How do I obtain crash-data from my Android application

Question

How can I get crash data  stack traces at least  from my Android application  At least when working on my own device being retrieved by cable  but ideally from any instance of my application running on the wild so that I can improve it and make it more solid

User · Answer

Now a days Firebase Crash reports are very popular and easier to use  Please refer following link for more information   Firebase Crash Reporting   Hope it will help you

User · Answer

use this to catch the exception details   String stackTrace   Log getStackTraceString exception      store this in database and maintain the log

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You can also try  BugSense  Reason  Spam Redirect to another url  BugSense collects and analyzed all crash reports and gives you meaningful and visual reports  It s free and it s only 1 line of code in order to integrate   Disclaimer  I am a co-founder

User · Answer

Thanks resources present in Stackoverflow in helping me to find this answer   You can find your remotely Android crash reports directly into your email  remmember you have to put your email inside CustomExceptionHandler class   public static String sendErrorLogsTo    tushar pandey virtualxcellence com      Steps required    1st  in onCreate of your activity use this section of your code       if   Thread getDefaultUncaughtExceptionHandler   instanceof CustomExceptionHandler             Thread setDefaultUncaughtExceptionHandler new CustomExceptionHandler this               2nd  use this overridden version of CustomExceptionHandler class of   rrainn    according to my phpscript   package com vxmobilecomm activity   import java io BufferedReader  import java io IOException  import java io InputStream  import java io InputStreamReader  import java io PrintWriter  import java io StringWriter  import java io Writer  import java lang Thread UncaughtExceptionHandler  import java util ArrayList  import java util List   import org apache http HttpEntity  import org apache http HttpResponse  import org apache http NameValuePair  import org apache http client ClientProtocolException  import org apache http client HttpClient  import org apache http client entity UrlEncodedFormEntity  import org apache http client methods HttpPost  import org apache http entity BufferedHttpEntity  import org apache http impl client DefaultHttpClient  import org apache http message BasicNameValuePair   import android app Activity  import android content Context  import android content pm ApplicationInfo  import android content pm PackageManager  import android content pm PackageManager NameNotFoundException  import android os AsyncTask  import android util Log   public class CustomExceptionHandler implements UncaughtExceptionHandler        private UncaughtExceptionHandler defaultUEH      public static String sendErrorLogsTo    tushar pandey virtualxcellence com         Activity activity       public CustomExceptionHandler Activity activity            this defaultUEH   Thread getDefaultUncaughtExceptionHandler            this activity   activity             public void uncaughtException Thread t  Throwable e             final Writer result   new StringWriter            final PrintWriter printWriter   new PrintWriter result           e printStackTrace printWriter           String stacktrace   result toString            printWriter close            String filename    error    System nanoTime       stacktrace            Log e  Hi    url    null            sendToServer stacktrace  filename            StackTraceElement   arr   e getStackTrace            String report   e toString       n n           report     --------- Stack trace --------- n n           for  int i   0  i  lt  arr length  i                  report             arr i  toString       n                     report     ------------------------------- n n            report     --------- Cause --------- n n           Throwable cause   e getCause            if  cause    null                report    cause toString       n n               arr   cause getStackTrace                for  int i   0  i  lt  arr length  i                      report             arr i  toString       n                                   report     ------------------------------- n n            defaultUEH uncaughtException t  e              private void sendToServer String stacktrace  String filename            AsyncTaskClass async   new AsyncTaskClass stacktrace  filename                  getAppLable activity            async execute                 public String getAppLable Context pContext            PackageManager lPackageManager   pContext getPackageManager            ApplicationInfo lApplicationInfo   null          try               lApplicationInfo   lPackageManager getApplicationInfo                      pContext getApplicationInfo   packageName  0             catch  final NameNotFoundException e                      return  String   lApplicationInfo    null   lPackageManager                  getApplicationLabel lApplicationInfo     Unknown               public class AsyncTaskClass extends AsyncTask lt String  String  InputStream gt            InputStream is   null          String stacktrace          final String filename          String applicationName           AsyncTaskClass final String stacktrace  final String filename                  String applicationName                this applicationName   applicationName              this stacktrace   stacktrace              this filename   filename                      Override         protected InputStream doInBackground String    params                          HttpClient httpclient   new DefaultHttpClient                HttpPost httppost   new HttpPost                       http   suo-yang com books sendErrorLog sendErrorLogs php                  Log i  Error   stacktrace                try                   List lt NameValuePair gt  nameValuePairs   new ArrayList lt NameValuePair gt                           6                    nameValuePairs add new BasicNameValuePair  data   stacktrace                    nameValuePairs add new BasicNameValuePair  to  sendErrorLogsTo                    nameValuePairs add new BasicNameValuePair  subject  applicationName                     httppost setEntity new UrlEncodedFormEntity nameValuePairs                     HttpResponse response   httpclient execute httppost                    HttpEntity entity1   response getEntity                     BufferedHttpEntity bufHttpEntity   new BufferedHttpEntity                          entity1                    is   bufHttpEntity getContent                   catch  ClientProtocolException e                    e printStackTrace                  catch  IOException e                    e printStackTrace                               return is                      Override         protected void onPostExecute InputStream result                super onPostExecute result                Log e  Stream Data   getStringFromInputStream is                            convert InputStream to String     private static String getStringFromInputStream InputStream is             BufferedReader br   null          StringBuilder sb   new StringBuilder             String line          try                br   new BufferedReader new InputStreamReader is                while   line   br readLine       null                    sb append line                            catch  IOException e                e printStackTrace              finally               if  br    null                    try                       br close                      catch  IOException e                        e printStackTrace                                                       return sb toString

