Logcat not displaying my log calls

Question

I m a total noob at Android programming  and wanted to learn how to debug my apps   I can t seem to have my Log i d v calls displayed in the LogCat     Here s the code that I m using   As you can see I have defined a LOG TAG constant  but can t seem to find it in the LogCat   I have also imported android util Log AND I have made sure that in my AndroidManifest I have  debuggable  set to TRUE   I have also checked http   developer android com reference android util Log html w o any luck resolving this issue     What am I doing wrong   Am I even looking in the right place   I ve tried using the DDMS and Debug perspective as well w o any luck   Any help to this noob would be greatly appreciated   Thanks   My environment  Windows XP IDE   Eclipse Version  3 6 1  Build id  M20100909-0800 Emulator   having it point to android sdk 2 1 api 7    very basic HELLO World code with a couple of Log i calls  import android app Activity  import android os Bundle  import android util Log   public class debugger extends Activity       private static final String LOG TAG    debugger            Called when the activity is first created          Override     public void onCreate Bundle savedInstanceState            Log i LOG TAG   line 13            super onCreate savedInstanceState           setContentView R layout main            Log i LOG TAG   CREATING NOW

User · Answer

QUICK FIX   Just restart the eclipse  Works Perfect

User · Answer

If all else fails   I did all the above things and couldn t figure out what was wrong    Test with   adb logcat   to figure out that my entries were infact in logcat  but twas adt s quirks    Fix      Restart eclipse   This was the only thing that fixed it

User · Answer

For eclipse  1  Go to ddms perspective  2  Make sure that correct device is selected  3  If already selected and not displaying logs  then restart ABD    Hope this will solve

User · Answer

I needed to restart the adb service with the command adb usb  Prior to this I was getting all logging and able to debug  but wasn t getting my own log lines  yes  I was getting system logging associated with my application

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None of the other answers worked for me  but this did   I removed my project from my workspace  then deleted anything that started with a dot   settings   project  etc   from the project folder   Then I re-imported the projected   I m missing some settings and breakpoints but at least it works

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I made the mistake of typing in a search term in the logcat search box  I forgot to delete it and hence couldn t see the new logs  Since they didn t match my search term and weren t displayed

User · Answer

There is one more thing to watch for   On the top right side of the logcat there is a dropdown table for filtering messages by type  Make sure it s on the level you are looking for  if it will be on the assert level  it will likely leave your logcat empty

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When using Eclipse  in the DDMS perspective  make sure the correct device  propably emulator-xxxx  is selected and highlighted  Only then will you get the logcat output in the logcat view   Also  the Android plugin is a bit quircky  and sometimes only shows the last line in the logcat view  If this happens  try to clear the log  After that  you should get all the log entries again  works for me anyway

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Best solution for me was restart adb server  while I have Enabled ADB integration in Android studio - Tools - Android - checked   To do this quickly I created adbr bat file inside android-sdk platform-tools directory  where is adb exe located  with this inside   adb kill-server adb start-server   Because I have this folder in PATH system variable  always when I need restart adb from Android studio  I can write only into terminal adbr and it is done   Another option to do this is through Android Device Monitor in Devices tab - Menu after click on small arrow right - Reset adb

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Probably it s not be correct  and a little bit longer  but I solved this problem  Android Studio  by using this   System out println  Some text here      Like this   try             code here      catch Exception e      System out println  Error desc      e getMessage

User · Answer

I figured out I was automatically importing com sileria Log  from some library project  instead of android util Log  where the latter was the correct one  Check your imports as well

User · Answer

I had a problem seeing simple log output in logcat as well  My problem was solved when I installed the latest JDK  I just setup a new development machine and only had the JRE installed and instaling the JDK worked for me

User · Answer

You re trying to put Running Code on Working space   so try to put your code on running code

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Using the SDK 4 0 3 you have to explicitly select it on debug configurations   project   target or else it will never show using Eclipse Indigo  3 7   Of course an eclipse restart ensues

User · Answer

I spent several hours on such case  I saw only touch keys logs  Nothing more  Problem was    smarthphone  After restarting was OK  Disconnecting cable caused problem returned  Had to restart it again  Looks like the Android USB communication is not well designed

User · Answer

make your app force close once this will start LogCat again      use this for force close  D  setContentView BIND AUTO CREATE

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some times the problem is not from pc on the other hand IDE ADB etc  but it arises from your device that doesn t send logs to ADB so if you tried all the ways mentioned before and still your logcat is empty try to restart your device and try again I tried all the ways mentioned above and neither of them worked but after a restart on my phone logcat worked like magic

User · Answer

After upgrade to Android 3 6 1  I have experienced this issue multiple times  The only thing that works in my case is RESTARTING THE DEVICE

User · Answer

In my case I just had to add a name to the String  In first instance I just had a space in between the brackets  private static final String TAG          but after adding a name it worked perfectly    private static final String TAG    oncreate

User · Answer

There are a number of reasons why you might not see logs  most of which are listed below   Here are some steps to check most reasons    Make sure you don t have  android debuggable  false   in your AndroidManifest xml Make sure your logcat isn t paused and make sure you are scrolled to the bottom Your filters should either be  no filters  or your current app You have the correct device selected in your logcat devices list If you re not getting any messages  try restarting adb   You can do that from Android Studio by clicking on the  restart  icon  it s right after the print icon for logcat and it looks like a green curved arrow coming out of a box   If you don t see it  mouse over the      that continues the icon menu when the logcat is too small

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Easiest way   Check in your logcat window - TOP RIGHT corner PAUSE button      Pause receiving new logcat messages   Few clicks   eventually restart eclipse  usually works in my case

User · Answer

I m a newb as well to Android-Eclipse  Here s what it took for me to get LogCat messages to display in Eclipse  1  add this to the class in which the logcat message is called  private static final String TAG    MyActivity    per the documentation here   2  add this         Log i TAG   inLayout - finished    when you where you want to display a message  If the above doesn t work  then shutdonw Eclipse and restart it and rerun your project   It should then work

User · Answer

On Android Studio  Click on the green arrow pointing to the right to restart the logging  if it is not visible  click on the    icons to locate it

User · Answer

Restart Eclipse and check log cat will be displayed

User · Answer

Please go to Task Manager and kill the adb exe process  Restart your eclipse again   or   try adb kill-server and then adb start-server command

User · Answer

I ve noticed that Eclipse will sometimes throw an exception upon starting an Android app  then LogCat stops updating  I ve corrected that by simply restarting Eclipse  I m not sure if you ve tried that and I know it s far from an optimal solution  but I suspect that the Eclipse plugin still has a few bugs to iron out

User · Answer

I ve had the same problem using Android Studio and managed to get around by selecting No Filters in the select box in the top right corner of LogCat  By doing this I started receiving everything Android logs in the background into LogCat including my missing Log calls

User · Answer

I had been experiencing this problem and nothing seemed to work until I moved the log call into a handler   Now it works every time  no matter where you are at

User · Answer

In my case  I had to remove this line        lt application          android debuggable  false    lt  -- Remove this line -- gt                 gt    From Application tag in my Manifest file

User · Answer

I restarted the ADB service as well with  adb usb  and fixes the problem for me  In fact  only one of my activities didn t log anymore  All the others did log stuff  After restart adb everything works like a charm again  For the other people who re searching for another solution  adb kill-server  adb start-server in CLI will often fix your problem aswell

User · Answer

I have this problems and fixed  String TAG without space    my tag     noting show  my tag     is ok

[android] Logcat not displaying my log calls

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