# us.zoom.androidlib.util.HeadsetUtil.b (HeadsetUtil.java:12)

**URL:** <https://devforum.zoom.us/t/us-zoom-androidlib-util-headsetutil-b-headsetutil-java-12/104429>\
**Category:** Video SDK\
**Tags:** video-sdk\
**Created:** [February 23, 2024, 12:06am UTC](https://devforum.zoom.us/t/us-zoom-androidlib-util-headsetutil-b-headsetutil-java-12/104429 "2024-02-23T00:06:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jeonghoe9](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/jeonghoe9/32/56904_2.png) [@jeonghoe9](https://devforum.zoom.us/u/jeonghoe9)\
**Post date:** [February 23, 2024, 12:06am UTC](https://devforum.zoom.us/t/us-zoom-androidlib-util-headsetutil-b-headsetutil-java-12/104429/1 "2024-02-23T00:06:23Z")

</div>

- us.zoom.videosdk:ZoomVideoSDK:1.8.5
- Android SDK version : 13
- model : Galaxy S23

**Description**  
I received firebase crashlytics reported.  
So I don’t know reproduce.

How can I do this exception?

Fatal Exception: java.lang.NullPointerException  
Attempt to invoke virtual method ‘boolean us.zoom.internal.ZoomVideoSDKTestAudioDeviceHelperImpl.isAudioTesting()’ on a null object reference

log :  
us.zoom.androidlib.util.HeadsetUtil.b (HeadsetUtil.java:12)  
us.zoom.androidlib.util.HeadsetUtil.a (HeadsetUtil.java:60)  
us.zoom.androidlib.util.HeadsetUtil.a (HeadsetUtil.java:2)  
us.zoom.androidlib.util.HeadsetUtil$c.run (HeadsetUtil.java:1)  
android.os.Handler.handleCallback (Handler.java:942)