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Android desktop log viewer

My Android application may save logcat logs to a file. This log file is then sent to developers for analysis.

Is there a nice desktop android log viewer application, which would visualize these logs?

I wasn't able to find a ready to use tool in Android SDK. Maybe I missed something there?

    • Personally, I read logs with less and it's search feature, or occasionally emacs, but that's probably a less polished solution than desired

Desktop tool for reading android logcat log file, the same as DDMS. enter image description here The purpose of this tool is to allow developers to quickly locate, analyze, problem-solving, rather than struggling in the log file.

Feature: http://code.google.com/p/androidlogcatviewer/wiki/KeyFeature

Download: http://code.google.com/p/androidlogcatviewer/downloads/list

Discuss-group: http://groups.google.com/group/androidlogcatviewer

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I've tried logview-0.19 - works fine for my 13Mb logs.

Make sure to mark ./logview and ./lib/logview.jar as executable when running in Linux.

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Splinter Log works on MacOS and can do a few things better than DDMS, like grouping tags, resolving pids to package name, etc. https://splinter-log.com

enter image description here

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I found Online LogCat Beautifier to which can colourize given LogCat for easy reading. Really nice tool and it uses JavaScript, which means nothing is stored anywhere!

LogCat Beautifier in action

Update:

The link is no longer accessible, and luckily enough for us, Android Studio now supports pasting the LogCat into its "LogCat" tab (previously "Monitor"). Upon pasting, you'd have the options to search/click like a normal LogCat's log.

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I use coloredlogcat for viewing logcat logs on the console. You should be able to do the same.

cat logfile | coloredlogcat.py

It should work out of the box. If it doesn't, I'm sure only minor modifications are needed. Have a look at this link coloredlogcat for details.

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You can use Android Debug Monitor or DDMS without Eclipse.

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    • Just an update.. DDMS is now deprecated. Instead we should use: sdk_path/tools/monitor. On OSX, ddmscan't save some custom filters I created, whereas monitor can.
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    • Yes, that is Android Debug Monitor, but there wasn't any online details about it when I wrote my answer, and it is very similar to DDMS.

I've tweaked log4j Chainsaw V2 and the (VFS)LogFilePatternReceiver to allow Chainsaw to read events from Android log files generated via logcat -v time

Download the latest developer snapshot of Chainsaw (Mac DMG and tarball available): http://people.apache.org/~sdeboy

Save this XML off as a file (after tweaking the fileURL):

<?xml version="1.0" encoding="UTF-8"?>
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="true">
<plugin class="org.apache.log4j.chainsaw.vfs.VFSLogFilePatternReceiver" name="android-log">
    <param name="appendNonMatches" value="true"/>
    <param name="autoReconnect" value="true"/>
    <param name="fileURL" value="file:/path/to/android/log"/>
    <param name="name" value="android-log"/>
    <param name="logFormat" value="TIMESTAMP LEVEL/LOGGER(PROP(PID)):MESSAGE"/> 
    <param name="customLevelDefinitions" value="V=TRACE,D=DEBUG,I=INFO,W=WARN,E=ERROR,F=FATAL,S=OFF"/>
    <param name="promptForUserInfo" value="false"/>
    <param name="tailing" value="true"/>
    <param name="timestampFormat" value="yyyyMMdd HH:mm:ss.SSS"/>
    <param name="waitMillis" value="2000"/>
</plugin>
</log4j:configuration>

And then after starting Chainsaw, select the 'Use a Chainsaw config file' option from the 'File, load Chainsaw configuration' menu, browse to this XML file, select 'always start Chainsaw with this configuration' and press OK.

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    • This works well on os x, solving my problem that the Eclipse logcat view often stops working. Exactly what I was looking for! I see the latest stable build is dated after your post so I'm wondering if it's now good to use rather than the snapshot you suggest?

Personally I like TailExpert which I use together with logcatUDP to capture logs from multiple android targets, logcatUDP sends the log over the network to tailexpert where I capture it and view the side by side. But you can also read the logs from file if you like, it's a tail program so it will add logmessages to the view when they arrive. You can filter messages on keywords and use colors to identify certain logmessages. The other thing I like is that in tailexpert you can create columnizers on the fly and easily hide one or more columns or change the column order. The program is packed with features and I recently just started to discover the use of notifications to place bookmarks on the fly and halt the log when a certain logmessages passes by, which makes navigation so much quicker. Just check it out, you can download it here.

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