Workout.js

import React, { Component } from 'react'
import {
  View,
  Text,
  ListView,
} from 'react-native'

import Exercises from './exercises'
import style from './style'

const ds = new ListView.DataSource({rowHasChanged: (r1, r2) => r1 !== r2})

export default class Workout extends Component {
  constructor(props) {
    super(props)
    this.state = {
      dataSource: ds.cloneWithRows(Exercises),
    }
  }

  renderRow(rowData, sectionID, rowID) {
     return (
       <View style={style.listItemContainer}>
        <Text style={style.listItem}>{rowData.title}</Text>
       </View>
     )
  }
  render() {
    return (
      <View style={style.container}>
        <ListView
          style={style.list}
          initialListSize={1}
          removeClippedSubviews={false}
          enableEmptySections={true}
          dataSource={this.state.dataSource}
          renderRow={this.renderRow.bind(this)}
        />
      </View>
    );
  }
}