diff --git a/core/api/system-current.txt b/core/api/system-current.txt index 0d28b6e01d253..1f562ac516409 100644 --- a/core/api/system-current.txt +++ b/core/api/system-current.txt @@ -5672,6 +5672,7 @@ package android.media { method @NonNull @RequiresPermission(android.Manifest.permission.CALL_AUDIO_INTERCEPTION) public android.media.AudioTrack getCallUplinkInjectionAudioTrack(@NonNull android.media.AudioFormat); method @RequiresPermission(anyOf={android.Manifest.permission.MODIFY_AUDIO_ROUTING, "android.permission.QUERY_AUDIO_STATE"}) public int getDeviceVolumeBehavior(@NonNull android.media.AudioDeviceAttributes); method @NonNull @RequiresPermission(anyOf={android.Manifest.permission.MODIFY_AUDIO_ROUTING, "android.permission.QUERY_AUDIO_STATE"}) public java.util.List getDevicesForAttributes(@NonNull android.media.AudioAttributes); + method @RequiresPermission("android.permission.QUERY_AUDIO_STATE") public int getLastAudibleStreamVolume(int); method @IntRange(from=0) public long getMaxAdditionalOutputDeviceDelay(@NonNull android.media.AudioDeviceInfo); method @IntRange(from=0) @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING) public int getMaxVolumeIndexForAttributes(@NonNull android.media.AudioAttributes); method @IntRange(from=0) @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING) public int getMinVolumeIndexForAttributes(@NonNull android.media.AudioAttributes); diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java index 5c4211fdff240..21fc6eccc67b1 100644 --- a/media/java/android/media/AudioManager.java +++ b/media/java/android/media/AudioManager.java @@ -1204,7 +1204,8 @@ public class AudioManager { * * @hide */ - @UnsupportedAppUsage + @SystemApi + @RequiresPermission("android.permission.QUERY_AUDIO_STATE") public int getLastAudibleStreamVolume(int streamType) { final IAudioService service = getService(); try { diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java index 902cdb932cdb4..0879bec665baa 100644 --- a/services/core/java/com/android/server/audio/AudioService.java +++ b/services/core/java/com/android/server/audio/AudioService.java @@ -3239,6 +3239,13 @@ public class AudioService extends IAudioService.Stub } } + private void enforceQueryStatePermission() { + if (mContext.checkCallingOrSelfPermission(Manifest.permission.QUERY_AUDIO_STATE) + != PackageManager.PERMISSION_GRANTED) { + throw new SecurityException("Missing QUERY_AUDIO_STATE permissions"); + } + } + private void enforceQueryStateOrModifyRoutingPermission() { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING) != PackageManager.PERMISSION_GRANTED @@ -4143,6 +4150,7 @@ public class AudioService extends IAudioService.Stub /** Get last audible volume before stream was muted. */ public int getLastAudibleStreamVolume(int streamType) { + enforceQueryStatePermission(); ensureValidStreamType(streamType); int device = getDeviceForStream(streamType); return (mStreamStates[streamType].getIndex(device) + 5) / 10;