FlatList.js

class FlatListHelper extends React.PureComponent {
  [...]
  
  _onScrollEndDrag = e => {
    if(e.nativeEvent.velocity.y == 0) {
      this.props.animation.handleIntermediateState(this.scrollToOffset);
    }
  };
  [...]

  render() {
    [...]
    
    return (
      <AnimatedFlatList
        [...]
        onScrollEndDrag={this._onScrollEndDrag}
        [...]
      />
    );
  }
}