Question

这是我的项目文件夹Project folder

当我第一次将项目启动到我的设备中时，一切都运行良好。我想学习反应导航，所以我按照这个链接https://wix.github.io/react-native-navigation/#/installation-android 安装react-native导航后，尝试将启动屏幕作为我的

中的启动画面

屏幕文件夹

Index.android.js

SELECT
                    c.col_id,
                    c.col_quantity,
                    c.col_request_date,
                    c.col_status,
                    u.col_name,
                    u.col_lname,
                    u.col_phone,
                    u.col_address,
                    p.col_name,
                    p.col_supplier,
                    p.col_quantity,
                    p.col_price,
                    p.col_image
                FROM 
                    tbl_cart AS c 
                JOIN 
                    tbl_users AS u 
                ON 
                    u.col_acct_id = c.col_user_id 
                JOIN 
                    tbl_product AS p 
                ON 
                    p.col_id = c.col_product_id 
                WHERE 
                    (c.col_status = "checkout" OR c.col_status = "checkout_complete") 
                GROUP BY 
                    (c.col_user_id AND c.col_request_date)

index.js

import App from './src/App';

App.js

import { Navigation } from 'react-native-navigation';
import startupscreen from './startupscreen';

export function registerScreens() {
   Navigation.registerComponent('dudenew.startupscreen', () => 
 startupscreen);
}

startupscreen.js

import { Navigation } from 'react-native-navigation';

 import React, { Component } from 'react';
 import {
 AppRegistry,
 } from 'react-native';

 import { registerScreens } from './screens';

 registerScreens();


 AppRegistry.registerComponent('dudenew', () => dudenew);

为什么它会显示我的白色空白屏幕？提前致谢

Answer 1

react-native版本似乎有问题，将您的react-native版本降级到0.49，然后应该没问题。

在机器人的白色黑屏，当跑时反应当地人

1 个答案: