As per https://facebook.github.io/react-native/docs/accessibility

Note: > accessibilityRole and accessibilityStates are meant to be a cross-platform solution to replace accessibilityTraits and accessibilityComponentType, which will soon be deprecated. When possible, use accessibilityRole and accessibilityStates instead of accessibilityTraits and accessibilityComponentType.

I believe @mshoho is investigating using the new API from RN