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.
17
votes
5answers
5k views
How can I view and examine the Android log?
There is a lot of interesting stuff in the Android system log, that is helpful in many ways
find root causes of problems
identify misbehaving apps
How can I view and examine the Android log?
11
votes
4answers
128 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 ...
9
votes
6answers
982 views
How can I record touches?
Is there an existing app I can install that will record my touch interactions in the background? I just saw this and it made me want to play around with my touch data to see what it looked like. ...
7
votes
3answers
253 views
Is it possible to track what information on your phone an app is uploading?
If you are concerned about what information an app is sending about you (your privacy concerns) is there any way of tracking this? Can you see if an app is sending photos on your phone? Can you see if ...
7
votes
1answer
2k views
Dropbox not installed, but there is log activity in /data/system/dropbox?
I don't have dropbox installed, but whilst checking log files I've found that there is a /data/system/dropbox directory with log files from the 18th (which I think is the last time I rebooted my ...
7
votes
1answer
209 views
LogCat shows exception in SyncProcessorQueue every 5 seconds
I just started noticing this in my Logcat, it seems like every 5 seconds I get this exception caught. Does anyone have any idea what app or part of the OS it could be? I can't imagine whatever this is ...
7
votes
1answer
175 views
Is there a way to save pop up alerts?
After every call/message, my service provider (airtel) displays a popup which has the last call cost and current balance. Is there a way I could log them automatically and have the latest balance ...
6
votes
2answers
2k views
Does android keep a log of when it starts?
I'm making a parental control/accountability app for android. It consists of a monitoring service that runs in the background and starts when the phone is booted.
Unfortunately, I have found that ...
6
votes
2answers
3k views
Problems accessing message logs on Jelly Bean with aLogcat
Summary
I have been having problems accessing the K9 log messages using aLogcat, see below for more details. What I would like to know is:
Why are no log messages from K9 appearing in the aLogcat ...
6
votes
1answer
139 views
How can I log the start and stop connection with known WI-FI networks
At the end of a week , I would like to see a log for each connection with a (known) WI-FI network I made with my Galaxy phone.
I automatically connect to different networks.
It would be nice to see ...
5
votes
3answers
1k views
Why does my screen turn itself ON?
I am having a problem with my phone's screen arbitrarily turning itself on. It has been going on for a while, but I finally got a logcat of it, so here it is. If anyone can find anything in here ...
5
votes
3answers
27k views
Where are log files located on Android? [duplicate]
Possible Duplicate:
How can I view and examine the Android log?
My android (2.1) phone (a HTC Wildfire, if that matters) sometimes reboots without an apparent reason. Not extremely ...
5
votes
2answers
237 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.
...
4
votes
7answers
2k views
Does access to logcat need root?
My device is already rooted, this is why I'm asking.
Do you need root to monitor the logcat stream on the phone? If I ran the logcat command from within a Terminal on the phone, would that work?
4
votes
1answer
104 views
Is there a way to get detailed information on why an OTA update fails?
I'm trying to figure out why my OTA update is failing. I have unrooted my Droid Bionic, did a factory reset and it starts to update, then reaches about a quarter of the way and stops and just reboots ...
4
votes
2answers
301 views
Something causes my phone to hang and reboot
This problem always happens after I restore my apps from Titanium Backup and move them to the SD card, regardless which ROM. However, I noticed that this problem has something to do with the SD card. ...
3
votes
2answers
4k views
How can I access android log files on my Nexus 7 without root access?
Since aLogcat now no longer works with Jelly Bean, how can I access the system log files on my device without either root access or attaching it to a computer?
I have tried using adb logcat from my ...
3
votes
1answer
413 views
What is the format of Android's logs?
I'm trying to gather data about my phone by analyzing the log files in /dev/log. I'm specifically looking at /dev/log/main. I always thought that any sane log format would be plain text, yet these ...
3
votes
1answer
39 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 ...
3
votes
1answer
168 views
How to log and visualize resource usage stats (to identify resource hogs)?
I want to be able to collect up to, say, a couple of day's worth of resource usage statics for my android, at the resolution of individual apps, and ordered according to their shares of the resource. ...
3
votes
1answer
112 views
Is there a program which will log each program I start on my Android device?
I am looking for a program that will count each start of a program on my Android device.
Over time, you install quit a lot of programs.
It would be nice to see how many times you actually start ...
3
votes
1answer
711 views
My Device Keeps Rebooting (LogCat attached)
For some reason, after I changed my device's battery. It just keeps rebooting and here's a LogCat of the error:
E/JavaBinder( 1305): *** Uncaught remote exception! (Exceptions are not yet supported ...
3
votes
1answer
755 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. ...
2
votes
1answer
297 views
How active should I expect my Jelly Bean system log file to be?
