Netinfo/react-native

What is NetInfo in react native?

React Native NetInfo exposes information about online/offline status. NetInfo notifies continuously about the network state whether it is online or offline. Information about the net connection is very helpful when you are making an application that only works in online mode.

How do I import NetInfo into react native?

Right click on the Libraries folder and select Add files to "yourProjectName" . Add RNCNetInfo. xcodeproj (located at node_modules/@react-native-community/react-native-netinfo/macos ) to your project Libraries. Go to Build Phases -> Link Binary with Libraries and add: libRNCNetInfo-macOS.

How do I install react native community checkbox?

Add the CheckboxWindows project to your solution

Open the solution in Visual Studio 2019. Right-click solution icon in Solution Explorer > Add > Existing Project. Select 'D:\pathToYourApp\node_modules@react-native-community\checkbox\windows\CheckboxWindows\CheckboxWindows. vcxproj'.

How do I handle no Internet connection in React Native?

First, create a isOffline state variable that will hold a boolean value to represent if the user is offline or not. Add NetInfo. addEventListener in the useEffect hook to listen to network changes and update the value of isOffline state.

Why we use zIndex in React Native?

Using zIndex in React Native to stack and reposition elements. When two or more React Native elements overlap, their zIndex values will determine where they'll be placed in the stack. The element with the highest zIndex will be placed in front, while the element with the lowest zIndex will be placed at the back.

Can I import react from React Native?

Approach: React Native uses the same features as mentioned above, and you may treat each React Component as a module itself. Thus, it is possible to import React Native Components and it is one of the basic operations to be performed.

How do I connect API to React Native?

In React Native, you can request data from an API over the network using the fetch() method. The syntax is simple as follows: fetch('https://examples.com/data.json'); We simply pass the URL to the fetch method to make a request.

How do I install react-native libraries?

You can install a particular version of the library by running npm install <library-name>@<version-number> , for example: npm install @react-native-community/netinfo@^2.0.0 .

How do I run React Native app?

Running your React Native application

Install the Expo Go app on your iOS or Android phone and connect to the same wireless network as your computer. On Android, use the Expo Go app to scan the QR code from your terminal to open your project. On iOS, use the built-in QR code scanner of the default iOS Camera app.

Where is my React Native path?

If you installed the react-native npm package global u can get the install path using the command: npm list -g if u installed it locally on project level it should be in the node_modules directory.

What does async function do in React Native?

AsyncStorage is a simple, asynchronous, unencrypted by default module that allows you to persist data offline in React Native apps. The persistence of data is done in a key-value storage system. There are numerous scenarios where this module can be beneficial.

What is MobX in React Native?

MobX is one of the most popular state management libraries used by applications sized from small to large. With the introduction of the new React Context API, MobX can now be very easily integrated in React Native Navigation projects.

What is Jetifier in React Native?

The standalone Jetifier tool migrates support-library-dependent libraries to instead rely on the equivalent AndroidX packages. The tool lets you migrate an individual library directly instead of using the Android Gradle plugin bundled with Android Studio.

What is async in React Native?

AsyncStorage is an unencrypted, asynchronous, persistent, key-value storage system that is global to the app. It should be used instead of LocalStorage. It is recommended that you use an abstraction on top of AsyncStorage instead of AsyncStorage directly for anything more than light usage since it operates globally.

Why should I use async?

If you have any I/O-bound needs (such as requesting data from a network, accessing a database, or reading and writing to a file system), you'll want to utilize asynchronous programming. You could also have CPU-bound code, such as performing an expensive calculation, which is also a good scenario for writing async code.

When should I use async functions?

Asynchronous loops are necessary when there is a large number of iterations involved or when the operations within the loop are complex. But for simple tasks like iterating through a small array, there is no reason to overcomplicate things by using a complex recursive function.

Can we use async await in React Native?

Enabling async and await

React Native uses the Babel JavaScript compiler to transform modern JavaScript with the latest features into code that today's JavaScript VMs understand. React Native enables async functions by default in its Babel preset configuration.

Is MobX faster than Redux?

Based on the developer community, popularity, and scalability, Redux performs better than MobX. But if you're looking to get up to speed quickly and build simple apps with less boilerplate code, MobX might be your best bet.

Is MobX easier than Redux?

Because of the high level of abstraction, it is simple to understand, and JavaScript developers familiar with OOP ideas will have a firm grasp of MobX. Redux is based on the functional programming paradigm, making it difficult to grasp immediately.

Which is better Redux or MobX?

In the case of MobX, the state of an application can be stored in multiple stores (as MobX is based on reactive programming) while Redux, relying upon functional programming concepts, only has one store. Interestingly, MobX is much better to use when TypeScript is involved in the project.