's happening, there are no unusual or suspicious alarms or wake locks. ...
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1answer
188 views

Background logcat with filter

I have an app which seems to crash sometimes but of course not at that time when I have it connected to my PC and run logcat. Is there a good method of grepping logcat in background (best would be ...
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157 views

How to Logcat everything (Main, Radio) at the very first boot in production builds

Hello Android Enthusiasts; I want to logcat the Very first boot in a chinese MTK production device, the ADB comes disabled with the device. is there any way to enable it before boot. The used ...
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68 views

After using *#9900# to delete logcats all the apps aren't responding. How do I solve this problem?

After running out of internal storage (device storage running out. Some device functions may not work) I used *#9900# and chose 2nd option to delete logcats but now every app I touch the phone become ...
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66 views

What is a cops.log file?

Suddenly my internal storage was totally full. Many things didn't work anymore in my phone including wifi and my launcher (even the option in the settings disappeared). Some apps crashed also. So I ...
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0answers
6 views

2.3 Tablet bootloop, trying to pull logfile with root adb [duplicate]

I have an old android tablet (2.3) which I've had for a number of years now. I've been trying to get access to the application data storage, because I had some important documents stored in a notes ...
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1answer
44 views

How can I take a log snapshot of device information?

If I experienced a problem with my phone — for example, if I cannot make calls, or cannot download or watch videos — I would like to take gather a log of device information including which ...
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0answers
263 views

Is my Wifi Chip broken or just a software issue?

I have a Oneplus One Chinese version loaded with Official CM11S XNPH44S. Problem is that I can turn on my wifi but most of the it can't see the wifi networks around, even I have a wifi network in my ...
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0answers
486 views

Why is my Nvidia tablet looking for chinese servers(baidu.com)?

I am not sure if this is the right area for the question, or if it is even a big deal, but here i go. When using by Nvidia tablet to develop an app I realized that it was attempting to reach a server ...
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0answers
362 views

Which application is switching on wifi?

I am running Android 4.3 on a Samsung Galaxy S3, switching on or off WiFi on a need-to-use basis. A few days back, I realized that WiFi would spontaneously be switched on. I switched it off, but it ...
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3answers
5k views

Android device crash logs?

I've been having issues* with my Samsung Galaxy S4 (Rooted, Echoe rom, SCH-i545, 4.4.2) lately and have been trying to figure out why. Problem is, it seems like neither alogcat nor adb can show, that ...
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582 views

How to enable USB diagnostic port in an android phone?

Currently we are developing a LTE software which need the information from the Phone using QXDM tool.As of now,Most of the USB dongles and mobiles which i bought are having ROM with USB diagnostic ...
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1answer
424 views

View log files on rooted Nexus 9

I'd like to check some log files of a app I've downloaded from the browser. I rooted my device already and saw in the "SuperSU"-App a Logs-Tab. How can/do I use that? Or do I have to do something ...
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70 views

phone crashing constantly

can you help me discover what is causing my phone to crash? I've been having this problem for a while now but it seems to be getting worse. it happens at random and is almost like a RAM seizure. the ...
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1answer
357 views

Show boot process on screen

I've borked something in my nexus 4 stock rom playing with system files over ADB, and my device no longer boots past the animation. Is there any way I can make the system show it's boot process ...