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1.前言
本篇目的：Android12之logcat添加log颜色显示
2.logcat正常显示
adb logcat
11-20 23:58:20.761 21530 21530 I PackageWatchdog: Cancelling state sync, nothing to sync
11-20 23:58:20.761 21530 21563 I PackageWatchdog: Saving observer state to file
11-20 23:58:20.766 21530 21530 V RescueParty: Disabled because of active USB connection
11-20 23:58:20.766 21530 21530 I SystemServerTiming: StartLightsService
11-20 23:58:20.766 21530 21530 I SystemServiceManager: Starting com.android.server.lights.LightsService
3.logcat增加log颜色显示
adb logcat -v tag,color
D/SystemServerTiming: StartLightsService took to complete: 2ms
I/SystemServerTiming: StartSidekickService
D/SystemServerTiming: StartSidekickService took to complete: 0ms
I/SystemServerTiming: StartDisplayManager
4.logcat日志显示时间和颜色
adb logcat -v tag,color,time
11-20 23:32:15.791 I/SystemConfig( 9280): Reading permissions from /vendor/etc/permissions/com.google.hardware.camera.easel_2018.xml
11-20 23:32:15.791 I/SystemConfig( 9280): Reading permissions from /vendor/etc/permissions/android.hardware.audio.pro.xml
11-20 23:32:15.792 I/SystemConfig( 9280): Reading permissions from /vendor/etc/permissions/android.hardware.sensor.accelerometer.xml
11-20 23:32:15.792 I/SystemConfig( 9280): Reading permissions from /vendor/etc/permissions/android.hardware.nfc.hcef.xml
11-20 23:32:15.792 D/CompatConfig( 9280): Adding: com.android.server.compat.config.Change@43fb86e
11-20 23:32:15.792 I/SystemConfig( 9280): Reading permissions from /vendor/etc/permissions/android.hardware.telephony.ims.xml
11-20 23:32:15.792 I/SystemConfig( 9280): Reading permissions from /vendor/etc/permissions/android.hardware.vulkan.version.xml
11-20 23:32:15.793 I/SystemConfig( 9280): Reading permissions from /vendor/etc/permissions/android.hardware.wifi.passpoint.xml
5.logcat日志过滤显示Error
adb logcat *:E
11-19 23:24:13.394 E/NativeTombstoneManager( 2754): Tombstone’s UID (0) not an app, ignoring
11-19 23:25:22.158 F/libc (12645): Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 in tid 12645 (opengl_render_n), pid 12645 (opengl_render_n)
11-19 23:25:22.278 F/DEBUG (12648): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
11-19 23:25:22.278 F/DEBUG (12648): Build fingerprint: ‘Android/aosp_blueline/blueline:12/SP1A.210812.016.C1/eng.sybero.20220602.164140:userdebug/test-keys’
11-19 23:25:22.278 F/DEBUG (12648): Revision: ‘MP1.0’
11-19 23:25:22.278 F/DEBUG (12648): ABI: ‘arm64’
11-19 23:25:22.278 F/DEBUG (12648): Timestamp: 2023-11-19 23:25:22.213013780+0800
6.logcat日志过滤显示Warning
11-27 16:13:39.756 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:40.767 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:41.778 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:42.789 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:43.801 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:44.812 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:45.823 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:46.836 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:47.843 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:48.850 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:49.857 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:50.864 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:51.871 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:52.877 W/IorapForwardingService(26002): No service published for: iorapd
11-27 16:13:53.885 W/IorapForwardingService(26002): No service published for: iorapd
7.可以任意过滤
where is a log component tag (or * for all) and priority is:
V Verbose (default for )
D Debug (default for ‘*’)
I Info
W Warn
E Error
F Fatal
S Silent (suppress all output)