importReact,{Component}from'react';import{AppRegistry,StyleSheet,Text,View,PixelRatio,TouchableOpacity,Picker,}from'react-native';classhelloextendsComponent{constructor(props){super(props);this.state={language:
react-native link react-native-picker 然后就可以使用了,具体看文档 例如 import Picker from 'react-native-picker'; let data = []; for(var i=0;i<100;i++){ data.push(i); } Picker.init({ pickerData: data, selectedValue: [59], onPickerConfirm: data => { console.log(data); }, onP...
importReact,{Component}from'react';import{Picker}from'react-native';classMyPickerextendsComponent{state={selectedValue:'male',};render(){return(<Picker selectedValue={this.state.selectedValue}onValueChange={(itemValue,itemIndex)=>this.setState({selectedValue:itemValue})}><Picker.Item label="Male"val...
简述 在本章中,我们将创建具有两个可用选项的简单 Picker。 第 1 步:创建文件 在这里,App.js文件夹将用作展示组件。 app.js import React from 'react' import PickerExample from './PickerExample.js' ...
iOS/Android image picker with support for camera, video, configurable compression, multiple images and croppingResultImportant notesIf you are using react-native new architecture, you have to use react-native-image-crop-picker version >= 0.50.0...
reactNative之react-native-picker 在rn 中使用react-native-picker选择器,总结如下。 一、下载 npm install react-native-picker --save react-native link 二、安卓端配置 1.文件./android/settings.gradle中末尾添加 include ':react-native-picker' project(':react-native-picker').projectDir = new File(...
Picker实例 来看看实例演示的效果图,如下: 实例代码 代码语言:javascript 代码运行次数:0 运行 AI代码解释 importReact,{Component}from'react';import{AppRegistry,StyleSheet,Picker,Text,View}from'react-native';exportdefaultclassPickerDemoextendsComponent{state={selected:' ',dropdown:' ',}render(){return(<Vi...
importRNPickerSelectfrom'react-native-picker-select';exportconstDropdown=()=>{return(<RNPickerSelectonValueChange={(value)=>console.log(value)}items={[{label:'Football',value:'football'},{label:'Baseball',value:'baseball'},{label:'Hockey',value:'hockey'},]}/>);}; ...
一、依赖安装 依赖react-native-camera yarnaddreact-native-image-pickerreact-nativelinkreact-native-image-picker 二、调用相机 import { launchCamera } from 'react-native-image-picker'; launchCamera({ mediaType: 'photo', maxWidth: 1000,// 设置选择照片的大小,设置小的话会相应的进行压缩 ...
A Native Picker with high performance. Contribute to beefe/react-native-picker development by creating an account on GitHub.