Android :: How To Get Remote Logcat On Error?
Feb 3, 2010
I have a game in the market and with flurry analytics, I receive all my errors. Here are some of them: 01/31/10 01:47:39 PM PST 0 classjava.lang.IllegalArgumentException parameter must be a descendant of this view 02/02/10 12:40:41 PM PST 0 class java.lang.Illegal ThreadStateException Thread already started.01 /26/10 09:25:36 PM PST 0 class java.lang. NullPointer Exception 1.0 (beta) uncaught Android 02/01/10 05:26:27 PM PST 0 class java.lang.OutOfMemoryError bitmap size exceeds VM budget 1.3 (beta) uncaught Android 01/29/10 10:23:10 AM PST 0 class java.lang.RuntimeException Adding window failed 1.0 (beta) uncaught Android 01/29/10 08:19:05 AM PST 0 class java.lang.RuntimeException Unable to start activity ComponentInfo{ digle.de. LeonardFrog/ digle.de.LeonardFrog.AHighscore}: ava.lang.NullPointerException 1.0 (beta) uncaughtAndroid 01/27/10 01:09:35 AM PST 0 class java.lang.VerifyError igle.de.LeonardFrog. AHighscore 1.0 (beta) uncaught Android I want to solve them but I need a logcat. There is the application "aLogcat" in the Market, which displays the logcat on the mobile, but I need the logcat of my users without telling them to download this app, because many people are lazy and won't do it. How can I get this logcat? Is there maybe a library, which sends me the logcat on error?
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Oct 13, 2009
Since upgrading to the v1.6 SDK, I'm getting an intermittent error when trying to launch the logcat from the command line:
>adb logcat
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Sep 1, 2010
08-31 21:29:15.263: ERROR/dalvikvm(11799): could not disable core file generation for pid 11799, errno=1
Can anyone shed some light on this for me?
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Mar 26, 2012
I'm trying to make a countdown timer. It works without a button but then it starts instantly so you can't enter a value for the start. Here is the java, as I said nothing appears in the logcat. The error occurs when the button is clicked.
package timer.test;
import android.app.Activity;
import android.os.Bundle;
import android.os.CountDownTimer;
[code]...
The xml page only has a TextView, EditText and Button.
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Feb 1, 2010
I have an Android app modeled after the LunarLander example by Google.
I am debugging it on a real device, (Motorola Droid) with Android 2.0.
When the orientation changes, the program crashes on a null pointer Exception.
Logcat from just before crash:
CODE:.............
The first line that worries me is "Something wrong here" at 24:38.620. I have no idea what it means, But I think its due to me not reacting properly to the screen change.
Next I get a debug message that I printed myself from within my own method surfaceChanged() about the new surface dimensions.
Then I print out debug message about whether flies was null. flies is the field that eventually causes the NullPointerException. Its created once, and never written to again for the rest of the program. I know that it was not null before the crash, because it was read several times.
Does anyone have a clue how my private member variable came to be null just by these clues?
I would include code but there is a lot of it and I don't know what would be relevant.
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Jun 28, 2010
I am doing monkey test for my application, and I meet Remote Exception many times. I don't know why remote-invocation errors occurs. Has anyone experienced such exception?
Monkey Log snippet:
:Sending Pointer ACTION_MOVE x=-1.0 y=-3.0
:Sending Pointer ACTION_DOWN x=322.0 y=77.0
:Sending Pointer ACTION_UP x=322.0 y=77.0
:Sending Pointer ACTION_DOWN x=299.0 y=488.0
Error: RemoteException while injecting event.
Events injected: 11088
:Dropped: keys=0 pointers=2 trackballs=0 flips=0
## Network stats: elapsed time=1511978ms
(1511978ms mobile, 0ms wifi, 0ms not connected)
System appears to have crashed at event 11088 of 56000 using seed 25194847
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Jul 2, 2010
New problem *sigh* getting to be quite annoyed with HTC/Android. Gone from excitement to frustration.I have Google apps for my domain with a custom email matt@mydomain.com (example)I use Exchange ActiveSync to access my emails, calendar and contacts on my phone.I have been having the same frustrations of others when things stop syncing but this is usually fixed by either putitng in a wrong password and then the right one or by removing the Exchange ActiveSync account and then readding it. Unfortunately this how now ceased to work. Yesterday afternoon my phone stopped syncing email and showed the little circle with arrows icon with an exclamation next to it. I left it overnight thinking it might have been a Google glitch or something rather than the phone but its still not working now getting close to 24 hours later.I have tried putting a wrong password and the the correct one and it still fails to sync (calendar works etc)I have tried several times removing the account and the readding it again but it still fails to do mail. Instead a little message shows at the bottom of the screen saying "Error accessing a remote resource". I google searching this on the web and also on this forum and found no results of any value or help
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Aug 6, 2010
So after being dumb and installing the 2.1 leak I finally got root! Yay! But now of course my trackball is acting up really badly and I want to unroot to try to get it swapped out at Verizon. I've followed jcase's instructions successfully up to the fastboot command section. I'm getting and error "Failed (remote: not allowed)". Obviously I am in fastboot mode on my phone. Phone's screen shows
PB00100 XC SHIP S-ON
HBOOT-1.49.0000 (pb0010000)
MICROP-0111
TOUCH PANEL-MELFAS_45_17
RADIO-2.32.40.11.09
Feb 8 2010,00:08:56
FASTBOOT USB
<VOL DOWN> HBoot Mode
I am still able to access Anon's Recovery. Any thoughts?
