importReact,{Component}from'react';import{AppRegistry,StyleSheet,Text,View,PixelRatio,TouchableOpacity,Picker,}from'react-native';classhelloextendsComponent{constructor(props){super(props);this.state={language:null};}render(){return(<View style={{flex:1,marginTop:40}}><Picker selectedValue={this.stat...
npm install react-native-picker 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 => ...
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(rootProject.projectDir, '../node_modules/react-native-picker/android') 2.文件./and...
itemStyle itemStylePropType ios 指定应用在每项标签上的样式 Picker实例 来看看实例演示的效果图,如下: 实例代码 1. importReact, { Component } from'react'; import{ AppRegistry, StyleSheet, Picker, Text, View } from'react-native'; exportdefaultclassPickerDemoextendsComponent { state={ selected:' ', ...
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' ...
node_modules/react-native-picker/android/src/main/java/com/beefe/picker/PickerViewModule.java 文件代码替换以下代码。 package com.beefe.picker;importandroid.content.res.AssetManager;importandroid.app.Activity;importandroid.app.Dialog;importandroid.graphics.Color;importandroid.graphics.PixelFormat;importandroid...
importPickerfrom'react-native-picker' (4) 使用 (一) Picker.init选项 pickerData :数据源 selectedValue :默认选择第几项 pickerConfirmBtnText :确定按钮 pickerCancelBtnText :取消按钮 pickerTitleText :pickerToolBar的标题 pickerToolBarBg :顶部菜单背景(pickerToolBar背景) ...
react-native-pickers 纯JS实现Picker,还是有点难度的,需要涉及到RN的性能优化(联动不能使用setState来更新)、 自定义手势、自定义点击以及动画等。 其他Dialog只是因为Picker是基于项目的BaseDialog扩展来的,就一并整理发布。 🤗 🤗 随手给颗星星呗,有bug或者交流,欢迎留言第一时间维护。🤗 🤗 ...
npminstallreact-native-picker--save Step 2 - link react-native link Step 3 - import and use in project importPickerfrom'react-native-picker';letdata=[];for(vari=0;i<100;i++){data.push(i);}Picker.init({pickerData:data,selectedValue:[59],onPickerConfirm:data=>{console.log(data);},on...
React Native - Debugging React Native - Router React Native - Running IOS React Native - Running Android Components and APIs React Native - View React Native - WebView React Native - Modal React Native - ActivityIndicator React Native - Picker React Native - Status Bar React Native - Switch Re...