android Logcat打印格式说明

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1.logcat -c 清除已有log信息

  2.logcat -b main 显示主缓冲区的log

  logcat -b radio 显示无线缓冲区的log

  logcat -b events 显示事件缓冲区的log

  3.logcat -f [filename] 将log保存到指定的文件中,例如 logcat -b radio -f /data/radio.log

  4.logcat -v 设置logcat输出的格式

      例:加时间戳的Log,输出到名称为test.txt的文件(linux下命令:logcat -v time -f test.txt &)

  主要有7种:

  1. brief — Display priority/tag and PID of originating process (the default format).

  2. process — Display PID only.

  3. tag — Display the priority/tag only.

  4. thread — Display process:thread and priority/tag only.

  5. raw — Display the raw log message, with no other metadata fields.

  6. time — Display the date, invocation time, priority/tag, and PID of the originating process.

  7. long — Display all metadata fields and separate messages with a blank lines.

  比较常用的是显示时间:logcat -v time &

  5.logcat -g 查看缓冲区的大小

  logcat -g main

  logcat -g radio

  logcat -g events


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