Pass along scrollResponder()

Summary: Allows calls to `scrollResponder()` without crashing

Reviewed By: fkgozali

Differential Revision: D3293272

fbshipit-source-id: c46d99c0d7430a37fc364fa3aaf77dd192d7ab37

Author: fred2028

Libraries/Experimental/SwipeableRow/SwipeableListView.js

@@ -46,6 +46,8 @@ const SwipeableListView = React.createClass({
     },
   },
 
+  _listViewRef: (null: ?string),
+
   propTypes: {
     dataSource: PropTypes.object.isRequired, // SwipeableListViewDataSource
     maxSwipeDistance: PropTypes.number,
@@ -79,12 +81,22 @@ const SwipeableListView = React.createClass({
     return (
       <ListView
         {...this.props}
+        ref={(ref) => {
+          this._listViewRef = ref;
+        }}
         dataSource={this.state.dataSource}
         renderRow={this._renderRow}
       />
     );
   },
 
+  // Passing through ListView's getScrollResponder() function
+  getScrollResponder(): ?Object {
+    if (this._listViewRef && this._listViewRef.getScrollResponder) {
+      return this._listViewRef.getScrollResponder();
+    }
+  },
+
   _renderRow(rowData: Object, sectionID: string, rowID: string): ReactElement {
     const slideoutView = this.props.renderQuickActions(rowData, sectionID, rowID);