谷歌的语音助手已经有一段时间没有工作了，因为我手机的麦克风似乎被另一个应用程序使用了。
使用 ADB，我如何知道哪些应用程序正在使用麦克风？
谢谢！
更新：
adb shell dumpsys audio的输出如下
MediaFocusControl dump time: 09:01:00
Audio Focus stack entries (last is top of stack):
mFocusStack:
mFocusStackForExternal:
No external focus policy
Notify on duck: true
In ring or call: false
Stream volumes (device: index)
- STREAM_VOICE_CALL:
Muted: false
Min: 1
Max: 10
Current: 1 (earpiece): 10, 2 (speaker): 10, 4 (headset): 8, 20 (bt_sco_hs): 8, 80 (bt_a2dp): 8, 40000000 (default): 8
Devices: earpiece
- STREAM_SYSTEM:
Muted: false
Min: 0
Max: 15
Current: 1 (earpiece): 12, 2 (speaker): 15, 4 (headset): 15, 20 (bt_sco_hs): 15, 80 (bt_a2dp): 15, 40000000 (default): 15
Devices: speaker
- STREAM_RING:
Muted: false
Min: 0
Max: 15
Current: 1 (earpiece): 12, 2 (speaker): 15, 4 (headset): 15, 20 (bt_sco_hs): 15, 80 (bt_a2dp): 15, 40000000 (default): 15
Devices: speaker
- STREAM_MUSIC:
Muted: false
Min: 0
Max: 15
Current: 2 (speaker): 8, 4 (headset): 8, 8 (headphone): 8, 20 (bt_sco_hs): 11, 80 (bt_a2dp): 13, 4000 (usb_device): 8, 20000000 (usb_device): 8, 40000000 (default): 11
Devices: speaker
- STREAM_ALARM:
Muted: false
Min: 0
Max: 15
Current: 2 (speaker): 15, 40000000 (default): 12
Devices: speaker
- STREAM_NOTIFICATION:
Muted: false
Min: 0
Max: 15
Current: 1 (earpiece): 12, 2 (speaker): 15, 4 (headset): 15, 20 (bt_sco_hs): 15, 80 (bt_a2dp): 15, 40000000 (default): 15
Devices: speaker
- STREAM_BLUETOOTH_SCO:
Muted: false
Min: 0
Max: 15
Current: 1 (earpiece): 10, 20 (bt_sco_hs): 10, 80 (bt_a2dp): 13, 40000000 (default): 7
Devices: earpiece
- STREAM_SYSTEM_ENFORCED:
Muted: false
Min: 0
Max: 15
Current: 1 (earpiece): 12, 2 (speaker): 15, 4 (headset): 15, 20 (bt_sco_hs): 15, 80 (bt_a2dp): 15, 40000000 (default): 15
Devices: speaker
- STREAM_DTMF:
Muted: false
Min: 0
Max: 15
Current: 1 (earpiece): 12, 2 (speaker): 15, 4 (headset): 15, 20 (bt_sco_hs): 15, 80 (bt_a2dp): 15, 40000000 (default): 15
Devices: speaker
- STREAM_TTS:
Muted: false
Min: 0
Max: 15
Current: 2 (speaker): 8, 4 (headset): 8, 8 (headphone): 8, 20 (bt_sco_hs): 11, 80 (bt_a2dp): 13, 4000 (usb_device): 8, 20000000 (usb_device): 8, 40000000 (default): 11
Devices: speaker
- STREAM_ACCESSIBILITY:
Muted: false
Min: 0
Max: 15
Current: 2 (speaker): 8, 4 (headset): 8, 8 (headphone): 8, 20 (bt_sco_hs): 11, 80 (bt_a2dp): 13, 4000 (usb_device): 8, 20000000 (usb_device): 8, 40000000 (default): 11
Devices: speaker
- mute affected streams = 0x2e
Ringer mode:
- mode (internal) = NORMAL
- mode (external) = NORMAL
- ringer mode affected streams = 0x1a6 (STREAM_SYSTEM,STREAM_RING,STREAM_NOTIFICATION,STREAM_SYSTEM_ENFORCED,STREAM_DTMF)
- ringer mode muted streams = 0x0
- delegate = ZenModeHelper
Audio routes:
mMainType=0x0
mBluetoothName=null
Other state:
mVolumeController=VolumeController(android.os.BinderProxy@962b52,mVisible=false)
mSafeMediaVolumeState=SAFE_MEDIA_VOLUME_ACTIVE
mSafeMediaVolumeIndex=80
sIndependentA11yVolume=false
mPendingVolumeCommand=null
mMusicActiveMs=0
UNSAFE_VOLUME_MUSIC_ACTIVE_MS_MAX=72000000
mMcc=222
mCameraSoundForced=false
mHasVibrator=true
mVolumePolicy=VolumePolicy[volumeDownToEnterSilent=false,volumeUpToExitSilent=true,doNotDisturbWhenSilent=true,vibrateToSilentDebounce=400]
mAvrcpAbsVolSupported=false
Audio policies:
PlaybackActivityMonitor dump time: 09:01:00
ID:23 -- type:android.media.SoundPool -- u/pid:1000/1431 -- state:idle -- attr:AudioAttributes: usage=6 content=4 flags=0x0 tags= bundle=null
ID:39 -- type:android.media.SoundPool -- u/pid:10028/2089 -- state:idle -- attr:AudioAttributes: usage=13 content=4 flags=0x0 tags= bundle=null
ID:31015 -- type:android.media.MediaPlayer -- u/pid:10028/2089 -- state:stopped -- attr:AudioAttributes: usage=5 content=4 flags=0x0 tags= bundle=null
ID:15 -- type:android.media.SoundPool -- u/pid:1000/1431 -- state:idle -- attr:AudioAttributes: usage=13 content=4 flags=0x0 tags= bundle=null
ID:31 -- type:android.media.SoundPool -- u/pid:10028/2089 -- state:idle -- attr:AudioAttributes: usage=13 content=4 flags=0x0 tags= bundle=null
ID:31007 -- type:android.media.MediaPlayer -- u/pid:1000/1431 -- state:stopped -- attr:AudioAttributes: usage=13 content=4 flags=0x0 tags= bundle=null
ducked players:
muted player piids:
RecordActivityMonitor dump time: 09:01:00
session:5065 -- source:VOICE_COMMUNICATION -- uid:10132 -- patch:9 -- pack:com.whatsapp -- format client=1ch 16000Hz ENCODING_PCM_16BIT, dev=1ch 16000Hz ENCODING_PCM_16BIT
Audio Mode:
HwAudioService:DEBUG =false
mIsHuaweiSafeMediaConfig =true
mSecurityVolumeIndex =8
LOUD_VOICE_MODE_SUPPORT=false
Lound Voice State:
HW_SOUND_TRIGGER_SUPPORT=false
mSoundTriggerStatus=0
mad=on:
wakeup=on:
HW_KARAOKE_EFFECT_ENABLED=true
DTS_SOUND_EFFECTS_SUPPORT=false
mDtsStatus=0
Dts State:
DTS_MODE_PRESTATE:unknown
HS_NO_CHARGE_ON:
isCallForeground=true
DUAL_SMARTPA_SUPPORT=false
SPK_RCV_STEREO_SUPPORT=false
mSpkRcvStereoStatus=-1
mLowlatencyUidsMap={}
mVoipOptimizeInGameMode =false
我不知道，但似乎麦克风没有被任何应用程序使用，或者我错了？