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adb logcat — Dump a log of system messages. More information: <https://developer.android.com/tools/logcat>.

Submitted by: @import:tldr-pages··
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commandclilogdumpadb logcatmessagesmoresystem

Problem

How to use the adb logcat command: Dump a log of system messages. More information: <https://developer.android.com/tools/logcat>.

Solution

adb logcat — Dump a log of system messages. More information: <https://developer.android.com/tools/logcat>.

Display system logs:
adb logcat


Display lines that match a reg[e]x:
adb logcat -e {{regex}}


Display logs for a tag in a specific mode ([V]erbose, [D]ebug, [I]nfo, [W]arning, [E]rror, [F]atal, [S]ilent), filtering other tags:
adb logcat {{tag}}:{{mode}} *:S


Display logs for React Native applications in [V]erbose mode [S]ilencing other tags:
adb logcat ReactNative:V ReactNativeJS:V *:S


Display logs for all tags with priority level [W]arning and higher:
adb logcat *:W


Display logs for a specific PID:
adb logcat --pid {{pid}}


Display logs for the process of a specific package:
adb logcat --pid $(adb shell pidof -s {{package}})


Color the log (usually use with filters):
adb logcat -v color

Code Snippets

Display system logs

adb logcat

Display lines that match a `reg[e]x`

adb logcat -e {{regex}}

Display logs for a tag in a specific mode ([V]erbose, [D]ebug, [I]nfo, [W]arning, [E]rror, [F]atal, [S]ilent), filtering other tags

adb logcat {{tag}}:{{mode}} *:S

Display logs for React Native applications in [V]erbose mode [S]ilencing other tags

adb logcat ReactNative:V ReactNativeJS:V *:S

Display logs for all tags with priority level [W]arning and higher

adb logcat *:W

Context

tldr-pages: common/adb logcat

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