User · Answer

If your app is being downloaded by other people and crashing on remote devices  you may want to look into an Android error reporting library  referenced in this SO post   If it s just on your own local device  you can use LogCat  Even if the device wasn t connected to a host machine when the crash occurred  connected the device and issuing an adb logcat command will download the entire logcat history  at least to the extent that it is buffered which is usually a loooot of log data  it s just not infinite   Do either of those options answer your question  If not can you attempt to clarify what you re looking for a bit more

User · Answer

There is this android library called Sherlock  It gives you the full report of crash along with device and application information  Whenever a crash occurs  it displays a notification in the notification bar and on clicking of the notification  it opens the crash details  You can also share crash details with others via email or other sharing options   Installation  android       dataBinding         enabled   true          compile  com github ajitsing sherlock 1 0 0 aar         transitive   true     Demo

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Google changed how much crash reports you actually get  Previously you only got manual reported bug reports   Since the last developer conference and the introducation of Android Vitals you also get crash reports from users which have enabled to share diagnostics data      You ll see all crashes collected from Android devices whose users have opted in to automatically share usage and diagnostics data  Data is available for the previous two months    View crashes  amp  application not responding  ANR  errors

User · Answer

You might try the ACRA  Application Crash Report for Android  library      ACRA is a library enabling Android Application to automatically post their crash reports to a GoogleDoc form  It is targetted to android applications developers to help them get data from their applications when they crash or behave erroneously     It s easy to install in your app  highly configurable and don t require you to host a server script anywhere    reports are sent to a Google Doc spreadsheet

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If you want answers immediately you can use logcat   adb shell logcat -f  sdcard logoutput txt   E  If there s too much junk in your log right now  try clearing it first    adb shell logcat -c  Then try running your app then logcat again

