allwinner_a64/android/frameworks/opt/datetimepicker/proguard.flags

-keepclassmembers class com.android.datetimepicker.time.RadialSelectorView {
  *** setAnimationRadiusMultiplier(...);
}

-keepclassmembers class com.android.datetimepicker.time.RadialTextsView {
  *** setAnimationRadiusMultiplier(...);
}