在 IOS 上,应用程序运行正常。但在 Android 上,我收到此错误。这是我在客户端和服务器中的配置。请帮忙!
错误: 错误图像
这是客户端的配置:
import ApolloClient, { createNetworkInterface } from 'apollo-client';
import { SubscriptionClient, addGraphQLSubscriptions } from 'subscriptions-transport-ws';
const networkInterface = createNetworkInterface({ uri: 'http://localhost:3000/graphql' });
const wsClient = new SubscriptionClient('ws://localhost:3000/subscriptions', {
reconnect: true,
});
const networkInterfaceWithSubscriptions = addGraphQLSubscriptions(
networkInterface,
wsClient,
);
export const client = new ApolloClient({
networkInterface: networkInterfaceWithSubscriptions,
});
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这是服务器上的配置:
import express from 'express';
import {
graphqlExpress,
graphiqlExpress,
} from 'graphql-server-express';
import bodyParser from 'body-parser';
import cors from 'cors';
import { execute, subscribe } from …Run Code Online (Sandbox Code Playgroud)