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React Native Knowledge 11-Props (properties) and State (State), react11-props I. Props (attributes) Most components can be customized using various parameters during creation. These parameters are called properties ). Props is specified in the parent component, and once specified, it will not change in the lifecycle of the specified component By using different attributes for customization in different scen

One: Props ( attribute)Most components can be customized with various parameters when they are created. These parameters, which are used for customization, are called Props (attributes). props is specified in the parent component and, once specified, is no longer changed in the lifetime of the specified component By using different property customizations in different scenarios, you can maximize the reuse of your custom components. Simply refer to This.props in the render function and then proce

. Misunderstanding of React's Virtual DOM. React never said "React is faster than native operation DOM." React's Basic thinking pattern is to re-render the entire application every time there is a change. If there is no Virtual DOM, the simple thing to do is to reset InnerHTML directly. Many people do not realize that in a large list of all the data has changed,

Available style attributes in the Andriod React Native style sheet After writing so many blog posts about Android React Native, we basically finished all the complicated things. Next, let's take a look at some simple things that are related to layout, that is, css styles, which css styles can be set for a View? Is the

The implementation of this tutorial is as follows:In order to achieve its fade-in/fade-out coverage, there is a Cancel button, here with a three-party component, you can first install:Three-party components address: Https://github.com/eyaleizenberg/react-native-custom-action-sheet (can see, you can also go directly to my steps)1. Run the project directory in Terminal: NPM install

Example code of the react native indexed city list component, reactnative City list selection is a common feature of many apps, such as a typical meitu app. So how can we implement React Native? To achieve the above results, you must first make a simple analysis of the composition of the interface, the interface data

Source Code /** * Sample React Native App * https://github.com/facebook/react-native */' use strict '; var React = require (' react-native '); var {appregistry, StyleSheet, Text, Vi

React Native developed Address Book application (using JavaScript to develop native iOS apps, Vczero) 0, Preface: Project Address: HTTPS://GITHUB.COM/VCZERO/REACT-NATIVE-APPWelcome to issues to discuss any issues, including "fitting room" ....I. Project introduction based on

Some time ago react Native for Android released, feel react Native will be more and more companies began to research, use. So Saturday also took time to build the iOS development environment, so that in the future to take advantage of leisure to learn.Needless to say, the following is a simple list of steps.1. Installi

UITableView form Creation (React Native) by Wusheying' Use strict '; var React = require (' react-native '); var {Image, ListView, StyleSheet, Text, View,} = React;var Sampleap p = React.createclass ({getinitialstate:function () {

One of React Native study notes, reactnative 1. Run React Native to report a connection error. Solution: Enter the project file on the terminal and execute: (cd Pods/React; npm run start) 2: component lifecycle Creation phase 1. getdefaproprops It is called when calling

UIImageView creation (React Native) and uiimageviewreactUIImageView creation (React Native) by Wu xueying 'use strict';var React = require('react-native');var { AppRegistry, StyleShee

problems, the steps are as follows:1) Open Sublime Text3, click "Preferences" and "Package Control" in the menu bar, or you can use the shortcut key Ctrl+shift+p Open2) In the Open terminal window, enter "Install", below will be prompted "package Control:install", with the mouse click3) Wait a few seconds at this time, will pop up a terminal, in the terminal input you want to install the plug-in, to find, click on the list below the plug-in, will automatically install for youSome of the recomme

Moles-packerMoles-packer was developed by the Ctrip Framework team with the React Native packaging and unpacking tools that are used in conjunction with the Ctrip moles framework, while supporting native React Native projects.GitHub AddressNPM AddressInstallation#从npm仓库中安装。n

Recently in a small exercise project, users need to jump to the user login information interface, half an hour of overtime to finally the layout of the interface. Contact Rect-native also has a period of time, previously did not do iOS, only done Android, on the layout and development efficiency, react-native to my feeling is the development efficiency is much hi

By building the Android environment, we can continue to build our react native environment.Of course, according to the FB installation process to complete the construction of Rn.Http://facebook.github.io/react-native/docs/getting-started.html1.Install Python2Be sure to install Python2. x.x version, remember not to inst