message: Fab: don't use TouchableNativeFeedback.Ripple if not Android
  Fixes web crash due to TouchableNativeFeedback.Ripple being undefined on web
diff: @@ -462,7 +462,7 @@ class Fab extends Component {
  return (
  <Animated.View style={this.getContainerStyle()}>
  {this.renderButtons()}
  - {Platform.OS === PLATFORM.IOS ||
  + {Platform.OS !== PLATFORM.ANDROID ||
  variables.androidRipple === false ||
  Platform.Version <= 21 ? (
  <TouchableOpacity
  