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I am a beginner in Android Development. When I run my app in emulator ,i can see logs of my app in Logcat. But when I run the same app in android device, No logs filed in Catlog app. Can anyone tell me what i have missed here?

Jamal
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For security reasons, apps can only read their own logs starting from 4.1 on an unrooted device:

https://code.google.com/p/android/issues/detail?id=34792

FD_
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  • This is only for doing it programmatically (read logs from other apps with an app), you can still see the logs of other apps in the logcat >4.1. – Manuel Allenspach Feb 18 '14 at 13:19
  • @Jamal is referring to an app: `No logs filed in Catlog app`. I guess it's this app: https://play.google.com/store/apps/details?id=com.nolanlawson.logcat – FD_ Feb 18 '14 at 13:19
  • @FD_: Thanks for the reply. yes, you are correct. The logs are not filed in the Catlog app downloaded from "https://play.google.com/store/apps/details?id=com.nolanlawson.logcat". So is there any way to trace the logs? Actually my client is testing the app. But it crashed often. So how can I get the logs from client's device? – Jamal Feb 18 '14 at 13:41
  • Just write a simple helper class that appends log lines to a text file. Soemthing like this: http://stackoverflow.com/a/6209739/1691231. That's what I did for one of my projects. – FD_ Feb 18 '14 at 13:44