ProtoLog开关在代码中我们经常看见ProtoLog打印的log如下ProtoLog.i(WM_DEBUG_ANIM,Animation start delayed for %s,mAnimatable);这种log正常情况不会显示因此我们需要打开开关其格式为adb shell wm logging enable-text [代码中对应的TAG]我们这段代码的TAG是WM_DEBUG_ANIM因此通过命令adb shell wm logging enable-text WM_DEBUG_ANIM打开log开关另一种情况ProtoLog.v(WM_SHELL_TASK_ORG,Task info changed taskId%d,taskInfo.taskId);wmshell的log比较特殊其在SystemUI进程如果我们直接运行adb shell wm logging enable-text WM_SHELL_TASK_ORG会报错打印如下Loaded749log definitions from /system/etc/protolog.conf.json.gz No IProtoLogGroup named WM_SHELL_TASK_ORG Not handled, please useadb shell dumpsys activityserviceSystemUIService WMShellifyou are lookingforProtoLoginWMShell根据提示我们打开logadb shell dumpsys activity service SystemUIService WMShell protolog enable WM_SHELL_TASK_ORGlogcat抓取log# 抓取普通的andorid logadb shell logcatlog.txt# 仅抓取events logadb shell logcat-beventslog.txt# 抓取所有类型logadb shell logcat-balllog.txt# 根据关键字抓取log-i可以忽略大小-e可以添加多条关键字如下adb shell logcat-bevents|grep-ie关键log1-ie关键log2log.txtevents.log中对应代码查找events log对应代码的规律是events log开头的字段比如wm_xxx则对应的代码可以通过 grep 抓取 writeWmxxx 找出是在哪里打印的该events log例如应用走到onresume生命周期的logwm_on_resume_called: [223605563,com.tencent.mm.ui.LauncherUI,RESUME_ACTIVITY,10]EventLogTags.writeWmOnResumeCalled(mIdent,getComponentName().getClassName(),reason);通知cancel的lognotification_canceled: [0|com.tencent.mm|40|null|10218,8,19980,19980,7720,-1,-1,NULL]EventLogTags.writeNotificationCanceled(canceledKey,reason,r.getLifespanMs(now),r.getFreshnessMs(now),r.getExposureMs(now),rank,count,listenerName);使用winscope手机要处于root状态才能使用使用手机自带的winscope在手机设置里面找到开发者选项-快捷设置开发者图块-打开 “ Winscope跟踪 ”打开后复现问题最后再关闭这个开关就表示抓取完成导出文件adb pull /data/misc/wmtrace把导出文件在源码路径的android-13.0.0_r6/prebuilts/misc/common/winscope/winscope.html打开即可使用脚本抓取winscope推荐附链接winscope-twinscope-uwinscope-vwinscope-t和winscope-u均可离线使用但是V的版本却不行需要进行以下操作1.需要用npm安装http-servernpm install -g http-server2.安装完成后运行http-server进入下面任意一个ip即可下载后连接手机直接运行脚本中的./run.sh或者python3 winscope_proxy.pySTART TRACE 可以持续dump window和SurfaceFlinger信息一般适用于闪黑场景复现之前按下复现后停止即可。DMUP STATE 相当于就是抓取一次dumpsys window和dumpsys SurfaceFlingerandroid 15之后离线抓取winscope方法# SurfaceFlinger# 开启adb shell perfetto--out/data/misc/perfetto-traces/winscope-proxy-trace.perfetto-trace--txt--config/data/misc/perfetto-configs/winscope-proxy-trace.conf--detachWINSCOPE-PROXY-TRACING-SESSION# 停止adb shell perfetto--attachWINSCOPE-PROXY-TRACING-SESSION--stop# 导出adb pull /data/misc/perfetto-traces/winscope-proxy-trace.perfetto-trace# 有些设备可能没有winscope-proxy-trace.conf这类conf文件可以尝试使用Android 15之前的方法adb shellsurootservicecall Surface Flinger1025i321adb shellsurootservicecall Surface Flinger1025i320adb pull /data/misc/wmtrace/layers_trace.pb# windowwindow的抓取方法在Android15没有变化# 