在React Native中,Image组件是用来加载图片的组件,如果学习过android的话,应该知道Image组件的作用就相当于android中的ImageView控件,用于显示图片。 Image加载图片等几种方式 作为RN中加载图片的组件,不同于android中的ImageView,android中的ImageView仅用来加载android项目中的drawable和mipmap目录下的图片资源。 RN项目本就...
* Sample React Native App * https://github.com/facebook/react-native * @flow */import React, { Component } from 'react'; import ImageView from './src/ImageView' import { AppRegistry, } from 'react-native'; export default class ReactNativeDemo extends Component { render() { return (<Im...
FastImage.resizeMode.stretch- Scale width and height independently, This may change the aspect ratio of the src. FastImage.resizeMode.center- Do not scale the image, keep centered. onLoadStart?: () => void Called when the image starts to load. ...
importMarker,{Position,TextBackgroundType}from"react-native-image-marker"···Marker.markText({backgroundImage:{src:require('./images/test.jpg'),scale:1,rotate:30,},waterMarkTexts:[{text:'hello world \n 你好',position:{position:Position.topLeft,},style:{color:'#FFFF00',fontSize:30,font...
I have tried to set the loading indicator source for android's ImageView, yet it doesn't work. From the release log in react-native it says that Added loadingIndicatorSrc property to Image, similar to iOS defaultSource, for displaying so...
src .editorconfig .gitattributes .gitignore .npmignore .nvmrc .watchmanconfig .yarnrc CONTRIBUTING.md LICENSE README.md babel.config.js lefthook.yml package.json react-native-image-resizer.podspec tsconfig.build.json tsconfig.json yarn.lock
import React, { Component } from 'react'; import ImageView from './src/ImageView' import { AppRegistry, } from 'react-native'; export default class ReactNativeDemo extends Component { render() { return ( <ImageView/> ); } } AppRegistry.registerComponent('ReactNativeDemo', () => ReactNativ...
react-native 中使用到的一些功能 1. 获取设备通知权限 react-native中的PermissionsAndroid能够获取android设备的部分权限信息,但是无法获取通知权限。所以需要在android项目中增加获取权限的操作,在js代码中去调用。 在android/app/src/main/java目录下,新建一个rn.plugin/common/CommonModule,用于调用android功能:...
所谓原生图片,android中指的是app/src/main/res/drawable目录下,ios中指的是Images.xcassets目录,或者说是打包后的apk后反编译出来的图片资源 从以上代码可以看到,我们可以看到,加载方式为: {uri:'图片名称'} 这里的图片名称不带图片的后缀名,并且没有路径,只有一个图片名称 ...
importReact,{useState,useEffect}from'react';importPropTypesfrom'prop-types';import{Image,Dimensions}from'react-native'const{width:screenWidth,height:screenHeight}=Dimensions.get('window')constScaledImage=(props)=>{const[source,setSource]=useState({uri:props.uri})conststyles=props.style?props.style:{...