📅  最后修改于: 2023-12-03 14:59:07.854000             🧑  作者: Mango
The @react-native-community/netinfo
module provides information about the device's internet connectivity status. This module is particularly useful for React Native developers who need to ensure that their apps function correctly in offline environments.
Before you can use @react-native-community/netinfo
, you'll need to have the following tools installed:
If you don't have these tools installed, you can download them from the official websites:
You can install @react-native-community/netinfo
using the following command:
yarn add @react-native-community/netinfo
This will install the module and its dependencies.
Here's an example of how to use @react-native-community/netinfo
to determine the device's internet connectivity status:
import { NetInfo } from '@react-native-community/netinfo';
NetInfo.addEventListener(state => {
console.log('Connection type:', state.type);
console.log('Is connected?', state.isConnected);
});
This code will add a listener to the NetInfo
module that will print the device's connection type (e.g. "wifi", "cellular", etc.) and whether or not the device is currently connected to the internet.
In conclusion, @react-native-community/netinfo
is a useful module for React Native developers who need to ensure that their apps function correctly in offline environments. By using this module, you can determine the device's internet connectivity status and adjust your app's behavior accordingly.