how is the text of textarea displayed on the first line? It is now displayed vertically and centered.
how is the text of textarea displayed on the first line? It is now displayed vertically and centered.
uses the TextInput component, to enter multiple lines of text in the text box, you need to set multiline= {true}, so that the text will be displayed vertically by default, and setting textAlignVertical: 'top' on the style of the TextInput component will display on the first line.
AB are elastic layouts A distance B minimum 20 A can compress B B minimum 30 AB is located at both ends of the horizontal how to implement this layout with flexbox? as shown in the figure: ...
can the project written by react be directly packaged into app without using react-native ...
jsCodeLocation = [NSURL URLWithString:@"http: localhost:8081 index.bundle?platform=ios&dev=true"]; the above code is normal in time, but an error is reported in a non-debug environment, that is, jsCodeLocation = [CodePush bundleURL]; ...
I have been using react-native-fetch-blob before, but this library has not been updated for a long time. Is there any other library recommendation? ...
install create-react-native-app, as normal to create a create-react-native-app project. After vscode starts with yarn, you can t see the QR code, showing a black area, but you can see it when you start it in the command window. What is the reason for t...
I re-call this._fetchData () when I load more data _ fetchMoreData () . Why do I report this._fetchData () is not a function () here? componentDidMount(){ this._fetchData(1) } _fetchData(page) { const that = this ,isLoadingDat...
introduced React-redux, into RN, but now a problem has been found: after I enter a screen and do some operations, the corresponding state of the screen changes, exits and enters again. Since the state in store has not been reset, the state after the l...
usage scenario: it has been seen on the Internet that when making a position jump, you need to know the height of each line between the starting point and the end point in order to accurately render the specified location. is there any way to opti...
after using a react-native init project, its entry file is written as follows import { AppRegistry } from react-native ; import App from . App ; AppRegistry.registerComponent( app , () => App); this is normal and conforms to my understandi...
the apk packaged by react native is so big that it is about 10m without writing any code. How to slim down app? ...
after opening the simulator and running it for a period of time, Xcode will report an error, and the simulator will get stuck when it fails what is the cause? ...
develop with react-native and quote Ant Financial Services Group s ant-mobile, to report that view config not found for name div, has introduced and configured babel-plugin-import. I don t know which boss has encountered this problem. Give me an answer...
problem description use react-native, and react-navigation to make a skin change function. The bottom BottomTabNavigator can dynamically change the color, but the top StackNavigator can not dynamically change the color. Why? if the page has not been ...
The question is shown in the picture. Does anyone know why? my code says this: ChatMessage = (item) => { const { navigate } = this.props.navigation; item[ chattype ] = Friends navigate( ChatMessage , item); ...
how does react-native integrate the X5 browser kernel and how to X5 video player after successful integration tried a lot of methods and found a lot of demo on the Internet. Many people gave up on this problem . it is hoped that there will be a techn...
the newly installed app, will ask if push is allowed, so what can react native do to detect whether the user allows it or not? ...
has recently been developing a project for react-native. there is such a piece of data on my first-level page. then click on the details and click on so-and-so to the third-level page, I changed the address information. but when you go back to t...
for example, I have the following high-level components HocAdd(1)(Hoc(Count)) so in the writing of high-order components, how do you want to merge multiple logical components ...
question: example: a string from the background is as follows: 5 now I want to form such a jsx, based on this string in order to highlight the number 5 , so wrap a Text : in the outer layer of 5 . <Text><Text>5< Text>< Text&...
recently in the maintenance company s app, is written in react-native, which uses a number of plug-ins, such as react-native-camera, react-native-webview, react-native-modal, etc., most of these plug-ins only need to understand js to learn, encounter p...