Fix System.NullReferenceException: Object reference not set to an instance of an object in IOnTimeSetListener.OnTimeSet (Android.Widget.TimePicker view, System.Int32 hourOfDay, System.Int32 minute)

[MatthewGerber]

Version 15.18.0(1587488655)

Stacktrace

Reason

System.NullReferenceException: Object reference not set to an instance of an object

Link to App Center

• https://appcenter.ms/orgs/uva-predictive-technology-lab/apps/sensus-android/crashes/errors/904571980u