android dumpsys实时查看各service状态

我们先来看下有哪些service可以看dump

先进入adb shell ， dumpsys | grep "DUMP OF SERVICE"就可以看哪些service可以dump

dumpsys | grep "DUMP OF SERVICE"DUMP OF SERVICE DockObserver:DUMP OF SERVICE SurfaceFlinger:DUMP OF SERVICE accessibility:DUMP OF SERVICE account:DUMP OF SERVICE activity:DUMP OF SERVICE alarm:Can't find service: android.service.gatekeeper.IGateKeeperServiceDUMP OF SERVICE android.security.keystore:DUMP OF SERVICE appops:DUMP OF SERVICE appwidget:DUMP OF SERVICE assetatlas:DUMP OF SERVICE audio:DUMP OF SERVICE backup:DUMP OF SERVICE battery:// 电池DUMP OF SERVICE batteryproperties:DUMP OF SERVICE batterystats:DUMP OF SERVICE bluetooth_manager:DUMP OF SERVICE carrier_config:DUMP OF SERVICE clipboard:DUMP OF SERVICE commontime_management:DUMP OF SERVICE connectivity:DUMP OF SERVICE consumer_ir:DUMP OF SERVICE content:DUMP OF SERVICE country_detector:DUMP OF SERVICE cpuinfo:DUMP OF SERVICE dbinfo:DUMP OF SERVICE device_policy:DUMP OF SERVICE deviceidle:DUMP OF SERVICE devicestoragemonitor:DUMP OF SERVICE diskstats:DUMP OF SERVICE display:DUMP OF SERVICE dreams:DUMP OF SERVICE drm.drmManager:DUMP OF SERVICE dropbox:DUMP OF SERVICE ethernet:DUMP OF SERVICE fingerprint:DUMP OF SERVICE gfxinfo:DUMP OF SERVICE graphicsstats:DUMP OF SERVICE imms:DUMP OF SERVICE ims:DUMP OF SERVICE input:DUMP OF SERVICE input_method:DUMP OF SERVICE iphonesubinfo:DUMP OF SERVICE isms:DUMP OF SERVICE isub:DUMP OF SERVICE jobscheduler:DUMP OF SERVICE launcherapps:DUMP OF SERVICE lcframeworkwrapper:DUMP OF SERVICE location:DUMP OF SERVICE lock_settings:DUMP OF SERVICE media.audio_flinger:DUMP OF SERVICE media.audio_policy:DUMP OF SERVICE media.camera:DUMP OF SERVICE media.camera.proxy:DUMP OF SERVICE media.player:DUMP OF SERVICE media.radio:DUMP OF SERVICE media.resource_manager:DUMP OF SERVICE media.sound_trigger_hw:DUMP OF SERVICE media_projection:DUMP OF SERVICE media_router:DUMP OF SERVICE media_session:DUMP OF SERVICE meminfo:DUMP OF SERVICE mount://挂载DUMP OF SERVICE netpolicy:DUMP OF SERVICE netstats:DUMP OF SERVICE network_management:DUMP OF SERVICE network_score:DUMP OF SERVICE notification:DUMP OF SERVICE package:DUMP OF SERVICE permission:DUMP OF SERVICE phone:DUMP OF SERVICE power://电源DUMP OF SERVICE print:DUMP OF SERVICE processinfo:DUMP OF SERVICE procstats:DUMP OF SERVICE restrictions:DUMP OF SERVICE rttmanager:DUMP OF SERVICE samplingprofiler:DUMP OF SERVICE scheduling_policy:DUMP OF SERVICE search:DUMP OF SERVICE sensorservice:DUMP OF SERVICE serial:DUMP OF SERVICE servicediscovery:DUMP OF SERVICE simphonebook:DUMP OF SERVICE statusbar:DUMP OF SERVICE telecom:DUMP OF SERVICE telephony.registry:DUMP OF SERVICE textservices:DUMP OF SERVICE trust:DUMP OF SERVICE uimode:DUMP OF SERVICE updatelock:DUMP OF SERVICE usagestats:DUMP OF SERVICE usb:DUMP OF SERVICE user:DUMP OF SERVICE vibrator:DUMP OF SERVICE voiceinteraction:DUMP OF SERVICE wallpaper:DUMP OF SERVICE webviewupdate:DUMP OF SERVICE wifi:DUMP OF SERVICE wifip2p:DUMP OF SERVICE wifiscanner:DUMP OF SERVICE window:

比如查看battery电池的实时信息，可以打dumpsys battery

shell@lte26007:/ $ dumpsys batterydumpsys batteryCurrent Battery Service state:  AC powered: false  USB powered: true  Wireless powered: false  Max charging current: 0  status: 2  health: 2  present: true  level: 97  scale: 100  voltage: 4203  temperature: 280  technology: Li-poly