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Feb 16, 2010
I'm trying to debug an android app that call native code to do some GL rendering. The native code is existing code that I'm trying to port (and that I don't really know that well). I've got the existing code compiling, linking, and installing correctly, and I've got some native functions that call in to that code that are being correctly called from my Java code. I'm getting a segfault that I'm trying to track down, and having some problems getting gdb to set a breakpoint in the program. This is on windows XP with Cygwin - and I should probably mention I'm still learning gdb.I started with the directions at http://honeypod.blogspot .com/2008/01/debug-native-application-for-android.html; here's what I'm currently doing.Start the app in the emulator.In a cmd prompt:
> adb forward tcp:1234 tcp:1234
> adb shell
# gdbserver localhost:1234 --attach 2120
gdbserver localhost:1234 --attach 2120
Attached; pid = 2120
Listening on port 1234
In a cygwin shell:
arm-eabi-4.2.1/bin/arm-eabi-gdb.exe out/apps/app-android/libDM.so
GNU gdb 6.6
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "--host=i686-pc-cygwin --target=arm-elf-linux"...
(gdb) target remote localhost:1234
Remote debugging using localhost:1234
warning: shared library handler failed to enable breakpoint
0xafe0da04 in AppRefCounted::unref () at ../../stlport/stl/_iosfwd.h:39
39 class basic_ostream;
Current language: auto; currently c++
(gdb) b Java_com_app_AppRenderer_onCreate
Breakpoint 1 at 0xafff1b1a: file apps/app-android/../../../app-Android/jni/DMJNI/DMInterface.cpp, line 75.
(gdb) c
Continuing.
Warning:
Cannot insert breakpoint 1.
Error accessing memory address 0xafff1b1a: Input/Output error.So it looks like the breakpoint gets set ok, and that the symbols are ok, but maybe the address is wrong when it tries to insert the breakpoint. I've tried several variations of different commands from the webpage referenced above, but so far, no luck.Any ideas what's going on?
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Jul 26, 2010
added a quick demo video of our upcoming Android Infrared (IR) Remote.Initially it will support a full IR dbase of 300,000+ IR codes, IR learner for any code not in the dbase, Pre-Built GUI so it is simple to setup. Will add rs232, relays, and other tcp options also after initial release.
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Aug 1, 2010
Looking for an App to remote to my desktop.I am trying to see if I can access magicjack on my desktop and make true voip calls.
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Feb 26, 2009
In my logcat following messages, anybody clear me what is meaning of thismesg ........
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Sep 22, 2010
I am trying to understand threads and how they work, and when, etc. I expected the pid in LogCat to be different in the background thread logs but the pid is always the same. Is the pid something other than the thread ID? If it is, is there a way to indicate the thread ID in LogCat?
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Jun 30, 2010
Here's a snip that successfully reads off, to Eclipse LogCat, the height and width of the .PNG on the SD card:
import android.app.Activity; import android.os.Bundle;
import android.util.Log; import android.graphics.Bitmap;
import android.graphics.BitmapFactory; import android.os.Environment;
//...
Bitmap bmp = BitmapFactory.decodeFile(Environment.getExternalStorageDirectory().getAbsolutePath() + "/sample.png");
int width = bmp.getWidth(); int height = bmp.getHeight();
int[] pix = new int[width * height]; bmp.getPixels(pix, 0, width, 0, 0, width, height);
int R, G, B; for (int y = 0; y < height; y++){ for (int x = 0; x < width; x++) { int index = y * width + x;
R = (pix[index] >> 16) & 0xff; //bitwise shifting G = (pix[index] >> 8) & 0xff; B = pix[index] & 0xff;
// [This is where I'd put it. But I can't get a red line off the editor when I do anything.] } } Log.v(TAG, width + " " + height);
I can't for the life of me use Log.v() to report the value of R or G or B. Everything I'm doing draws a red line under v or something when I try. I've tried toString() and everything.
