Update cheatsheets

adb-logcat

@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# 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 regular [e]xpression:
+
+`adb logcat -e {{regular_expression}}`
+
+- 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`