无法实现react-native-elements表单?

时间:2019-05-14 15:22:20

标签: react-native react-native-elements

我正在尝试创建一个表单,该表单可以在react-native-elements的帮助下获取用户名和电子邮件地址,但在render函数内部给出错误(不变违规:元素类型无效:预期为字符串(对于内置-in组件)或类/函数(对于复合组件),但得到:未定义。您可能忘记了从定义的文件中导出组件,或者可能混淆了默认导入和命名导入)。

我试图将FormLabel,FormIput和FormValidationMessage放入render函数中的“视图和容器”中,但这给了我一个我无法弄清的错误。

import React from 'react';  
import { View, StyleSheet} from "react-native";  
import { FormLabel, FormInput, FormValidationMessage } from 'react-native-elements'  

export default class UserDetailsInput extends React.Component {  

    render() {
        return (
        <View>
            <FormLabel>Name</FormLabel>
            <FormInput/>
            <FormValidationMessage>Error message</FormValidationMessage>
        </View>
    );
}};

package.json

{  
    "main": "node_modules/expo/AppEntry.js",  
    "scripts": {  
        "start": "expo start",  
        "android": "expo start --android",  
        "ios": "expo start --ios",  
        "eject": "expo eject"  
    },  
    "dependencies": {  
        "expo": "^32.0.0",  
        "native-base": "^2.12.1",  
        "react": "16.5.0",  
        "react-dom": "^16.8.6",  
        "react-native": "https://github.com/expo/react-native/archive/sdk-32.0.0.tar.gz",  
        "react-native-elements": "^1.1.0",  
        "react-native-otp-inputs": "^3.0.2"  
    },  
    "devDependencies": {  
        "babel-preset-expo": "^5.0.0"  
    },  
    "private": true  
}  

我要求将react-native-elements显示在UI上,类似于docs网站上所示。 UI required similar to this one

1 个答案:

答案 0 :(得分:0)

这些组件已在React Native Elements 1.0中重命名或删除,因此您的导入将产生undefined。请参阅相应的release notes