message: Removed unused selectedId from state
diff: @@ -12,10 +12,7 @@ export default class List extends React.Component {
  const ds = new ListView.DataSource({
  rowHasChanged: (r1, r2) => r1 !== r2,
  });
  - this.state = {
  - dataSource: ds.cloneWithRows(props.places),
  - selectedId: 0,
  - };
  + this.state = {dataSource: ds.cloneWithRows(props.places)};
  }
  shouldComponentUpdate(props) {
  return this.url === props.stateNavigator.stateContext.url;
  