Galaxy S9 throws this error: android.view.InflateException: Binary XML file

[brianosoro]

Caused by android.view.InflateException: Binary XML file line #110 in x/submit_results: Binary XML file line #110 in x/submit_results: Error inflating class com.chivorn.smartmaterialspinner.SmartMaterialSpinner

[nabeelhafeez]

Caused by: android.view.InflateException: Binary XML file line #164 in self.enumeration:layout/activity_address: Binary XML file line #164 in self.enumeration:layout/activity_address: Error inflating class com.chivorn.smartmaterialspinner.SmartMaterialSpinner
thats occur in release build.
I also added -keep class com.chivorn.smartmaterialspinner.SmartMaterialSpinner in proguard file.