How to Check and Monitor Internet Connection in Android Using Kotlin

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Summary: Learn how to check and monitor internet connection programmatically in Android using Kotlin. Ensure your app handles connectivity changes seamlessly.
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How to Check and Monitor Internet Connection in Android Using Kotlin

In today's mobile applications, ensuring a reliable internet connection is critical. Applications need to behave sensibly in both online and offline modes, providing feedback to users and adapting functionalities accordingly. In this guide, we'll explore how to check and monitor internet connection programmatically in Android using Kotlin.

Checking Internet Connection Programmatically

To check if the device is connected to the internet, you can use the ConnectivityManager class in Android. Here's how you can achieve this in Kotlin:

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This function checks if there's an active network connection and whether it uses WiFi, Cellular, or Ethernet transport.

Monitoring Internet Connection

Monitoring changes in internet connectivity is crucial for handling dynamic network states. Android provides the ConnectivityManager.NetworkCallback class, which you can use to listen for network state changes.

Here's how you can implement it in Kotlin:

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In the NetworkMonitor class, startMonitoring will start listening for network changes, and stopMonitoring will stop the monitoring. You can place appropriate code in the onAvailable and onLost callbacks to handle network changes in your app.

Conclusion

Handling network connectivity is vital for providing a seamless user experience in mobile applications. By using Kotlin and Android's ConnectivityManager, you can effectively check and monitor internet connection status, allowing your app to adapt to different network states gracefully.

Whether it's for simple network checks or complex monitoring, these techniques will help you manage connectivity and improve the robustness of your app.