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Log.md

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Logger

A logger is an object to log/trace a message.

A message is accociated to a level to allow filtering of important or not information.

Level

  • 0 for verbose
  • 1 for debug
  • 2 for info (default)
  • 3 warning
  • 4 error
  • 5 severe

How to change it?

log.level = a number in Settings.plist for first start

or in runtime with debug interface activated by going to app external settings and returning to the app

In code

We use framework https://github.com/DaveWoodCom/XCGLogger

logger.info("my info message")
logger.warning("a warning message")
// etc...

Stored log

In Settings.plist there is property log.writeToFile to defined log name. default debug.log

auto rotating

if a log is bigger than maxSize (default 1_048_576 ) , the file is splitted and suffixed by date

maxSize could be customized with log.maxFileSize

If there is too much log, we remove it. log.maxLogFiles (default: 10 )

Desactivate autorotage log.autorotate = false

log to apple log

log.appleSystem = YES in Settings.plist

Formatting

By default when using Xcode there is emoticon

Configure

log.formatter = emoticon in Settings.plist

emoticon

 prefixes[.verbose] = "🗯"
 prefixes[.debug] = "🔹"
 prefixes[.info] = "ℹ️"
 prefixes[.warning] = "⚠️"
 prefixes[.error] = "‼️"
 prefixes[.severe] = "💣"

ansi

no prefix

circle

                prefixes[.verbose] = "🔘"
                prefixes[.debug] = "🔵"
                prefixes[.info] = "⚪"
                prefixes[.warning] = "☢️"
                prefixes[.error] = "🔴"
                prefixes[.severe] = "⚫"

message customizing in settings.plist

log.showThreadName
log.showLevel log.showFileNames log.showLineNumbers log.showFunctionName log.showDate