text: 
  
  import React, { Component, PropTypes } from 'react';
  import {
    Platform,
    StyleSheet,
    View,
    Text,
    FlatList,
    TouchableOpacity,
    Image,
    Animated
  } from 'react-native';
  
  import Button from '../Button/Button';
  import {ScreenWidth, ScreenHeight, StreamColor} from '../../Define/PublicMacros';
  
  
  const backIcon = require('../../Resources/Images/tabbar_mine_n.png');
  
  class BackLeft extends Component {
  
    render() {
      return (
        <Button style={styles.container} 
                customView={
                  <View style={styles.back}>
                    <Image resizeMode="contain" style={styles.backIcon} source={backIcon} />
                    <Text style={styles.backText}>返回</Text>
                  </View>
                }
                onPress={() => {
                  let {goBack} = this.props.navigation;
                  goBack();
                }}/>
      );
    }
  }
  
  const styles = StyleSheet.create({
    container: {
      width: 70,
      height: 40,
      // marginLeft: 20,
      justifyContent: 'center',
    },
    back: {
      flexDirection: 'row',
      alignItems: 'center',
    },
    backIcon: {
      width: 16,
      height: 16,
      marginLeft: 10,  
    },
    backText: {
      marginLeft: 3,
      fontSize: 13, 
    }
  });
  
  
  // 连接组件 
  export default BackLeft;