When using aLogcat to view my Android log files, I find very few messages showing up in any of the views.
Selecting Verbose level and no filter, I see that Main contains mostly garbage collection ...
2
votes
2answers
1k views
Enabling logcat in a ROM that has it disabled
I'm running Liquid Smooth 3.2 on my Motorola Droid 1. This ROM comes with logcat disabled (/dev/log/main doesn't exist). I tried starting the logcat service myself by adding the following to ...
2
votes
2answers
401 views
Android Log Output KINETO
On my T mobile G2 there is always a lot of action in my Log output that has the tag KINETO these are the two most common things it puts in there:
ERROR/KINETO(9304): KLOG0C3- xmk_QueryOSQueue SDL ...
2
votes
1answer
501 views
Does logcat dump debug logs while it isn't expressly running?
my android device reboots itself automatically sometimes,so i need to get a way to debug whats causing that.
i know about logcat,but what about the debug msgs when logcat isnt running,does logcat ...
2
votes
2answers
895 views
Is there a good way to find out why an Android phone hangs?
Are there any log files you can look into, or any good ways of finding out if an app is causing the phone to hang (if even possible)? My friend has an Xperia Arc and after a while with a custom ROM ...
2
votes
2answers
350 views
How do I increase the log size of dev/log/main?
How do I increase the size of dev/log/main by a factor of 10? My understanding is the log has a fixed size (16K?) and rolls over when that limit is reached. I'd like to find out what the log size is ...
2
votes
2answers
7k 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 ...
2
votes
1answer
1k 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 ...
2
votes
1answer
328 views
How to troubleshoot a lockup/freeze
I have a GNex running on CN(A) 3.8. It has started to lockup/freeze when the screen is off. So far it occurs mostly overnight while it's charging. I have to pull the battery to resolve. I believe it ...
2
votes
1answer
1k views
Can I delete the log files on my device?
I'm currently developing on an Android 2.3.4 device. I've got root access to the file system, and I'm looking for the location of the system log files (like /var/log) so that I can delete them, but ...
2
votes
1answer
128 views
Is there a way to read a network log file directly from the Android device using a Linux tail command like?
Is there a way to do what's asked in the topic subject for unrooted and/or rooted phones?
I'd like to read from a system log file instead of constantly listening the network activity for battery ...
2
votes
0answers
430 views
Trace/log of all activity on my android device
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
2
votes
1answer
202 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 ...
2
votes
0answers
149 views
Are there any log files you can examine do determine why an unrooted Android device is rebooting repeatedly? [duplicate]
Possible Duplicate:
Where are log files located on Android?
Yesterday evening I left wi-fi enabled overnight. This morning I found my Archos 101 rebooting over and over again (eating up the ...
1
vote
2answers
112 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 ...
1
vote
1answer
216 views
Where is the Android log file to see if app installed correctly? [duplicate]
Possible Duplicate:
How can I view and examine the Android log?
Where is the log file. Why not logs/system.log? I see a log using app but nothing about install information. Like failures ...
1
vote
1answer
162 views
Why does the Ebay application automatically startup at boot?
I can't find a good reason that this application must always be running on my phone. However, it starts at boot and I'm constantly getting error traces in Logcat about the Ebay application.
Why does ...
1
vote
2answers
115 views
How can I track my app usage? [duplicate]
Possible Duplicate:
How can I track app usage?
If you're not familiar with the late Wakoopa app for desktop, it's a small utility that runs in the background and monitors what application / ...
1
vote
1answer
2k views
Can't log into google apps after sim card change
I went to Germany and I had switch my PLAY (PL operator) SIM card with Blau.de SIM card. Everything was good, I had Internet connection and full facebook/twitter/google sync. After return to Poland, I ...
1
vote
1answer
484 views
How can I get a LogCat? [duplicate]
Possible Duplicate:
How can I view and examine the Android log?
Sometimes I get asked for a LogCat.
What is this?
What is it supposed to do?
How can I get it?
1
vote
1answer
2k views
Does the Android emulator generate some sort of log file I can access if it crashes?
Let's say I am working with the Android emulator, and get it to run one of my custom images/custom kernels, and it gets stuck in a boot-loop or crashes after a little while in booting up, does it ...
1
vote
2answers
176 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?
1
vote
0answers
22 views
Debugging android communication with base transceiver station
Is there a way to see the (IN/OUT) messages while registration procedure or call establishment takes place?
1
vote
0answers
19 views
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 ...
1
vote
0answers
14 views
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?
1
vote
3answers
235 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. ...
1
vote
0answers
168 views
How can I see bootloader stdout debugging messages?
I'm trying to understand the mechanisms of the Android bootloader.
The source code for this is here:
...

