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I'd like to filter out everything from the log, except for my app's processes. I know that I can specify priority levels, but I want to be able to do more than that. I wanna get rid of all the other stuff that's going on in the phone that's being logged. How can I do this?
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Logcat is a command-line tool that dumps a log of system messages, including stack traces when the device throws an error and messages that you have written from your app with the Log class. This page is about the command-line logcat tool, but you can also view log messages from the Logcat window in Android Studio.
Verbose - Show all log messages (the default). Debug - Show debug log messages that are useful during development only, as well as the message levels lower in this list. Info - Show expected log messages for regular usage, as well as the message levels lower in this list.
pid = process ID. uid = user ID of the application that owns that process. gid = group IDs of the application that owns that process.
If you're viewing the logs in the Eclipse debug view, you can do this very easily by just clicking the Create Filter button (green + sign).
If not using Eclipse, specify the filter on the command line as follows (example from the Android docs):
Here's an example of a filter expression that suppresses all log messages except those with the tag "ActivityManager", at priority "Info" or above, and all log messages with tag "MyApp", with priority "Debug" or above:
adb logcat ActivityManager:I MyApp:D *:S
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