User · Answer

It is possible to handle these exceptions with Thread setDefaultUncaughtExceptionHandler    however this appears to mess with Android s method of handling exceptions  I attempted to use a handler of this nature   private class ExceptionHandler implements Thread UncaughtExceptionHandler        Override     public void uncaughtException Thread thread  Throwable ex           Log e Constants TAG   uncaught exception handler  uncaught exception in thread     thread getName    ex              hack to rethrow unchecked exceptions         if ex instanceof RuntimeException              throw  RuntimeException ex          if ex instanceof Error              throw  Error ex             this should really never happen         Log e Constants TAG   uncaught exception handler  unable to rethrow checked exception              However  even with rethrowing the exceptions  I was unable to get the desired behavior  ie logging the exception while still allowing Android to shutdown the component it had happened it  so I gave up on it after a while

User · Answer

Just Started to use ACRA https   github com ACRA acra using Google Forms as backend and it s very easy to setup  amp  use  it s the default   BUT Sending reports to Google Forms are going to be deprecated  then removed   https   plus google com 118444843928759726538 posts GTTgsrEQdN6 https   github com ACRA acra wiki Notice-on-Google-Form-Spreadsheet-usage  Anyway it s possible to define your own sender https   github com ACRA acra wiki AdvancedUsage wiki-Implementing your own sender you can give a try to email sender for example   With minimum effort it s possible to send reports to bugsense  http   www bugsense com docs android acra  NB The bugsense free account is limited to 500 report month

User · Answer

This is very brute  but it is possible to run logcat anywhere  so a quick and dirty hack is to add to any catch block getRuntime   exec  logcat  gt  gt   sdcard logcat log

User · Answer

You can do this directly in Android Studio  Just connect your phone  run the app  let it crash and you can view the stacktrace directly in Android Studio

User · Answer

Google Play Developers Console actually gives you the Stack traces from those apps that have crashed and had sent the reports  it has also a very good charts to help you see the information  see example below

User · Answer

Google Firebase is Google s latest 2016  way to provide you with crash error data on your phone   Include it in your build gradle file    compile  com google firebase firebase-crash 9 0 0    Fatal crashes are logged automatically without requiring user input and you can also log non-fatal crashes or other events like so    try      catch Exception ex        FirebaseCrash report new Exception ex toString

User · Answer

We use our home-grown system inside the company and it serves us very well  It s an android library that send crash reports to server and server that receives reports and makes some analytics  Server groups exceptions by exception name  stacktrace  message  It helps to identify most critical issues that need to be fixed  Our service is in public beta now so everyone can try it  You can create account at http   watchcat co or you can just take a look how it works using demo access http   watchcat co reports index php demo

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I ve been using Crittercism for my Android and iOS apps -- heard about them on techcrunch   Pretty happy with them so far

User · Answer

I m one of the founders of Bugsnag which we designed for exactly this purpose  Bugsnag automatically captures unhandled exceptions in Android apps and sends them to our dashboard  where you can prioritize fixes and dive into diagnostic information   Here are some important things to consider when selecting or building a crash reporting system  along with some code snippets    Detects unhandled exceptions automatically  example code  Collects diagnostic data such as memory usage  device info  etc  example code  Effectively groups crashes together by root cause Allows you to track actions the user took before each crash to help reproduce  example code    If you want to see some best practices around crash handling reporting on Android you can check out the full source code for Bugsnag s crash reporting library which is fully open source  feel free to tear this apart and use it in your own applications

User · Answer

While many of the answers on this page are useful  it is easy for them to become out of date  The AppBrain website aggregates statistics which allow you to find the most popular crash reporting solution that is current   Android crash reporting libraries    You can see that at the time of posting this picture  Crashlytics is used in 5 24  of apps and 12 38  of installs

