content: 
  import React, { Component } from 'react';
  import { connect } from 'react-redux';
  import { Container, Header, Title, Content, Button, Icon, List, ListItem, CheckBox, Text } from 'native-base';
  
  import { openDrawer } from '../../actions/drawer';
  import styles from './styles';
  
  class NHCheckbox extends Component {
  
    static propTypes = {
      openDrawer: React.PropTypes.func,
    }
  
    constructor(props) {
      super(props);
      this.state = {
        checkbox1: true,
        checkbox2: true,
        checkbox3: true,
        checkbox4: false,
      };
    }
  
    toggleSwitch1() {
      this.setState({
        checkbox1: !this.state.checkbox1,
      });
    }
  
    toggleSwitch2() {
      this.setState({
        checkbox2: !this.state.checkbox2,
      });
    }
  
    toggleSwitch3() {
      this.setState({
        checkbox3: !this.state.checkbox3,
      });
    }
  
    toggleSwitch4() {
      this.setState({
        checkbox4: !this.state.checkbox4,
      });
    }
  
    render() {
      return (
        <Container style={styles.container}>
          <Header>
            <Title>Check Box</Title>
  
            <Button transparent onPress={this.props.openDrawer}>
              <Icon name="ios-menu" />
            </Button>
          </Header>
  
          <Content>
            <List>
              <ListItem button onPress={() => this.toggleSwitch1()}>
                <CheckBox checked={this.state.checkbox1} onPress={() => this.toggleSwitch1()} />
                <Text>Lunch Break</Text>
              </ListItem>
              <ListItem button onPress={() => this.toggleSwitch2()}>
                <CheckBox checked={this.state.checkbox2} onPress={() => this.toggleSwitch2()} />
                <Text>Daily Stand Up</Text>
              </ListItem>
              <ListItem button onPress={() => this.toggleSwitch3()}>
                <CheckBox checked={this.state.checkbox3} onPress={() => this.toggleSwitch3()} />
                <Text>Finish list Screen</Text>
              </ListItem>
              <ListItem button onPress={() => this.toggleSwitch4()}>
                <CheckBox checked={this.state.checkbox4} onPress={() => this.toggleSwitch4()} />
                <Text>Discussion with Client</Text>
              </ListItem>
            </List>
          </Content>
        </Container>
      );
    }
  }
  
  function bindAction(dispatch) {
    return {
      openDrawer: () => dispatch(openDrawer()),
    };
  }
  
  const mapStateToProps = state => ({
    navigation: state.cardNavigation,
  });
  
  export default connect(mapStateToProps, bindAction)(NHCheckbox);
  