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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Can a user read crash logs on Android?

I have HTC One X running Android 4.2.2 with HTC Sense 5. Lately I have been encountering some wierd issues. And the most irritating of them is that my phone keeps crashing randomly. By ...
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23 views

Tracking down which app makes HTTP requests [duplicate]

After configuring my Galaxy S4 (Android 4.4.2) phone to use a proxy server for debugging an app, I noticed that other apps on my device were making some suspicious HTTP calls. I would like to track ...
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61 views

Looking for a log file telling me when my phone was on?

My android 4.4.3 phone was off and in storage but when I got it back the battery was flat and there was some stuff on facebook I can't account for. Is there any log files which would confirm when my ...
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68 views

Galaxy S2 Lite restarts when using 3G network

I am using Samsung Galaxy S2 Lite running on Android 4.1.2. Using WiFi is fine, but if I use 3G, in some minutes the phone just restarts from nothing. It happens always near my house. In other places ...
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36 views

Resources on how to decipher Android Error logs

Are there any resources that explain how to read logs for troubleshooting purposes. Mainly the fatal errors and warnings. It can be confusing but may help explain why a issue occurs could check the ...
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7k views

Are those log files in /storage/sdcard0/log necessary?

On my SGS2 (GT-I9100, Android 4.1.2), 1.2GB of log files piled up in the folder /storage/sdcard0/log . I have almost no space left on the internal SD card and a lot of the space is used by those ...
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1answer
131 views

What application turn on wifi/GPS?

What application turn on wifi/GPS at specific moment (adb logcat or what tools to use, what strings look for)? What installed application able to turn on wifi/GPS? Or more generally how I can get ...
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2answers
12k views

History of files sent over Bluetooth?

Does Android keep a history of the files sent via Bluetooth? I didn't see anything like that in the user interface (there's a log of received files, but not sent ones), but maybe there's a hidden log ...
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1answer
35 views

Auditing application's use of GPS

There is an application on my phone that triggers the GPS at random intervals. The start of this polling doesn't correlate with any newly installed applications so I imagine a recent update or ...
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2answers
52 views

Apps spamming my log

I've been looking at my log recently for more development of android applications, and I've noticed my log is spammed with all sorts of information that I wouldn't considered needed to be logged. ...
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2answers
2k views

Clearing logcat on HTC one X

I've faced with insufficient storage problem on my HTC One X (rooted, stock ROM 4.2.2, CWM recovery). I've solve this problem before on a Samsung device by dialing *#9900# then press Delete ...
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1answer
56 views

Where is the old DDMS debugging log (logged before I my smartphone gets turned off)

Where are old DDMS debugging logs that are logged before my smartphone is turned off? I forgot to keep my logs before I turned it off yesterday. I usually enable debugging mode in case of suspicious ...
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1answer
2k views

Is it possible to disable logcat logging for an application?

Is it possible to disable logging to the logcat for an application (APK) in Android entirely. Since i make heavy use of my logcat output, I'd like to see only bits that are relevant to me but there ...
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1answer
334 views

Why are there a ton of Logcat processes slowing down phone?

I noticed a major slowdown on 2.2.2 Android, and it looks as though it's caused by too many logcat processes. With adb shell, I ran ps | wc -l and there were about 400 processes, after running killall ...
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1answer
2k views

How can I determine what is causing my Nexus 4 to freeze?

I have a new-ish Nexus 4 with Cataclysm ROM installed (rooted, 4.3). The device has recently started freezing - being unresponsive to button presses, but with the white LED pulsing. I have to ...
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2answers
4k views

Empty /data/log folder

I have Galaxy Sii s9100 with CM 10.2 (android 4.3) I am encountering the bug that fill the folder /data/log and display the notfication "Storage space running out" I can see that the problem is ...
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186 views

Writing to /dev/log/main from command line

It is possible to write encoded messages into /dev/log/main and then see them in the adb logcat output. The command should be executable through adb from the host PC. Ideally, it should look like: ...
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1answer
439 views

How can I get an infinite callhistory in CyanogenMod 10.0?

I would like to have all calls I ever called or called me in the history. Is this possible?
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1answer
659 views

What Options Are Available For Viewing the LogCat?

I recently had to capture my logcat for my HTC EVO 4G device to try and identify the reason why updates sometimes fail claiming there is insufficient memory (issue discussed more extensively here). ...
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127 views

Is there any way to dump the Data Usage log through the ADB shell?

The reason I would need to dump these data is because in smalls display (S5301) doesn't fit everything and data is cut. I couldn't do anything to move that graphic. Look, I've searched in Google ...
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1answer
446 views

How old is the datalog when just starting “logcat”?

When I run adb -d logcat it dumps data from a time before. How old is that data?
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1answer
370 views

Where and how do I read logs for a specific app?

I know there are a lot of threads about android logs but I can't find an answer to this: Where and how do I read logs for a specific app? I have installed the Android SDK, connected my device and ...
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1answer
174 views

ADB_SERVICES error on catlog errno = 5 I/O error

I'm using catlog to find error for an issue. Although that issue did not reappear , I see a constant Error ADB_SERVICES ERROR: fd = 13, n = -1, errno = 5 (I/O error). Sorry quite new to all this , ...
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Debugging Galaxy S2 Bluetooth problem: Bluetooth disconnects, Bluetooth status never fully turns on, Only reboot resolves this

I know many have problems with Bluetooth and certain car kits. I specifically have a VW. In any case, my Galaxy disconnects from not only my car, but also from my Philips in home audio system. In both ...
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1answer
183 views

What does the error message “Light old sensor_state 0, new sensor_state : 128 en : 1” in logcat mean?

