小编Asp*_*ina的帖子

我正在经历一些生产中的内存崩溃.试图找出问题,我可以制作一个小应用程序来重现问题.

import React from 'react';                                                                                                                                                                             
import { StyleSheet, Text, View, TouchableOpacity } from 'react-native';                                                                                                                               

export default class App extends React.Component {                                                                                                                                                     
  constructor(props) {                                                                                                                                                                                 
    super(props);                                                                                                                                                                                      
    this.state = {                                                                                                                                                                                     
      count: 0,                                                                                                                                                                                        
    };                                                                                                                                                                                                 
  }                                                                                                                                                                                                    

  render() {                                                                                                                                                                                           
    const { count } = this.state;                                                                                                                                                                      
    const extraContent = new Array(200 * count).fill().map((_, index) => (                                                                                                                             
      <View key={index}><Text>Line {index}</Text></View>                                                                                                                                               
    ));                                                                                                                                                                                                

    return (                                                                                                                                                                                           
      <View style={styles.container}>                                                                                                                                                                  
        <View style={styles.actions}>                                                                                                                                                                  
          <TouchableOpacity onPress={() => this.setState({ count: count + 1})}>                                                                                                                        
            <View style={styles.button}>                                                                                                                                                               
              <Text style={styles.buttonText}>Add</Text>                                                                                                                                               
            </View>                                                                                                                                                                                    
          </TouchableOpacity>                                                                                                                                                                          
          <TouchableOpacity onPress={() => count > 0 && …