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Android Development
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Viewing Alternative Log Buffers

The Android logging system keeps multiple circular buffers for log messages, and not all of the log messages are sent to the default circular buffer. To see additional log messages, you can start logcat with the -b option, to request viewing of an alternate circular buffer. You can view any of these alternate buffers:

  • radio — View the buffer that contains radio/telephony related messages.
  • events — View the buffer containing events-related messages.
  • main — View the main log buffer (default)

The usage of the -b option is:

[adb] logcat [-b <buffer>]

Here's an example of how to view a log buffer containing radio and telephony messages:

adb logcat -b radio
Android Development
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