Android :: Trace File Is Created But Empty
Jul 23, 2009
I have a problem with creating a trace file containing logs on my app. I use Debug.startMethodTracing("tracing"); and in my onDestroy() method i stop the methodTracing. Everything is going fine, like my file is created on my phone BUT it is empty, and i don't get why because it worked once and since i can't get it working. Here is the log ive got, and it says that it is writting on the file, so this is acting a bit weird. Code...
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Feb 1, 2010
I am trying to follow the instructions on this page to create a trace file. I can see the file in File Explorer in DDMS and can pull it onto my PC but it is zero bytes long.
Any suggestions as to what I might be doing wrong, please?
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May 21, 2010
I created sdcard and mounted it on my emulator , after closing my app , when i try to pull to copy the files (using command:adb pull /sdcard/calc.trace /tmp)i get this error:"remote object /sdcard/calc.trace does not exist".I am listin gdown the commands in sequence.
1)f:>mksdcard 1024 ./myimage
2)f:>emulator -sdcard ./myimage -avd 1
3)(After running my app and exiting the app)adb pull /sdcard/calc.trace /tmp
In my activity i have start/stop method tracing with fiename calc.trace. i am running windows.
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Apr 23, 2010
I tried using the MapActivity as given in the following link. http://developer.android.com/guide/tutorials/views/hello-mapview.HTML
I get the error in LogCat : DalvikVm: unable to open stack trace file android '/data/anr/traces.txt' Permission Denied. May I know why this happens. However, after making some changes in the code as shown below, I get the map view perfectly.code...
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Sep 25, 2009
Sometimes in LogCat I'll see Wrote stack trace to '/data/anr/traces.txt'
But when using the DDMS perspective, "File Explorer" View, I can't see anything in the "data" directory, I'm assuming because permission denied. Is there a way (short of rooting my ion device) to read what's in that text file?
Is there perhaps an android app for developers that will show the contents of the file? It would seem there would have to be some way of reading the file without rooting the device, otherwise why does the o.s. write it out? How can I read this file?
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Sep 25, 2009
I have this problem. Two apps: app_a and service_s. Service_S creates file in /tmp. After create this file, service_s uses FileUtils.setPermission to change file mode to 666. Then app_a tries to delete this file. But I always failed when deleting. It seems the files are private. One application cannot delete files which another application creates. Is there any way to delete this file?
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Jun 17, 2010
Do anyone have a file in the root directory of your SD card named search.trace? I have one that is about 8.5 megs. I took a look at it but it didn't look like the entries were specific to a particular app. Looks like some system log. Anyone know if there would be a problem deleting it?
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Apr 25, 2010
I am trying to save an arraylist to a .txt file below is the code I am using, which runs without error but when I try to go to Astro file manager and browse the data folder there is nothing there.
String filename = stationname.getText().toString() + System.currentTimeMillis();
FileOutputStream fos = openFileOutput(filename,Context.MODE_PRIVATE);
ObjectOutputStream out = new ObjectOutputStream(fos);
out.writeObject(report);
Report is the ArrayList that holds each of my station Reports.
out.close();
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Jun 26, 2009
I create a local file in my activity like this: How can I pass the URI of this file to another Activity? And do I need to set any permission (file permission, manifest permission) to allow other Activity to use that file?
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Aug 10, 2009
In one android application, I created a database file in data/data/com.rams/databases/dbfilename.
If I created a second application with the same package name (com.rams) and I access the database file created with my first application, the second application is able to access the database contents.
How can I secure the database file created with my first application?
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Sep 22, 2010
For some reason the empty view (TextView in this case) always appears, even when the List is not empty. I thought the ListView would automatically detect when to show the empty view.How can I hook up the empty view properly?
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Jul 20, 2010
I'm developing for the Android platform.
My app creates a temp file with a simple call to:
FileOutputStream fos = openFileOutput("MY_TEMP.TXT",Mode);
It works fine because I can write to it and read it normally.
The problem is that when I exit from the app I want to delete this file. I used:
File f = new File(System.getProperty("user.dir"),"MY_TEMP.TXT");
f.delete()
But it always returns false and the file is not deleted.
I have tried
File f = new File("MY_TEMP.TXT");
f.delete();
And it does not work either.
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Jun 22, 2010
I want to create a grid of images with text right below the images.
I created in a xml file a image_text item which basically is a linearlayout with and imageview and a textview right below.
I created a tablelayout and I want to add my custom image_text.xml to the table row. But I dont know how to reference my xml file inside. If I use the include statament, how do I pass the image id and text to my item_text.xml? code...
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Aug 25, 2009
I am launching the VideoCamera activity from my main activity but not able to get a callback to read the file created.
Does anyone have an example on how to do this?
This is what I have:
CODE:................
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Sep 8, 2012
First there is this:
Code:
File wave1 = new File(wavFile1);
if(!wave1.exists())
throw new Exception(wave1.getPath() + " - File Not Found");
[Code]...
but android dosen't support java.sound.sampled
there is also this:
Code:
private void merge2WavFiles(String wavFile1, String wavFile2, String newWavFilePath) {
long RECORDER_SAMPLERATE = 44100;
long RECORDER_BPP = 16;
[Code]...
but is also dosen't work.
In all cases the result sound file is empty without sound.
How can I merge two *.wav files?
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Nov 23, 2010
I'm trying to do my first ROM install and am following these instructions which no one seems to be complaining about: FAQ - Cognition Wiki
Seemed pretty straightforward, but isn't working because I have no update.zip created by ROM Manager. When I did the "Flash ClockworkMod Recovery" step no update.zip file was created in the internal SD root. Buried in the clockwork mod folder is recovery-clockwork-2.5.1.2-captivate.zip, do I move this and rename it?
