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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AbsListView on Samsung Galaxy's logcat running Android 4.3 JellyBean

I've been having an issue on my Galaxy S4 following the 4.3 update whereby it will occasionally reboot the phone then go into a reboot loop. If connected to a charge the loop will stop and the battery ...
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1answer
412 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 ...
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1answer
72 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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1answer
39 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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1answer
509 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
152 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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109 views

How to diagnose battery drain on Android device using logcat?

I have been facing a severe battery drain issue on my official Cyanogenmod custom ROM. After discussing it on community forums, it was suggested that I use logcat for troubleshooting the problem. ...
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0answers
905 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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616 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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0answers
556 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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0answers
26 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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0answers
121 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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0answers
16k views

List of purchased apps and app install/uninstall history log anywhere?

My device was damaged and since then I've had to order a hardware replacement. Given that all purchases and application installs/uninstalls via Google Play Store are carried out in connection with my ...
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0answers
4k views

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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0answers
44 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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0answers
582 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: ...
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20 views

Strange sound from an unknown application

From yesterday my Samsung Galaxy S3 (Android 4.4.2) is playing strange music (midi) from time to time and very often. Sometimes it goes as it comes, with no obvious reason. It looks like an alarm. ...
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19 views

How can I save bug reports from my Android device to my local storage using ES or any other app?

When I take a bug report (e.g. through the power menu, after this option has been enabled in Settings), a notification appears and after tapping this, I get a number of options to complete the action. ...
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34 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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101 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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0answers
303 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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0answers
138 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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77 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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294 views

Low internal memory led to installation error

OK, so this is the problem. I own a lenovo idea tab A3000, with no SIM cards inserted( that results in impossibility of using a dial pad) but rooted. Android version 4.2.2 . Like many other users, I ...
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0answers
79 views

Nexus 10 does not show stacktraces anymore

I have an Nexus 10 with Android 4.4.4 (Stock, no root). Today I noticed a strange behaviour: When an App crashes, the device doesn't show the Stacktrace in Logcat. I purposely implemented a Bug in ...
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1k views

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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118 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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194 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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26 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?
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244 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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34 views

Logs for debbuging wifi issues on Android 4.1 and 4.4

What logs and files for debugging wifi connection issues are there in Android 4.1 and 4.4? I've searched but haven't been able to find much. The only file I've found is ...
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100 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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108 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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27 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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0answers
34 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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66 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 ...
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87 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 ...
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0answers
46 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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26 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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222 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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29 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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325 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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0answers
297 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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0answers
197 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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0answers
379 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 ...
0
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0answers
560 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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423 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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46 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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258 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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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 ...