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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,

Stepping on the react Native Android pit for a few days. summed up as a sentence, the current Android learning react native is too early, too many pits, you need to step slowly. At present, can trample the pit basically all tread once, so still wait for it to stabilize to learn again, otherwise will waste a lot of time

Detailed description of the NavigatorIOS component in React Native, reactnavigatorios 1. Introduction to NavigatorIOS Components 1. Component Description With NavigatorIOS, we can implement the application navigation (Routing) function, that is, switching between views, moving forward and backward. There is a navigation bar (hidden) at the top of the page ). The NavigatorIOS component is essentially a packa

Networking (Network) Most mobile applications need to load data resources from a remote URL, so we need to send a request to an interface, or just get a static content from another server . 1.Using Fetch (using Fetch) React Native provides us with the fetch API required for network requests.Making Requests (initiating a request )Want to get content from any URL? You only need to get through the URL : F

Here are the most easily encountered react native Android-related case: 1. After the app launches, the Red interface, unable load jsbundle: Workaround: Generally speaking, you are using the Dev-serve way, and your server does not match correctly, if you are running with a mobile phone, you need a PC and mobile phone in the same wifi, and through the menu key set Menu-ip for the PC's

Widows version: Win7 64-bit Professional Edition1. Install the JDK. (I use the JDK7)Note Select x86 or x64 version, add to system PATH environment variable2. Get the Android SDK readyThis is not much to say, it is recommended to use Android Studio, the simulator recommended to use Genymotion, than the own AVD is much faster.3. Installing the C + + environmentYou can install Visual Studio 2013 or 2015 directly, or you can choose a separate SDK to compile the C + + module for node. js.4. Install n

In the project, do not know whether you have encountered such a problem, for example, there are two pages, a, B. A page has a button click to jump to the B page, now there is a requirement is that I did something in the B page, and then click the Fallback button to go back to the a page, a page of the data also need to be refreshed. Well, if you are a friend of Android developers will know that there are many ways to solve such requirements, such as the life cycle of the activity can be used, bu

React Native iOS environment setupReact Native iOS environment setup Some time ago, when React Native for Android was released, more and more companies began to study and use React Native