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Apr 5, 2010
This is pretty simple: I'm using NetBeans on Linux with Android emulator 1.6. I have Logcat on my android phone, but the process of getting the messages to somewhere readable isn't smooth at all. Can someone tell me how to get Logcat running on the emulator? Is there anything I can do to see debug messages other then having to copy the apk to my phone and testing it?
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Feb 3, 2010
Is there any way to get the file where logcat logs, and export it? I have tried running "logcat" and redirecting the output, but really it's not what I'm looking for.
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Feb 12, 2010
It just doesn't print anything..it's empty.
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Mar 29, 2009
Usually I can see the exceptions that are thrown in my application via adb logcat. But they seem to get lost when thrown by code running in a somehow different Thread. I use the Smack Library to receive XMPPMessages. When the receiving thread throws a NullPointerException that is not logged. I can catch it myself and log it with android.util.Log. Is it possible to have logcat show all stacktraces from all exceptions thrown in all Threads?
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Sep 4, 2009
It would be immensely helpful to me if I could make a logcat app to run directly on my G1 for when problems occur on the road that I can't seem to reproduce at home (one problem in particular) Any experts out there know if this is possible? If it is what do I need to know?
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Mar 9, 2010
I am trying to figure out why my app forces close immediately on a nexus one (recurring comment which is dragging my rating down). Ironically, I heard a rumor that if I had just a half star more (up to 3.5 from 3), I would qualify to get a free nexus one from google. If anybody has a nexus one and can connect it up to get the logcat dump of the stack trace of the error. You can find my app by searching for "Compass Ball" on the market.
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Feb 14, 2010
I'm using the Eclipse plugin to view log output using LogCat. I want to use a filter all messages with the tag. But it doesn't work, how can I do this?
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Apr 6, 2009
I put calls to LOGV() in my cpp file in WebKit code in andorid, but I don't see any log statements when I run 'adb logcat' in another shell. But as soon as I change it to LOGE(), I see them. Can you please tell me how can I see the log content of LOGV?
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Nov 5, 2009
Is there any way to get crash logs from android for a released application? I'm wondering if there's some way for a user to email me logcat output so I can see a strack trace if my app crashes.
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Nov 15, 2009
Since getting Eclipse to recognize and debug both the emulator and a usb connected device I have been unable to see any of my embedded Log.x messages appear in LogCat log. I do though still see real time system messages appear in the log. Log.x was originally working when all the debugger would recognize was the emulator. I had to tweak a number of profile and project settings to get debug to work with the device and may have inadvertently toggled something having to do with LogCat. But I don't see anything that sticks out in the menu's as possibly causing the log problem.
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Apr 3, 2010
Is there a way to make LogCat's output to appear in Console view in Eclipse? LogCat view is much less convenient that Console, because it's hard to see long messages in it (they are trimmed by column border) and there are no clickable highlighting in exception stack traces to quickly navigate to source of error. Just to make clear - I'd like to have clickable stacktraces, like the ones in normal Eclipse console so I can quickly navigate to the source of error.
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Aug 27, 2010
Is there any library out there that allows me to receive logs from the app via email?
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May 1, 2009
After installing Android 1.5 on my ADP I can't check logcat directly from the phone.
When running 'su', in terminal, I get 'uid XXXXX not allowed to su'. 'logcat' gives permission denied /dev/log/main.
If I get an exception/force close in any of my apps I'd like to be able to check the stack trace/logs without having to connect it to a computer. I guess it could be possible to check any created traces.txt files later.
I know I can check logcat with adb logcat, or adb root shell, logcat. Is there a way of checking logcat directly from the phone?
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Feb 16, 2010
When i run my program, logcat shows a lot of activity with GC like.
CODE:..................
With diff in obj, bytes and ms values...is it because of some bad practice of coding ?
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Jul 23, 2010
How can I empty the logcat buffer in Android? I use adb logcat from command line and pipe the output to a file, since the DDMS has a very limited buffer. At the moment, when I restart my app (after fixing bugs etc) the logcat buffer has data from the previous launch as well. Even uninstalling the app does not clear the buffer. The only way I've found so far to clear the buffer, is reboot. This is effective, but would like to know if there's an easier way.
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Aug 25, 2010
Does anyone know how to filter out the logcat ('adb shell logcat') so that it only shows the log statements after current date and time ?
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