开启adb shell cmd window tracing start# 停止adb shell cmd window tracing stop# 导出adb pull /data/misc/wmtrace/wm_trace.winscope手机里的 /data/misc/perfetto-configs/中不一定都是以winscope-proxy-trace.conf命名比如/data/misc/perfetto-configs# lswinscope-proxy.surfaceflinger.conf运行指令也可能报错adb shell perfetto--out/data/misc/perfetto-traces/winscope-proxy-trace.perfetto-trace--txt--config/data/misc/perfetto-configs/winscope-proxy.surfaceflinger.conf--detachWINSCOPE-PROXY-TRACING-SESSION[191.423]perfetto_cmd.cc:794 TraceConfigs write_into_file must betruewhen using--detach这里提示需要write_into_file为true设置这个时候就需要我们修改脚本在原始脚本的脚本的基础上修改即可vi/data/misc/perfetto-configs/winscope-proxy.surfaceflinger.conf data_sources:{config{name:android.surfaceflinger.layerssurfaceflinger_layers_config:{mode: MODE_ACTIVE trace_flags: TRACE_FLAG_INPUT trace_flags: TRACE_FLAG_COMPOSITION trace_flags: TRACE_FLAG_HWC trace_flags: TRACE_FLAG_BUFFERS}}}# 添加代码解决write_into_file:true常见dump命令adb shell dumpsys SurfaceFlinger./dump/SurfaceFlinger.txt adb shell dumpsys window-a./dump/window.txt adb shell dumpsys activity activities./dump/activities.txt adb shell dumpsys activitytop./dump/top_activity.txt adb shell dumpsys activity containers./dump/containers.txt adb shell dumpsys input./dump/input.txt查找dump命令的方法代码路径frameworks/base/core/java/android/content/Context.java这个代码里面有很多serviceNameStringDef(suffix{_SERVICE},value{POWER_SERVICE,//hide: POWER_STATS_SERVICE,WINDOW_SERVICE,LAYOUT_INFLATER_SERVICE,ACCOUNT_SERVICE,ACTIVITY_SERVICE,ALARM_SERVICE,NOTIFICATION_SERVICE,ACCESSIBILITY_SERVICE,CAPTIONING_SERVICE,KEYGUARD_SERVICE,LOCATION_SERVICE,HEALTHCONNECT_SERVICE,//hide: COUNTRY_DETECTOR,SEARCH_SERVICE,SENSOR_SERVICE,SENSOR_PRIVACY_SERVICE,STORAGE_SERVICE,STORAGE_STATS_SERVICE,WALLPAPER_SERVICE,VIBRATOR_MANAGER_SERVICE,VIBRATOR_SERVICE,//hide: STATUS_BAR_SERVICE,CONNECTIVITY_SERVICE,PAC_PROXY_SERVICE,VCN_MANAGEMENT_SERVICE,//hide: IP_MEMORY_STORE_SERVICE,IPSEC_SERVICE,VPN_MANAGEMENT_SERVICE,TEST_NETWORK_SERVICE,//hide: UPDATE_LOCK_SERVICE,//hide: NETWORKMANAGEMENT_SERVICE,NETWORK_STATS_SERVICE,//hide: NETWORK_POLICY_SERVICE,WIFI_SERVICE,WIFI_AWARE_SERVICE,WIFI_P2P_SERVICE,WIFI_SCANNING_SERVICE,//hide: LOWPAN_SERVICE,//hide: WIFI_RTT_SERVICE,//hide: ETHERNET_SERVICE,WIFI_RTT_RANGING_SERVICE,NSD_SERVICE,AUDIO_SERVICE,AUDIO_DEVICE_VOLUME_SERVICE,AUTH_SERVICE,FINGERPRINT_SERVICE,//hide: FACE_SERVICE,BIOMETRIC_SERVICE,MEDIA_ROUTER_SERVICE,TELEPHONY_SERVICE,TELEPHONY_SUBSCRIPTION_SERVICE,CARRIER_CONFIG_SERVICE,EUICC_SERVICE,//hide: MMS_SERVICE,TELECOM_SERVICE,CLIPBOARD_SERVICE,INPUT_METHOD_SERVICE,TEXT_SERVICES_MANAGER_SERVICE,TEXT_CLASSIFICATION_SERVICE,APPWIDGET_SERVICE,//hide: VOICE_INTERACTION_MANAGER_SERVICE,//hide: BACKUP_SERVICE,REBOOT_READINESS_SERVICE,ROLLBACK_SERVICE,DROPBOX_SERVICE,//hide: DEVICE_IDLE_CONTROLLER,//hide: POWER_WHITELIST_MANAGER,DEVICE_POLICY_SERVICE,UI_MODE_SERVICE,DOWNLOAD_SERVICE,NFC_SERVICE,BLUETOOTH_SERVICE,//hide: SIP_SERVICE,USB_SERVICE,LAUNCHER_APPS_SERVICE,//hide: SERIAL_SERVICE,//hide: HDMI_CONTROL_SERVICE,INPUT_SERVICE,DISPLAY_SERVICE,//hide COLOR_DISPLAY_SERVICE,USER_SERVICE,RESTRICTIONS_SERVICE,APP_OPS_SERVICE,ROLE_SERVICE,//hide ROLE_CONTROLLER_SERVICE,CAMERA_SERVICE,//hide: PLATFORM_COMPAT_SERVICE,//hide: PLATFORM_COMPAT_NATIVE_SERVICE,PRINT_SERVICE,CONSUMER_IR_SERVICE,//hide: TRUST_SERVICE,TV_INTERACTIVE_APP_SERVICE,TV_INPUT_SERVICE,//hide: TV_TUNER_RESOURCE_MGR_SERVICE,//hide: NETWORK_SCORE_SERVICE,USAGE_STATS_SERVICE,MEDIA_SESSION_SERVICE,MEDIA_COMMUNICATION_SERVICE,BATTERY_SERVICE,JOB_SCHEDULER_SERVICE,//hide: PERSISTENT_DATA_BLOCK_SERVICE,//hide: OEM_LOCK_SERVICE,MEDIA_PROJECTION_SERVICE,MIDI_SERVICE,RADIO_SERVICE,HARDWARE_PROPERTIES_SERVICE,//hide: SOUND_TRIGGER_SERVICE,SHORTCUT_SERVICE,//hide: CONTEXTHUB_SERVICE,SYSTEM_HEALTH_SERVICE,//hide: INCIDENT_SERVICE,//hide: INCIDENT_COMPANION_SERVICE,//hide: STATS_COMPANION_SERVICE,COMPANION_DEVICE_SERVICE,VIRTUAL_DEVICE_SERVICE,CROSS_PROFILE_APPS_SERVICE,//hide: SYSTEM_UPDATE_SERVICE,//hide: TIME_DETECTOR_SERVICE,//hide: TIME_ZONE_DETECTOR_SERVICE,PERMISSION_SERVICE,LIGHTS_SERVICE,LOCALE_SERVICE,//hide: PEOPLE_SERVICE,//hide: DEVICE_STATE_SERVICE,//hide: SPEECH_RECOGNITION_SERVICE,UWB_SERVICE,MEDIA_METRICS_SERVICE,//hide: ATTESTATION_VERIFICATION_SERVICE,//hide: SAFETY_CENTER_SERVICE,DISPLAY_HASH_SERVICE,CREDENTIAL_SERVICE,DEVICE_LOCK_SERVICE,VIRTUALIZATION_SERVICE,GRAMMATICAL_INFLECTION_SERVICE,})我们只需要根据这些常量找到对应的名称即可比如输入法/** * Use with {link #getSystemService(String)} to retrieve a * {link android.view.inputmethod.InputMethodManager} for accessing input * methods. * * see #getSystemService(String) */publicstaticfinalStringINPUT_METHOD_SERVICEinput_method;我们可以看到其实就是通过getSystemService方法中调用的字符常量我们要dump输入法服务相关的命令就是adb shell dumpsys input_method如果我们想知道这个dump的方法具体在哪会有哪些打印则只需通过对应Mananger找到对应的ManagerService即可。比如我们这里以输入法为例那么其对应的就是InputMethodManagerService在这个里面就有对应的dump方法代码路径frameworks/base/services/core/java/com/android/server/inputmethod/InputMethodManagerService.javavoiddump(NonNullPrintWriterpw,NonNullStringprefix){finalSimpleDateFormatdataFormatnewSimpleDateFormat(yyyy-MM-dd HH:mm:ss.SSS,Locale.US);for(inti0;imEntries.length;i){finalEntryentrymEntries[(imNextIndex)%mEntries.length];if(entrynull){continue;}pw.print(prefix);pw.println(SoftInputShowHideHistory #entry.mSequenceNumber:);pw.print(prefix);pw.println( timedataFormat.format(newDate(entry.mWallTime)) (timestampentry.mTimestamp));pw.print(prefix);pw.print( reasonInputMethodDebug.softInputDisplayReasonToString(entry.mReason));pw.println( inFullscreenModeentry.mInFullscreenMode);pw.print(prefix);pw.println( requestCliententry.mClientState);pw.print(prefix);pw.println( focusedWindowNameentry.mFocusedWindowName);pw.print(prefix);pw.println( requestWindowNameentry.mRequestWindowName);pw.print(prefix);pw.println( imeControlTargetNameentry.mImeControlTargetName);pw.print(prefix);pw.println( imeTargetNameFromWmentry.mImeTargetNameFromWm);pw.print(prefix);pw.print( editorInfo: );pw.print( inputTypeentry.mEditorInfo.inputType);pw.print( privateImeOptionsentry.mEditorInfo.privateImeOptions);pw.println( fieldId (viewId)entry.mEditorInfo.fieldId);pw.print(prefix);pw.println( focusedWindowSoftInputModeInputMethodDebug.softInputModeToString(entry.mFocusedWindowSoftInputMode));}}}有些命令是带参数的比如adb shell dumpsys activity top可以加上-h来查看所有的命令如adb shell dumpsys activity -h打印结果如下Activitymanager dump options:[-a][-c][-pPACKAGE][-h][WHAT]...WHATmay be one of:a[ctivities]:activity stack state r[recents]:recent activities state b[roadcasts][PACKAGE_NAME][history[-s]]:broadcast state broadcast-stats[PACKAGE_NAME]:aggregated broadcast statistics i[ntents][PACKAGE_NAME]:pending intent state p[rocesses][PACKAGE_NAME]:process state o[om]:out of memory management perm[issions]:URIpermission grant state prov[iders][COMP_SPEC...]:content provider state provider[COMP_SPEC]:provider client-side state s[ervices][COMP_SPEC...]:service state allowed-associations:currentpackageassociationrestrictions as[sociations]:tracked app associations exit-info[PACKAGE_NAME]:historical process exit information lmk:stats on low memory killer lru:rawLRUprocess list binder-proxies:stats on binder objects andIPCssettings:currently applied config settings service[COMP_SPEC]:service client-side statepackage[PACKAGE_NAME]:all state relatedtogivenpackageall:dump all activities top:dump the top activity users:user stateWHATmay also be aCOMP_SPECtodumpactivities.COMP_SPECmay be a component name(com.foo/.myApp),a partial substring in a component name,a hex object identifier.-a:include all available server state.-c:include client state.-p:limit outputtogivenpackage.-d:limit outputtogivendisplay.--checkin:output checkin format,resetting data.--C:output checkin format,not resetting data.--proto:output dump in protocol buffer format.--dump-dumpable:dump just theDUMPABLE-related state of anactivity.Usethe--list-dumpables optiontolistthe supportedDUMPABLEs--list-dumpables:show the available dumpables in an activity
android 常规log、dump、winscope常见抓取方法