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Aug 18, 2010
Just made an update.zip using Titanium Backup 3.4.1. Can anybody help me with how to sign it as it is unsigned. I am sure an unsigned update.zip can't be installed from the recovery menu.
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Mar 1, 2010
i want to delete file data that i have created in android application. if my application is terminated abnomally or nomally?
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Sep 12, 2010
This person has been texting me none stop for 3 days I've even involved the police who didn't even bother since its a cricket wireless # they can't trace. This person seems obsessed and at times honestly scares me. They've sent over a hundred texts in less than an hour. Pls I've tried googling but come up with year old posts that lead to nothing. Market searches lead to only bad reviews.
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Jul 22, 2009
How to trace the HTTP requests/responses e.g. by using Wireshark? I am using soap web services i want tocheck wheather the soap request from the web service sis going properly.I neee the Xml response from the server but non xml format i am getting how to check this request and response using Wireahark or any other process.
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Sep 20, 2010
My game is crashing on the HTC Hero and I have managed to get a user to send me their log. I don't see a Java stack trace at all. It looks like it's crashing in the OpenGL driver. I was wondering how I could go about trying to determine the problem. I was thinking of adding that acra project that sends crash reports to a server but I am thinking it will just send the same that is in this log. I have error checking everywhere so I am really at a lose where to go from here. I even went out and bought a HTC Hero but Canada only has 1.5 for the OS. Code...
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Dec 16, 2009
So I have an app on the market with >10k active users. I have recieved maybe 50 complaints from Droid-user that the program crashes arbitrarily. I have not been able to replicate the error with my own droid, but I got one of the to send me this crash log. However, it does not reference the application. Do you have any suggestions on how to track down this error? I stand baffled.
11-25 16:18:03.730 D/AndroidRuntime( 2964): Shutting down VM 11-25 16:18:03.730 W/dalvikvm( 2964): threadid=3: thread exiting with uncaught exception (group=0x4001b180) 11-25 16:18:03.730 E/AndroidRuntime( 2964): Uncaught handler: thread main exiting due to uncaught exception 11-25 16:18:03.761 E/AndroidRuntime( 2964): java.lang. Code...
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Jul 6, 2010
Even explicitly writing e.printStackTrace() it doesn't print to the console, why?
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Jun 16, 2010
I'm currently trying to debug an issue with my application and I wanted to see if my internal proxy is sending the data in the proper order. Is there any way to essentially sniff my proxy pipe?
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Jul 14, 2010
Does anybody know how can I get the build-in function call trace on Android phone?
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Jun 8, 2010
How do I fix a bug that doesn't point to any of my code? I got the stack trace below from the Marketplace crash reports, but I have no clue how to fix it since it points to none of my own code.
java.lang.NullPointerException:at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:487)at android.view.View.measure(View.java:7964)at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3023) at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)at android.view.View.measure(View.java:7964)at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3023)at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)at android.view.View.measure(View.java:7964)at android.view.ViewRoot.performTraversals(ViewRoot.java:763)at android.view.ViewRoot.handleMessage(ViewRoot.java:1633)at android.os.Handler.dispatchMessage(Handler.java:99)at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4363)at java.lang.reflect.Method.invokeNative(Method.java:-2)at java.lang.reflect.Method.invoke(Method.java:521)at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)at dalvik.system.NativeStart.main(NativeStart.java:-2)
I'm not seeing any issues on any emulators or devices.
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Jul 4, 2009
I'm moving a project to the new Android Native Development Kit (i.e. JNI) and I'd like to catch SIGSEGV, should it occur (possibly also SIGILL, SIGABRT, SIGFPE) in order to present a nice crash reporting dialog, instead of (or before) what currently happens: the immediate unceremonious death of the process and possibly some attempt by the OS to restart it. (Edit: The JVM/Dalvik VM catches the signal and logs a stack trace and other useful information; I just want to offer the user the option to email that info to me really.)
The situation is: a large body of C code which I didn't write does most of the work in this application (all the game logic) and although it's well-tested on numerous other platforms, it's entirely possible that I, in my Android port, will feed it garbage and cause a crash in native code, so I want the crash dumps (both native and Java) that currently show up in the Android log (I guess it would be stderr in a non-Android situation). I'm free to modify both C and Java code arbitrarily, although the callbacks (both going in and coming out of JNI) number about 40 and obviously, bonus points for small diffs.
I've heard of the signal chaining library in J2SE, libjsig.so, and if I could safely install a signal handler like that on Android, that would solve the catching part of my question, but I see no such library for Android/Dalvik.
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May 17, 2010
How to trace the Memory Leaks in Android Development? I am working on eclipse IDE to develop the application. i cant find out how to rectify the memory or window Leaks Exceptions? Any Idea.
Mainly the Window Leaked error raises the Illegal Argument Exception? how to rectify both og this.
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Apr 7, 2010
I'm currently working on an android app that pulls a list of forums from a JSON feed. I'm trying to parse the feed and immediately upon calling getJSONArray a JSON exception is being thrown with no stack trace. The JSON being returned is stored in an JSONObject jobj with the format as follows: However when running the following code, I get an immediate exception without a stack trace: Code...
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Mar 16, 2010
I am now reading contentProvider.java( under the base/core/java/android/content)
Ln 127 looks following:
CODE:..........
I'm really confused about that contentProvider invoke this.query()
CODE:.................
where is it implement? How can i find it? anyone can tell me?
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