Ios App Log File

The iphone and ipad generate logs of some system activity including app crashes and other potentially interesting or helpful data.

Ios app log file. Click ctrl c to stop logging. Type in the following command to start capturing the device log to a file. This is a low level c api which is present on osx as well as ios and as such it has a man page.

What is a log file. The answer to the riddle is asl the apple system log facility. Although this container is accessible in a simulator it is not on non jailbroken devices.

When using cocoalumberjack with file logging on an ios app extension like a today s extension the files are saved in the extension s container. Give a suitable name for the file. Xcuitest mobile app management.

Low level insights on ios input events. Find the logs on your ios device. It turns out you can query the log for messages related to specific apps or just log the entire thing.

If you re a mac user you can rename the saved text file s extension from txt to log and open it in the macos console app. Browsing through log data is generally only useful for developers and advanced users either for troubleshooting or diagnostic purposes but it may have broader applications for some other environments too. You can then press command f and use keywords like backupagent or scheduler to thin out your log and display only what you need.

Scroll down and select any items that start with pocket and show the date you encountered the crash. Plain file reading is out of the question. Few additional commands are available.