User · Answer

Ok  well I looked at the provided samples from rrainn and Soonil  and I found a solution that does not mess up error handling   I modified the CustomExceptionHandler so it stores the original UncaughtExceptionHandler from the Thread we associate the new one  At the end of the new  uncaughtException - Method I just call the old function using the stored UncaughtExceptionHandler   In the DefaultExceptionHandler class you need sth  like this   public class DefaultExceptionHandler implements UncaughtExceptionHandler    private UncaughtExceptionHandler mDefaultExceptionHandler       constructor   public DefaultExceptionHandler UncaughtExceptionHandler pDefaultExceptionHandler             mDefaultExceptionHandler  pDefaultExceptionHandler        public void uncaughtException Thread t  Throwable e                     do some action like writing to file or upload somewhere                     call original handler           mStandardEH uncaughtException t  e                       cleanup  don t know if really required         t getThreadGroup   destroy            With that modification on the code at http   code google com p android-remote-stacktrace you have a good working base for logging in the field to your webserver or to sd-card

User · Answer

You can also use a whole  simple  service for it rather than only library  Our company just released a service just for that  http   apphance com    It has a simple  jar library  for Android  that you add and integrate in 5 minutes and then the library gathers not only crash information but also logs from running application  as well as it lets your testers report problems straight from device - including the whole context  device rotation  whether it is connected to a wifi or not and more   You can look at the logs using a very nice and useful web panel  where you can track sessions with your application  crashes  logs  statistics and more   The service is in closed beta test phase now  but you can request access and we give it to you very quickly   Disclaimer  I am CTO of Polidea  and co-creator of the service

User · Answer

There is a tool called fabric  this is a crash analytic tool  which will allow you to get   crash reports   when application deployed live and during development  Adding this tool to your application was simple as well   When your application crash that report of the crash can be viewed from your fabric io dashboard   thw report was catched automatically it won t ask user for permission  Whether he she want to send the bug crash report  And this is completely free    https   get fabric io

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In Android 2 2 it s now possible to automatically get Crash Reports from Android Market Applications      New bug reporting feature for Android   Market apps enables developers to   receive crash and freeze reports from   their users  The reports will be   available when they log into their   publisher account    http   developer android com sdk android-2 2-highlights html

User · Answer

I found one more great web application to track the error reports   https   mint splunk com   Small number of steps to configure    Login or sign up and configure using the above link  Once you done creating a application they will provide a line to configure like below     Mint initAndStartSession YourActivity this   api key        Add the following in the application s build gradl     android           repositories           maven   url  https   mint splunk com gradle                 dependencies           compile  com splunk mint mint 4 4 0            Add the code which we copied above and add it to every activity      Mint initAndStartSession YourActivity this   api key       That s it  You login and go to you application dashboard  you will get all the error reports   Hope it helps someone

