Crashlytics automatically de-obfuscates stack traces in your crash reports. You’ll never manually retrace a stack trace or hunt around for a lost mapping file again!
For Crashlytics to provide the most informative stack traces, add the following line to your ProGuard configuration file:
When building for release with Eclipse, export your application to an APK using the “Export Crashlytics-enabled Android Application” exporter from the Eclipse export menu. Just go to File -> Export -> Android :)
This exports your application using the standard ADT Android Application exporter and then uploads the ProGuard-generated mappings file to our servers.
If you make release builds using the command line, please see the appropriate article for your build system: