Sample of "adb shell dumpsys notification"

Current Notification Manager state:
  Listeners (1) enabled for current user:
    ComponentInfo{cz.zalsky.android.watchremotecontrol/cz.zalsky.android.watchremotecontrol.RemoteControlService}
  Live listeners (1):
    ComponentInfo{cz.zalsky.android.watchremotecontrol/cz.zalsky.android.watchremotecontrol.RemoteControlService} (user 0): android.service.notification.INotificationListener$Stub$Proxy@42451650
  Notification List:
    NotificationRecord(0x420e8408: pkg=com.sonymobile.smartconnect.smartwatch2 user=UserHandle{0} id=1 tag=null score=0: Notification(pri=0 contentView=com.sonymobile.smartconnect.smartwatch2/0x1090064 vibrate=null sound=null defaults=0x0 flags=0x62 kind=[null]))
      uid=10252 userId=0
      icon=0x7f020093 / com.sonymobile.smartconnect.smartwatch2:drawable/smartwatch_stat_icn
      pri=0 score=0
      contentIntent=PendingIntent{4252e1f8: PendingIntentRecord{4293a658 com.sonymobile.smartconnect.smartwatch2 startActivity}}
      deleteIntent=null
      tickerText=SmartWatch 2 connected
      contentView=android.widget.RemoteViews@4244f8d8
      defaults=0x00000000 flags=0x00000062
      sound=null
      vibrate=null
      led=0x00000000 onMs=0 offMs=0
      extras={
        android.title=SmartWatch 2
        android.subText=null
        android.showChronometer=false
        android.icon=2130837651
        android.text=Connected
        android.progress=0
        android.progressMax=0
        android.showWhen=true
        android.infoText=null
        android.progressIndeterminate=false
        android.scoreModified=false
      }
    NotificationRecord(0x43180468: pkg=android user=UserHandle{-1} id=17040522 tag=null score=-10: Notification(pri=-1 contentView=android/0x1090064 vibrate=null sound=null defaults=0x0 flags=0x2 kind=[null]))
      uid=1000 userId=-1
      icon=0x1080846 / android:drawable/stat_sys_adb
      pri=-1 score=-10
      contentIntent=PendingIntent{41f21298: PendingIntentRecord{423bb070 android startActivity}}
      deleteIntent=null
      tickerText=USB debugging connected
      contentView=android.widget.RemoteViews@42594440
      defaults=0x00000000 flags=0x00000002
      sound=null
      vibrate=null
      led=0x00000000 onMs=0 offMs=0
      extras={
        android.title=USB debugging connected
        android.subText=null
        android.showChronometer=false
        android.icon=17303622
        android.text=Touch to disable USB debugging.
        android.progress=0
        android.progressMax=0
        android.showWhen=true
        android.infoText=null
        android.progressIndeterminate=false
        android.scoreModified=false
      }
    NotificationRecord(0x41e2e6f8: pkg=com.sonyericsson.usbux user=UserHandle{0} id=1117242467 tag=null score=20: Notification(pri=2 contentView=com.sonyericsson.usbux/0x1090064 vibrate=null sound=null defaults=0x0 flags=0x62 kind=[null] 1 action))
      uid=1000 userId=0
      icon=0x1080867 / android:drawable/stat_sys_data_usb
      pri=2 score=20
      contentIntent=null
      deleteIntent=null
      tickerText=Connected to PC
      contentView=android.widget.RemoteViews@42713db8
      defaults=0x00000000 flags=0x00000062
      sound=null
      vibrate=null
      led=0x00000000 onMs=0 offMs=0
      actions={
        [0] "Pair with PC" -> PendingIntent{427ae8e0: PendingIntentRecord{42736828 com.sonyericsson.usbux startActivity}}
      }
      extras={
        android.title=Connected to PC
        android.subText=null
        android.showChronometer=false
        android.icon=17303655
        android.text=Connected in Media transfer mode (MTP)
        android.progress=0
        android.progressMax=0
        android.showWhen=true
        android.infoText=null
        android.progressIndeterminate=false
        android.scoreModified=false
      }

  mSoundNotification=null
  mVibrateNotification=null
  mDisabledNotifications=0x1e00000
  mSystemReady=true
  mArchive=Archive (110 notifications)
    StatusBarNotification(pkg=com.sonyericsson.usbux user=UserHandle{0} id=1117242467 tag=null score=20: Notification(pri=2 contentView=null vibrate=null sound=null defaults=0x0 flags=0x62 kind=[null] 1 action))
    StatusBarNotification(pkg=android user=UserHandle{-1} id=17040522 tag=null score=-10: Notification(pri=-1 contentView=null vibrate=null sound=null defaults=0x0 flags=0x2 kind=[null]))
    StatusBarNotification(pkg=ru.yandex.mail user=UserHandle{0} id=16777219 tag=null score=0: Notification(pri=0 contentView=null vibrate=default sound=content://settings/system/notification_sound defaults=0x2 flags=0x11 kind=[null] 3 actions))
    StatusBarNotification(pkg=com.android.incallui user=UserHandle{0} id=1 tag=null score=10: Notification(pri=1 contentView=null vibrate=null sound=null defaults=0x0 flags=0x2 kind=[null]))
    StatusBarNotification(pkg=com.sonyericsson.conversations user=UserHandle{0} id=0 tag=null score=0: Notification(pri=0 contentView=null vibrate=default sound=content://media/internal/audio/media/223 defaults=0x2 flags=0x1 kind=[null]))