User · Answer

For sample applications and debugging purposes  I use a simple solution that allows me to write the stacktrace to the sd card of the device and or upload it to a server  This solution has been inspired by Project android-remote-stacktrace  specifically  the save-to-device and upload-to-server parts  and I think it solves the problem mentioned by Soonil  It s not optimal  but it works and you can improve it if you want to use it in a production application  If you decide to upload the stacktraces to the server  you can use a php script  index php  to view them  If you re interested  you can find all the sources below - one java class for your application and two optional php scrips for the server hosting the uploaded stacktraces   In a Context  e g  the main Activity   call  if   Thread getDefaultUncaughtExceptionHandler   instanceof CustomExceptionHandler         Thread setDefaultUncaughtExceptionHandler new CustomExceptionHandler                sdcard  lt desired local path gt     http    lt desired url gt  upload php         CustomExceptionHandler  public class CustomExceptionHandler implements UncaughtExceptionHandler        private UncaughtExceptionHandler defaultUEH       private String localPath       private String url                  if any of the parameters is null  the respective functionality         will not be used              public CustomExceptionHandler String localPath  String url            this localPath   localPath          this url   url          this defaultUEH   Thread getDefaultUncaughtExceptionHandler               public void uncaughtException Thread t  Throwable e            String timestamp   TimestampFormatter getInstance   getTimestamp            final Writer result   new StringWriter            final PrintWriter printWriter   new PrintWriter result           e printStackTrace printWriter           String stacktrace   result toString            printWriter close            String filename   timestamp     stacktrace            if  localPath    null                writeToFile stacktrace  filename                     if  url    null                sendToServer stacktrace  filename                      defaultUEH uncaughtException t  e              private void writeToFile String stacktrace  String filename            try               BufferedWriter bos   new BufferedWriter new FileWriter                      localPath         filename                bos write stacktrace               bos flush                bos close              catch  Exception e                e printStackTrace                         private void sendToServer String stacktrace  String filename            DefaultHttpClient httpClient   new DefaultHttpClient            HttpPost httpPost   new HttpPost url           List lt NameValuePair gt  nvps   new ArrayList lt NameValuePair gt             nvps add new BasicNameValuePair  filename   filename            nvps add new BasicNameValuePair  stacktrace   stacktrace            try               httpPost setEntity                      new UrlEncodedFormEntity nvps  HTTP UTF 8                httpClient execute httpPost             catch  IOException e                e printStackTrace                        upload php   lt  php      filename   isset   POST  filename        POST  filename              message   isset   POST  stacktrace        POST  stacktrace             if   ereg    -a-zA-Z0-9          filename      message                 die  This script is used to log debug data  Please send the                      logging message and a filename as POST variables               file put contents  filename   message     n   FILE APPEND     gt    index php   lt  php      myDirectory   opendir           while  entryName   readdir  myDirectory              dirArray      entryName            closedir  myDirectory        indexCount   count  dirArray       sort  dirArray       print   lt TABLE border 1 cellpadding 5 cellspacing 0  n        print   lt TR gt  lt TH gt Filename lt  TH gt  lt TH gt Filetype lt  th gt  lt th gt Filesize lt  TH gt  lt  TR gt  n        for  index 0   index  lt   indexCount   index              if   substr   dirArray  index    0  1                            amp  amp   strrpos   dirArray  index      stacktrace      false                 print   lt TR gt  lt TD gt                 print   lt a href    dirArray  index    gt  dirArray  index  lt  a gt                 print   lt  TD gt  lt TD gt                 print filetype  dirArray  index                 print   lt  TD gt  lt TD gt                 print filesize  dirArray  index                 print   lt  TD gt  lt  TR gt  n                        print   lt  TABLE gt  n      gt

User · Answer

Flurry analytics gives you crash info  hardware model  android version and live app usage stats  In the new SDK they seem to provide more detailed crash info http   www flurry com flurry-crash-analytics html

User · Answer

For an alternate crash reporting exception tracking service check out Raygun io - it s got a bunch of nice logic for handling Android crashes  including decent user experience when plugging it in to your app  two lines of code in your main Activity and a few lines of XML pasted into AndroidManifest    When your app crashes  it ll automatically grab the stack trace  environment data for hard software  user tracking info  any custom data you specify etc  It posts it to the API asynchronously so no blocking of the UI thread  and caches it to disk if there s no network available   Disclaimer  I built the Android provider

User · Answer

I see that the question is too old  and hope my answer is helpful for others having the same issue     Give Crashlytics a try  It will give indepth insight into all the crashes on all the devices having your application  and send a notification to you through email  And the best part is its completely free to use

User · Answer

Late to the party  I support and believe ACRA is the best option among all  Its easy to setup and configure  I have created a detailed guide with inputs from all over to fetch the crash report using ACRA and mail the same to my email address using MandrillAp    Link to post  https   androidician wordpress com 2015 03 29 sending-crash-reports-with-acra-over-email-using-mandrill    Link to sample project on github  https   github com ayushhgoyal AcraSample

User · Answer

I made my own version here   http   androidblogger blogspot com 2009 12 how-to-improve-your-application-crash html  It s basically the same thing  but I m using a mail rather than a http connexion to send the report  and  more important  I added some informations like application version  OS version  Phone model  or avalaible memory to my report

[android] How do I obtain crash-data from my Android application?

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