I have my Galaxy S4 connected with my PC and ran the "Building My First App" tutorial from http://developer.android.com/ . There were no problems, but I noticed many messages about the LightSensor in ...
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43 views

Getting the activities of the user

Is it possible to get a list of user activities? I want to know when the phone was opened, when it was locked, etc. Just the basic things.
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1answer
1k views

Android early boot console over usb

I'm trying to port newer kernel versions onto my Nexus S device. Most newer kernels panic very early on in the boot process. I would like to debug this. However, since the phone has been provided to ...
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1answer
3k views

How to get dumpstate logs in samsung galaxy grand?

While working on my app, I have faced app crash. But I can't get any dumpstate log from data/log folder. So what is the solution to get dumpstate. Or I have to create any folder on my app name in data ...
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2answers
2k views

Bug Report and Power-Bug Report Functions not working on Nexus 7 Android 4.3

I need to gather log info for QA testing. The settings menu "Bug Report" and the power menu "Bug Report" functions don't work for me on my Nexus 7 running Jellybean 4.3 (don't know if it ever worked ...
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1answer
719 views

How can I monitor and log the connections to my phone's wireless hotspot?

I'm sure the phone will be logging all connections and connection attempts when it is used to set up a wireless hotspot - my question is how can I view these logs? If the default setting is not to ...
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0answers
648 views

Music playback stops randomly

I have bought the Xperia ZQ (Xperia ZL's alias in Brazil) C6503. I am experiencing a very annoying problem: from time to time the audio playback in any audio app just stops. If I hit play again it ...
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4answers
18k views

What are these dumpstate logs?

So, these files were filling up my /data/logs directory, causing me to run out of storage space rapidly. What are they, why are there so many and how can I stop them clogging my storage? Screenshot ...
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2answers
119 views

How do I begin to troubleshoot aCal?

I'm running aCal on my Samsung Galaxy S / Gingerbread and it isn't updating. Adding events pushes them out to my CalDAV server, but I don't see any events. In aLogcat I see an awful lot of errors: ...
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1answer
291 views

How do I get the log files on my Optima Smart 220?

I want to access the log files of my tablet (Optima Smart 220, running 4.1.1 Jelly Bean). Also, how do I root this device so I can get the log files?
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1answer
731 views

Dev/Log's - login attempts and how to read the log?

My first post on here and hopefully a easy fun answer. I'm looking for the location for failed login attempts on the device - I've looked on the device and it seems the logs are located in ...
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2answers
4k views

How to find the app that causes crashes?

Where should I begin the hunt for the cause of crashes / reboots when logging apps do not work anymore?
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2answers
43k views

Samsung Galaxy S3 black screen and automatic reboots

I have a Samsung Galaxy S3, purchased on July 2012. Sometimes, when I press the power button, the screen keeps black. The button LEDs turn on, but nothing else happens, and I have to remove the ...
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2answers
578 views

logcat log loss

I am using android jellybeans. There is a large amount of debug information being dumped by many components. So, I notice that logs from my application are often lost. I have tried dumping logcat log ...
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1answer
1k views

Debug Samsung Galaxy S3 Blank Screen Freezes

my Samsung Galaxy S3 suffers from the Black/Blank screen freeze. The only remedy is to pull the battery to get the phone to respond again. I'm running Android 4.1.1 and I have done a factory reset. ...
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How can I determine what app put a spam shortcut on my home screen? [duplicate]

Recently, I discovered that some app on my phone had taken it upon itself to place a very nice "Free Games" shortcut on my home screen. I haven't installed any new apps in the recent past, so I would ...
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5k views

Can receive but cannot send SMS on SGS3, help me debug with logcat?

For a couple months now (during which time I've tried ~20 ROMs), I can receive & make calls fine, receive & send emails fine, sync fine, everything is fine except I cannot send SMS. I've tried ...
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1answer
4k views

Google Play Store Doesn't Open

So, in the end of the past year I have finally got to root my china replica (fake) Galaxy SIII Everything was working just fine, until I remove some app from the /system/app directory, because this ...
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0answers
1k views

Trace/log of all activity on my android device [duplicate]

Is it possible to put on trace or get log of all activity on android device. If so, How?Also are there any key logger application
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2answers
8k views

Analyzing packets in android

I want to analyze packets on my rooted Android mobile phone. What I did so far: I have installed shark for root and shark reader. I tried to sniff packets, but shark reader only shows RAW packet. ...
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What is FxStreamingTexture and why does it fill up my logcat?

My locgat is full of such lines: 01-05 10:46:40.939: D/FxStreamingTexture(3948): BasicFuture_get return m_value = android.graphics.Bitmap@4074d6b8 How can I get rid of them?
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0answers
205 views

What is the origin and purpose of RS_##.log files?

On my Galaxy S3 (I747, rooted stock ROM, 4.1.1 jellybean), there are a number (currently 66) of files in /data with names following the format RS_##.log, where ## is a 1 or 2 digit number, currently ...
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7answers
1k views

How can I monitor and log data connection mode and rate, and log with location?

I would like to understand what connection type and theoretical data rate my phone is using for its data connection, and how it changes with different locations. I'm not looking for an actual data ...
2
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1answer
449 views

What would cause the existence of a /sdcard/logfile.log?

Since quite some time I've been getting a file /sdcard/logfile.log which gets really big quickly, last time I checked it was about 2MB. That file seems a general system log since I remember seeing ...
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2answers
666 views

How do one know what is the reasons why an android apps exit with exceptions?

Sometime, when you install a particular apps in the emulator, it work perfectly fine. So, you install the apps into your phone and/or tablet and it throws an exception when you run it. Similar, when ...
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3answers
674 views

Can the on-board ADB Server find the device itself?

I know that Android devices have an on-board adb server. I am able to start the server through the terminal emulator and run adb commands, but the device itself does not show up in the device list. ...