StreamVolumeManager crash during Initialization on certain devices when getting getStreamVolume from AudioManager

[saurabhkpatel]

[REQUIRED] Issue description

Getting the following crash after bumping the new release version which has this commit: 160ee9d

Crash is:

• During SimpleExoPlayer inits, StreamVolumeManager sets the volume which gets the streaming volume from AudioManager and it gives NPE.

[REQUIRED] Reproduction steps

This crash is very device-specific, I see this crash only happens on some manufactured (so far only two: RealMe
OPPO) Android 10 devices.

[REQUIRED] Link to test content

NA

[REQUIRED] A full bug report captured from the device

--- Caused by.java.lang.NullPointerException:Attempt to invoke interface method 'java.util.Iterator java.util.List.iterator()' on a null object reference
android.os.createException ( Parcel .java :2093)
android.os.readException ( Parcel .java :2055)
android.os.readException ( Parcel .java :2003)
android.media.getStreamVolume ( IAudioService .java :2409)
android.media.getStreamVolume ( AudioManager .java :1115)
com.google.android.exoplayer2.getVolumeFromManager ( StreamVolumeManager .java :180)
com.google.android.exoplayer2.<init> ( StreamVolumeManager .java :68)
com.google.android.exoplayer2.<init> ( SimpleExoPlayer .java :648)
com.google.android.exoplayer2.build ( SimpleExoPlayer .java :513)

[REQUIRED] Version of ExoPlayer being used

2.12.1

[REQUIRED] Device(s) and version(s) of Android being used

Brand: realme
Model: realme X2Pro, realMe 5 pro,realme 2 Pro
Brand: OPPO
Model: R15 Pro, A52, A72, K3,

[kim-vde]

This seems to be a device-specific issue in Android framework. I will implement a workaround.

[kim-vde]

I just pushed the fix. Please let us know if you still encounter issues with the AudioManager in the future.

[saurabhkpatel]

@kim-vde : what's the timeline to release this?

[kim-vde]

Probably end of November or beginning of December.