LogNote

Log viewer, Android logcat viewer for Windows, Linux, Mac

Filtered log viewer

Online / offline logcat view

Regular expression filter

Aging Test : Save split file by lines

Kotlin + swing

Config path

Save to the path set in the environment variable "LOGNOTE_HOME"
Default current path

EX) After creating the directory
Windows : set LOGNOTE_HOME=D:\lognote
Linux : export LOGNOTE_HOME=~/lognote
Mac : export LOGNOTE_HOME=~/lognote

Run

Windows : start javaw -Dfile.encoding=utf8 -Xmx1024m -jar LogNote.jar
Linux : java -Dfile.encoding=utf8 -Xmx2048m -jar LogNote.jar
Mac : java -Dfile.encoding=utf8 -Xmx2048m -jar LogNote.jar

Mode

1. Read Cmd: Read the result after executing the command (ex: adb logcat)
   • You must set the Scrollback value.
     • If the value is not set, logs pile up and occur hang.
     • Recommended - Scrollback: 100000 (approximately 10 Mbytes), enable “Split File” option
2. Read File: Read a file (File > Open, read multiple files continuously)
   • Multiple files : Drag & drop or File > Open files
   • Append files : Ctrl + drag & drop or File > append files
   • Save recent file view config on exit(filters, bookmarks)
   • Open recent files: set to saved view config
3. Follow File: Continue reading logs added to the file (ex: adb logcat > a.log, File > Follow - a.log)
   • Used when you want to read the log of processing results of commands other than adb

Log view mode

1. "Not adb mode(file open...)" or "View > Show process name > None"
2. "Not adb mode(file open...)" or "View > Show process name > None" + "View > Show divided by column"
3. "Adb mode" and "View > Show process name > Show with color bg"
4. "Adb mode" and "View > Show process name > Show with color bg" + "View > Show divided by column"

Shortcut keys

1. Ctrl + B: Toggle Bookmarks, multiple selected lines can be set at the same time
2. Enter: View log dialog (Show long log(with the ends cut off), select string and add to log combo(filter))
3. Ctrl+F: Show find toolbar
   • F3: Move to previous item
   • F4: Move to next item
4. Ctrl + Page Down: Go to end of the log
5. Ctrl + Page Up: Go to the beginning of the log
6. Ctrl + R : stop cmd - connect device - clear log view - start cmd
7. Ctrl + G : Go to line
8. Ctrl + ` : Focus to log combo
9. Ctrl + Del : Clear log view
10. Ctrl + T : Show trigger list panel(aging test util)

How to use(tips)

1. Show only specific package logs

Filter combobox color tag

If enter '#' in the filter combo box, the color tag list is displayed

Filter combobox style

Setting > Filter Style : set style, color

1. Single line
2. Single line - highlight
   
3. Multi line
4. Multi line - highlight
   

Highlight color : Include text, Exclude text, Separator

Filter combobox size

Filter manager

Click : replace
Ctrl + Click : append

Search

Ctrl + F : show search bar
ESC : hide search bar
F3 : move to previous
F4 : move to next
Click Filter or Full View : Set search target view

Show process info

When mode is logcat receiving, process info is shown as a tooltip
Right click > Popup menu > Process info => Show all process list

Log format setting

In addition to logcat logs, you can also use other logs by setting the format

Log trigger - Aging test util(Ctrl-T)

When a specific log occurs, a command is executed or a dialog is displayed

Log cmd setting

Set the adb path(to view online log) and Add log cmds

Color settings

Light(default)

Dark

Setting > Appearance
Fixed-width fonts are recommended : The columns for logcat entries(time, pid, tag...) are aligned

View Control

View > Rotation - Rotate 90 degrees clockwise
View > Full Logs - Toggle show/hide full log view
Full log view > Windowed Mode - Move the view to new window

Button Icons

Save split file by lines for aging test

Each time 100000 lines are saved, it is changed to a new file