Check Network Reachability instantly

by React Native Example

react-native-network-state

Check Network Reachability instantly.

Features

  • Detect network connection instancely
  • Support onConnected, onDisconnected callback
  • Highly customizable UI
  • Open Wifi setting

Getting started

$ npm install react-native-network-state --save

or

$ yarn add react-native-network-state

Automatic installation

$ react-native link react-native-network-state

Manual installation

iOS (Install via Cocoapods is not supported righ now)

  1. In XCode, in the project navigator, right click Libraries ➜ Add Files to [your project's name]
  2. Go to node_modules ➜ react-native-network-state and add RNNetworkState.xcodeproj
  3. In XCode, in the project navigator, select your project. Add libRNNetworkState.a to your project's Build Phases ➜ Link Binary With Libraries
  4. Run your project (Cmd+R)<

Android

  1. Open up android/app/src/main/java/[...]/MainActivity.java
  • Add import com.reactnativevietnam.RNNetworkStatePackage; to the imports at the top of the file
  • Add new RNNetworkStatePackage() to the list returned by the getPackages() method

  1. Append the following lines to android/settings.gradle:

    include ':react-native-network-state'
project(':react-native-network-state').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-network-state/android')

  2. Insert the following lines inside the dependencies block in android/app/build.gradle:

      compile project(':react-native-network-state')

Extra setup (Very important)

iOS

  1. Add SystemConfiguration.framework to your Linked Frameworks and Libraries, see images bellow:

    1.1


    1.2

Android

  1. Insert these lines to AndroidManifest.xml

    // ask permissions
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

<application ...>
    ...
    // insert these lines
    <receiver android:name="com.reactnativevietnam.NetworkReceiver" >
        <intent-filter>
            <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
        </intent-filter>
    </receiver>

    <!-- FIX 18:9 screen ratio -->
    <meta-data android:name="android.max_aspect" android:value="2.1" />
</application>

Usage

Please see example project

import React from "react"
import NetworkState, { Settings } from "react-native-network-state"
import { View, Text } from "react-native"

export default class YourView extends React.PureComponent {
  render() {
    return (
      <View style={{ flex: 1, justifyContent: "center", alignItems: "center" }}>
        <Text>This is Your View</Text>
        <NetworkState onDisconnected={() => Settings.openWifi()} />
      </View>
    )
  }
}

Props

type Props = {
  debound?: number,
  txtConnected?: string,
  txtDisconnected?: string,
  styleConnected?: Object | Number,
  styleDisconnected?: Object | Number,
  onConnected?: Function,
  onDisconnected?: Function,
  ...ViewProperties
}

Settings Utils (iOS bellow 10 can open Wifi setting, equal or greater than 10 will open general settings)

Functions iOS Android
openWifi [x] [x] 
//Example: Open wifi setting

import NetworkState, { Settings } from "react-native-network-state"

Settings.openWifi()

GitHub