最終更新:2017-08-07 (月) 15:30:11 (2446d)
logcat
Top / logcat
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.
http://developer.android.com/tools/help/logcat.html
表示
文字数が足りない場合
http://stackoverflow.com/questions/8888654/android-set-max-length-of-logcat-messages
public static void largeLog(String tag, String content) { if (content.length() > 4000) { Log.d(tag, content.substring(0, 4000)); largeLog(tag, content.substring(4000)); } else { Log.d(tag, content); } }
項目
date time PID-TID/package priority/tag: message
date PID TID Level TAG Message 04-04 17:37:34.337 4036 4099 D BluetoothAdapter : STATE_ON
usage
Usage: logcat [options] [filterspecs] options include: -s Set default filter to silent. Like specifying filterspec '*:s' -f <filename> Log to file. Default to stdout -r [<kbytes>] Rotate log every kbytes. (16 if unspecified). Requires -f -n <count> Sets max number of rotated logs to <count>, default 4 -v <format> Sets the log print format, where <format> is one of: brief process tag thread raw time threadtime long -c clear (flush) the entire log and exit -d dump the log and then exit (don't block) -t <count> print only the most recent <count> lines (implies -d) -g get the size of the log's ring buffer and exit -b <buffer> Request alternate ring buffer, 'main', 'system', 'radio' or 'events'. Multiple -b parameters are allowed and the results are interleaved. The default is -b main -b system. -B output the log in binary filterspecs are a series of <tag>[:priority] where <tag> is a log component tag (or * for all) and priority is: V Verbose D Debug I Info W Warn E Error F Fatal S Silent (supress all output) '*' means '*:d' and <tag> by itself means <tag>:v If not specified on the commandline, filterspec is set from ANDROID_LOG_TAGS. If no filterspec is found, filter defaults to '*:I' If not specified with -v, format is set from ANDROID_PRINTF_LOG or defaults to "brief"
Frameworkのログを表示
adb shell setprop log.tag.<YOUR_LOG_TAG> <LEVEL> adb shell setprop log.tag.AccountManagerService VERBOSE
