text: import React, { Component } from "react";
  import {
    Container,
    Header,
    Title,
    Content,
    Button,
    Icon,
    Left,
    Right,
    Body,
    Text
  } from "native-base";
  import styles from "./styles";
  
  class HeaderSpan extends Component {
    render() {
      return (
        <Container style={styles.container}>
          <Header span>
            <Left>
              <Button transparent onPress={() => this.props.navigation.goBack()}>
                <Icon name="arrow-back" />
              </Button>
            </Left>
            <Body>
              <Title>Header Span</Title>
            </Body>
            <Right />
          </Header>
          <Content padder>
            <Text>Header span example</Text>
          </Content>
        </Container>
      );
    }
  }
  
  export default HeaderSpan;
  