发布时间：2026/6/19 5:37:09
ProtoLog开关在代码中我们经常看见ProtoLog打印的log如下ProtoLog.i(WM_DEBUG_ANIM,Animation start delayed for %s,mAnimatable);这种log正常情况不会显示因此我们需要打开开关其格式为adb shell wm logging enable-text [代码中对应的TAG]我们这段代码的TAG是WM_DEBUG_ANIM因此通过命令adb shell wm logging enable-text WM_DEBUG_ANIM打开log开关另一种情况ProtoLog.v(WM_SHELL_TASK_ORG,Task info changed taskId%d,taskInfo.taskId);wmshell的log比较特殊其在SystemUI进程如果我们直接运行adb shell wm logging enable-text WM_SHELL_TASK_ORG会报错打印如下Loaded749log definitions from /system/etc/protolog.conf.json.gz No IProtoLogGroup named WM_SHELL_TASK_ORG Not handled, please useadb shell dumpsys activityserviceSystemUIService WMShellifyou are lookingforProtoLoginWMShell根据提示我们打开logadb shell dumpsys activity service SystemUIService WMShell protolog enable WM_SHELL_TASK_ORGlogcat抓取log# 抓取普通的andorid logadb shell logcatlog.txt# 仅抓取events logadb shell logcat-beventslog.txt# 抓取所有类型logadb shell logcat-balllog.txt# 根据关键字抓取log-i可以忽略大小-e可以添加多条关键字如下adb shell logcat-bevents|grep-ie关键log1-ie关键log2log.txtevents.log中对应代码查找events log对应代码的规律是events log开头的字段比如wm_xxx则对应的代码可以通过 grep 抓取 writeWmxxx 找出是在哪里打印的该events log例如应用走到onresume生命周期的logwm_on_resume_called: [223605563,com.tencent.mm.ui.LauncherUI,RESUME_ACTIVITY,10]EventLogTags.writeWmOnResumeCalled(mIdent,getComponentName().getClassName(),reason);通知cancel的lognotification_canceled: [0|com.tencent.mm|40|null|10218,8,19980,19980,7720,-1,-1,NULL]EventLogTags.writeNotificationCanceled(canceledKey,reason,r.getLifespanMs(now),r.getFreshnessMs(now),r.getExposureMs(now),rank,count,listenerName);使用winscope手机要处于root状态才能使用使用手机自带的winscope在手机设置里面找到开发者选项-快捷设置开发者图块-打开 “ Winscope跟踪 ”打开后复现问题最后再关闭这个开关就表示抓取完成导出文件adb pull /data/misc/wmtrace把导出文件在源码路径的android-13.0.0_r6/prebuilts/misc/common/winscope/winscope.html打开即可使用脚本抓取winscope推荐附链接winscope-twinscope-uwinscope-vwinscope-t和winscope-u均可离线使用但是V的版本却不行需要进行以下操作1.需要用npm安装http-servernpm install -g http-server2.安装完成后运行http-server进入下面任意一个ip即可下载后连接手机直接运行脚本中的./run.sh或者python3 winscope_proxy.pySTART TRACE 可以持续dump window和SurfaceFlinger信息一般适用于闪黑场景复现之前按下复现后停止即可。DMUP STATE 相当于就是抓取一次dumpsys window和dumpsys SurfaceFlingerandroid 15之后离线抓取winscope方法# SurfaceFlinger# 开启adb shell perfetto--out/data/misc/perfetto-traces/winscope-proxy-trace.perfetto-trace--txt--config/data/misc/perfetto-configs/winscope-proxy-trace.conf--detachWINSCOPE-PROXY-TRACING-SESSION# 停止adb shell perfetto--attachWINSCOPE-PROXY-TRACING-SESSION--stop# 导出adb pull /data/misc/perfetto-traces/winscope-proxy-trace.perfetto-trace# 有些设备可能没有winscope-proxy-trace.conf这类conf文件可以尝试使用Android 15之前的方法adb shellsurootservicecall Surface Flinger1025i321adb shellsurootservicecall Surface Flinger1025i320adb pull /data/misc/wmtrace/layers_trace.pb# windowwindow的抓取方法在Android15没有变化# 开启adb shell cmd window tracing start# 停止adb shell cmd window tracing stop# 导出adb pull /data/misc/wmtrace/wm_trace.winscope手机里的 /data/misc/perfetto-configs/中不一定都是以winscope-proxy-trace.conf命名比如/data/misc/perfetto-configs# lswinscope-proxy.surfaceflinger.conf运行指令也可能报错adb shell perfetto--out/data/misc/perfetto-traces/winscope-proxy-trace.perfetto-trace--txt--config/data/misc/perfetto-configs/winscope-proxy.surfaceflinger.conf--detachWINSCOPE-PROXY-TRACING-SESSION[191.423]perfetto_cmd.cc:794 TraceConfigs write_into_file must betruewhen using--detach这里提示需要write_into_file为true设置这个时候就需要我们修改脚本在原始脚本的脚本的基础上修改即可vi/data/misc/perfetto-configs/winscope-proxy.surfaceflinger.conf data_sources:{config{name:android.surfaceflinger.layerssurfaceflinger_layers_config:{mode: MODE_ACTIVE trace_flags: TRACE_FLAG_INPUT trace_flags: TRACE_FLAG_COMPOSITION trace_flags: TRACE_FLAG_HWC trace_flags: TRACE_FLAG_BUFFERS}}}# 添加代码解决write_into_file:true常见dump命令adb shell dumpsys SurfaceFlinger./dump/SurfaceFlinger.txt adb shell dumpsys window-a./dump/window.txt adb shell dumpsys activity activities./dump/activities.txt adb shell dumpsys activitytop./dump/top_activity.txt adb shell dumpsys activity containers./dump/containers.txt adb shell dumpsys input./dump/input.txt查找dump命令的方法代码路径frameworks/base/core/java/android/content/Context.java这个代码里面有很多serviceNameStringDef(suffix{_SERVICE},value{POWER_SERVICE,//hide: POWER_STATS_SERVICE,WINDOW_SERVICE,LAYOUT_INFLATER_SERVICE,ACCOUNT_SERVICE,ACTIVITY_SERVICE,ALARM_SERVICE,NOTIFICATION_SERVICE,ACCESSIBILITY_SERVICE,CAPTIONING_SERVICE,KEYGUARD_SERVICE,LOCATION_SERVICE,HEALTHCONNECT_SERVICE,//hide: COUNTRY_DETECTOR,SEARCH_SERVICE,SENSOR_SERVICE,SENSOR_PRIVACY_SERVICE,STORAGE_SERVICE,STORAGE_STATS_SERVICE,WALLPAPER_SERVICE,VIBRATOR_MANAGER_SERVICE,VIBRATOR_SERVICE,//hide: STATUS_BAR_SERVICE,CONNECTIVITY_SERVICE,PAC_PROXY_SERVICE,VCN_MANAGEMENT_SERVICE,//hide: IP_MEMORY_STORE_SERVICE,IPSEC_SERVICE,VPN_MANAGEMENT_SERVICE,TEST_NETWORK_SERVICE,//hide: UPDATE_LOCK_SERVICE,//hide: NETWORKMANAGEMENT_SERVICE,NETWORK_STATS_SERVICE,//hide: NETWORK_POLICY_SERVICE,WIFI_SERVICE,WIFI_AWARE_SERVICE,WIFI_P2P_SERVICE,WIFI_SCANNING_SERVICE,//hide: LOWPAN_SERVICE,//hide: WIFI_RTT_SERVICE,//hide: ETHERNET_SERVICE,WIFI_RTT_RANGING_SERVICE,NSD_SERVICE,AUDIO_SERVICE,AUDIO_DEVICE_VOLUME_SERVICE,AUTH_SERVICE,FINGERPRINT_SERVICE,//hide: FACE_SERVICE,BIOMETRIC_SERVICE,MEDIA_ROUTER_SERVICE,TELEPHONY_SERVICE,TELEPHONY_SUBSCRIPTION_SERVICE,CARRIER_CONFIG_SERVICE,EUICC_SERVICE,//hide: MMS_SERVICE,TELECOM_SERVICE,CLIPBOARD_SERVICE,INPUT_METHOD_SERVICE,TEXT_SERVICES_MANAGER_SERVICE,TEXT_CLASSIFICATION_SERVICE,APPWIDGET_SERVICE,//hide: VOICE_INTERACTION_MANAGER_SERVICE,//hide: BACKUP_SERVICE,REBOOT_READINESS_SERVICE,ROLLBACK_SERVICE,DROPBOX_SERVICE,//hide: DEVICE_IDLE_CONTROLLER,//hide: POWER_WHITELIST_MANAGER,DEVICE_POLICY_SERVICE,UI_MODE_SERVICE,DOWNLOAD_SERVICE,NFC_SERVICE,BLUETOOTH_SERVICE,//hide: SIP_SERVICE,USB_SERVICE,LAUNCHER_APPS_SERVICE,//hide: SERIAL_SERVICE,//hide: HDMI_CONTROL_SERVICE,INPUT_SERVICE,DISPLAY_SERVICE,//hide COLOR_DISPLAY_SERVICE,USER_SERVICE,RESTRICTIONS_SERVICE,APP_OPS_SERVICE,ROLE_SERVICE,//hide ROLE_CONTROLLER_SERVICE,CAMERA_SERVICE,//hide: PLATFORM_COMPAT_SERVICE,//hide: PLATFORM_COMPAT_NATIVE_SERVICE,PRINT_SERVICE,CONSUMER_IR_SERVICE,//hide: TRUST_SERVICE,TV_INTERACTIVE_APP_SERVICE,TV_INPUT_SERVICE,//hide: TV_TUNER_RESOURCE_MGR_SERVICE,//hide: NETWORK_SCORE_SERVICE,USAGE_STATS_SERVICE,MEDIA_SESSION_SERVICE,MEDIA_COMMUNICATION_SERVICE,BATTERY_SERVICE,JOB_SCHEDULER_SERVICE,//hide: PERSISTENT_DATA_BLOCK_SERVICE,//hide: OEM_LOCK_SERVICE,MEDIA_PROJECTION_SERVICE,MIDI_SERVICE,RADIO_SERVICE,HARDWARE_PROPERTIES_SERVICE,//hide: SOUND_TRIGGER_SERVICE,SHORTCUT_SERVICE,//hide: CONTEXTHUB_SERVICE,SYSTEM_HEALTH_SERVICE,//hide: INCIDENT_SERVICE,//hide: INCIDENT_COMPANION_SERVICE,//hide: STATS_COMPANION_SERVICE,COMPANION_DEVICE_SERVICE,VIRTUAL_DEVICE_SERVICE,CROSS_PROFILE_APPS_SERVICE,//hide: SYSTEM_UPDATE_SERVICE,//hide: TIME_DETECTOR_SERVICE,//hide: TIME_ZONE_DETECTOR_SERVICE,PERMISSION_SERVICE,LIGHTS_SERVICE,LOCALE_SERVICE,//hide: PEOPLE_SERVICE,//hide: DEVICE_STATE_SERVICE,//hide: SPEECH_RECOGNITION_SERVICE,UWB_SERVICE,MEDIA_METRICS_SERVICE,//hide: ATTESTATION_VERIFICATION_SERVICE,//hide: SAFETY_CENTER_SERVICE,DISPLAY_HASH_SERVICE,CREDENTIAL_SERVICE,DEVICE_LOCK_SERVICE,VIRTUALIZATION_SERVICE,GRAMMATICAL_INFLECTION_SERVICE,})我们只需要根据这些常量找到对应的名称即可比如输入法/** * Use with {link #getSystemService(String)} to retrieve a * {link android.view.inputmethod.InputMethodManager} for accessing input * methods. * * see #getSystemService(String) */publicstaticfinalStringINPUT_METHOD_SERVICEinput_method;我们可以看到其实就是通过getSystemService方法中调用的字符常量我们要dump输入法服务相关的命令就是adb shell dumpsys input_method如果我们想知道这个dump的方法具体在哪会有哪些打印则只需通过对应Mananger找到对应的ManagerService即可。比如我们这里以输入法为例那么其对应的就是InputMethodManagerService在这个里面就有对应的dump方法代码路径frameworks/base/services/core/java/com/android/server/inputmethod/InputMethodManagerService.javavoiddump(NonNullPrintWriterpw,NonNullStringprefix){finalSimpleDateFormatdataFormatnewSimpleDateFormat(yyyy-MM-dd HH:mm:ss.SSS,Locale.US);for(inti0;imEntries.length;i){finalEntryentrymEntries[(imNextIndex)%mEntries.length];if(entrynull){continue;}pw.print(prefix);pw.println(SoftInputShowHideHistory #entry.mSequenceNumber:);pw.print(prefix);pw.println( timedataFormat.format(newDate(entry.mWallTime)) (timestampentry.mTimestamp));pw.print(prefix);pw.print( reasonInputMethodDebug.softInputDisplayReasonToString(entry.mReason));pw.println( inFullscreenModeentry.mInFullscreenMode);pw.print(prefix);pw.println( requestCliententry.mClientState);pw.print(prefix);pw.println( focusedWindowNameentry.mFocusedWindowName);pw.print(prefix);pw.println( requestWindowNameentry.mRequestWindowName);pw.print(prefix);pw.println( imeControlTargetNameentry.mImeControlTargetName);pw.print(prefix);pw.println( imeTargetNameFromWmentry.mImeTargetNameFromWm);pw.print(prefix);pw.print( editorInfo: );pw.print( inputTypeentry.mEditorInfo.inputType);pw.print( privateImeOptionsentry.mEditorInfo.privateImeOptions);pw.println( fieldId (viewId)entry.mEditorInfo.fieldId);pw.print(prefix);pw.println( focusedWindowSoftInputModeInputMethodDebug.softInputModeToString(entry.mFocusedWindowSoftInputMode));}}}有些命令是带参数的比如adb shell dumpsys activity top可以加上-h来查看所有的命令如adb shell dumpsys activity -h打印结果如下Activitymanager dump options:[-a][-c][-pPACKAGE][-h][WHAT]...WHATmay be one of:a[ctivities]:activity stack state r[recents]:recent activities state b[roadcasts][PACKAGE_NAME][history[-s]]:broadcast state broadcast-stats[PACKAGE_NAME]:aggregated broadcast statistics i[ntents][PACKAGE_NAME]:pending intent state p[rocesses][PACKAGE_NAME]:process state o[om]:out of memory management perm[issions]:URIpermission grant state prov[iders][COMP_SPEC...]:content provider state provider[COMP_SPEC]:provider client-side state s[ervices][COMP_SPEC...]:service state allowed-associations:currentpackageassociationrestrictions as[sociations]:tracked app associations exit-info[PACKAGE_NAME]:historical process exit information lmk:stats on low memory killer lru:rawLRUprocess list binder-proxies:stats on binder objects andIPCssettings:currently applied config settings service[COMP_SPEC]:service client-side statepackage[PACKAGE_NAME]:all state relatedtogivenpackageall:dump all activities top:dump the top activity users:user stateWHATmay also be aCOMP_SPECtodumpactivities.COMP_SPECmay be a component name(com.foo/.myApp),a partial substring in a component name,a hex object identifier.-a:include all available server state.-c:include client state.-p:limit outputtogivenpackage.-d:limit outputtogivendisplay.--checkin:output checkin format,resetting data.--C:output checkin format,not resetting data.--proto:output dump in protocol buffer format.--dump-dumpable:dump just theDUMPABLE-related state of anactivity.Usethe--list-dumpables optiontolistthe supportedDUMPABLEs--list-dumpables:show the available dumpables in an activity
：面向落地的机器学习工程化标准流程)
