react-native

问题 I am building an App and referring this link i implemented same code for my App, but i am getting error "Cannot read the property 'getSelectedItemsExt' of undefined". One more error is "submit" button is also not showing up. I have tried all the ways but failed. import React, { Component } from 'react'; import { AppRegistry, StyleSheet, TextInput, View, ListView, Alert, Button, Platform, ToastAndroid, TouchableOpacity, ActivityIndicator, Text, Picker, ScrollView } from 'react-native'; import

问题 I am building an App and referring this link i implemented same code for my App, but i am getting error "Cannot read the property 'getSelectedItemsExt' of undefined". One more error is "submit" button is also not showing up. I have tried all the ways but failed. import React, { Component } from 'react'; import { AppRegistry, StyleSheet, TextInput, View, ListView, Alert, Button, Platform, ToastAndroid, TouchableOpacity, ActivityIndicator, Text, Picker, ScrollView } from 'react-native'; import

问题 I'm working with react-native, and trying to load Apollo from apollo-boost. When I attempt to import the client, I get the error message "Attempted to assign to readonly property." I'm not sure how to work around this, and it seems from the stack trace that it's in the apollo-boost package. Anybody know how I can work around this? edit: Adding picture and details. I'm getting this when I try to load the app through Expo. Right when it starts, I get this. The first file in my app the stack

问题 I'm working with react-native, and trying to load Apollo from apollo-boost. When I attempt to import the client, I get the error message "Attempted to assign to readonly property." I'm not sure how to work around this, and it seems from the stack trace that it's in the apollo-boost package. Anybody know how I can work around this? edit: Adding picture and details. I'm getting this when I try to load the app through Expo. Right when it starts, I get this. The first file in my app the stack

问题 I'm working with react-native, and trying to load Apollo from apollo-boost. When I attempt to import the client, I get the error message "Attempted to assign to readonly property." I'm not sure how to work around this, and it seems from the stack trace that it's in the apollo-boost package. Anybody know how I can work around this? edit: Adding picture and details. I'm getting this when I try to load the app through Expo. Right when it starts, I get this. The first file in my app the stack

问题 I'm tryin to use RabbitMQ with React Native. I could'nt find an example about this topic. I've followed this great answer I've got a connection to the server from my emulator. I'm tryin to send a simple message from server with rabbitmq hello world tutorial. Message goes to queue, I can see it on the management tab on browser. I'm tryin to listen to it as react-native-rabbitmq read.me, using below code. // Receive one message when it arrives queue.on('message', (data) => { }); // Receive all

问题 I'm tryin to use RabbitMQ with React Native. I could'nt find an example about this topic. I've followed this great answer I've got a connection to the server from my emulator. I'm tryin to send a simple message from server with rabbitmq hello world tutorial. Message goes to queue, I can see it on the management tab on browser. I'm tryin to listen to it as react-native-rabbitmq read.me, using below code. // Receive one message when it arrives queue.on('message', (data) => { }); // Receive all

问题 I am fetching strings with markdown from api and trying to use them in react-native project. Is there any similar library to marked that can be used in react-native or what is the best practice to achieve same result? 回答1: I did not have a chance to try any, but it looks like there are some libraries available, that can handle markdown react-native-markdown react-native-markdown-view react-native-simple-markdown 来源： https://stackoverflow.com/questions/43937927/marked-for-react-native

问题 I'm tryin to use RabbitMQ with React Native. I could'nt find an example about this topic. I've followed this great answer I've got a connection to the server from my emulator. I'm tryin to send a simple message from server with rabbitmq hello world tutorial. Message goes to queue, I can see it on the management tab on browser. I'm tryin to listen to it as react-native-rabbitmq read.me, using below code. // Receive one message when it arrives queue.on('message', (data) => { }); // Receive all

问题 Let's say I have a component with a scrollable subcomponent, and I want to expose the ability to scroll: const MyComponent = (props) => { return <ScrollView ... /> } I want to be able to do <MyComponent ref={myRef} /> ... myRef.scrollTo({x: 0}); So I need a way to forward the ref to the <ScrollView> . Let's try putting the ref on the props: const MyComponent = (props) => { return <ScrollView ref={props.scrollRef} ... /> } ... <MyComponent scrollRef={myRef} /> ... myRef.scrollTo({x: 0}); I