我正在创建带有多个状态对象的简单组件,我想通过FlatList内部设置状态值,但是原因是当运行代码时,单击我调用回调函数页面的按钮变为空白然后出现错误
import React, {useState} from 'react';
import {View, StyleSheet, Text, Button, FlatList} from 'react-native';
import ColorCounter from '../components/ColorCounter';
const SquareScreen = () =>{
const [Colors,SetColors] = useState([
{
Name : 'Red',
Value : 0
},
{
Name : 'Green',
Value : 0
},
{
Name: 'Blue',
Value : 0
}
]);
return(
<View>
<FlatList keyExtractor={Key => Key.Name} data={Colors} renderItem={({item}) => {
return (
<ColorCounter OnIncrease={() => {SetColors(item.Value + 1)}} OnDecrease={() => {SetColors(item.Value - 1)}} Name={item.Name} />
);
}}/>
</View>
);
};