Check device's network connectivity and speed for Xamarin.Android

Connectivity.cs

using System.Threading;
using Android.Content;
using Android.Net;
using Android.Telephony;
using Java.IO;
using Java.Net;

namespace YourNamespace {

	/**
	 * Check device's network connectivity and speed
	 * @author emil http://stackoverflow.com/users/220710/emil
	 *
	 */
	public static class Connectivity {

	    /**
	     * Get the network info
	     * @param context
	     * @return
	     */
	    public static NetworkInfo GetNetworkInfo(Context context){
		ConnectivityManager cm = (ConnectivityManager) context.GetSystemService(Context.ConnectivityService);
		return cm.ActiveNetworkInfo;
	    }

	    /**
	     * Check if there is any connectivity
	     * @param context
	     * @return
	     */
	    public static bool IsConnected(Context context){
	        NetworkInfo info = Connectivity.GetNetworkInfo(context);
		return (info != null && info.IsConnected);
	    }

	    /**
	     * Check if there is any connectivity to a Wifi network
	     * @param context
	     // @param type
	     * @return
	     */
	    public static bool IsConnectedWifi(Context context){
	        NetworkInfo info = Connectivity.GetNetworkInfo(context);
		return (info != null && info.IsConnected && info.Type == ConnectivityType.Wifi);
	    }

	    /**
	     * Check if there is any connectivity to a mobile network
	     * @param context
	     // @param type
	     * @return
	     */
	    public static bool IsConnectedMobile(Context context){
	        NetworkInfo info = Connectivity.GetNetworkInfo(context);
		return (info != null && info.IsConnected && info.Type == ConnectivityType.Mobile);
	    }

	    /**
	     * Check if there is fast connectivity
	     * @param context
	     * @return
	     */
	    public static bool IsConnectedFast(Context context){
	        NetworkInfo info = Connectivity.GetNetworkInfo(context);
		TelephonyManager tm = TelephonyManager.FromContext (context);
		return (info != null && info.IsConnected && Connectivity.IsConnectionFast(info.Type, tm.NetworkType));
	    }

	    /**
	     * Check if the connection is fast
	     * @param type
	     * @param subType
	     * @return
	     */
		public static bool IsConnectionFast(ConnectivityType type, NetworkType subType){
		if( type == ConnectivityType.Wifi){
	            return true;
		} else if(type == ConnectivityType.Mobile){
	            switch(subType){
	                //case TelephonyManager.NETWORK_TYPE_1xRTT:
		        case NetworkType.OneXrtt:
	                    return false; // ~ 50-100 kbps
	                //case TelephonyManager.NETWORK_TYPE_CDMA:
		        case NetworkType.Cdma:
	                    return false; // ~ 14-64 kbps
	                //case TelephonyManager.NETWORK_TYPE_EDGE:
			case NetworkType.Edge:
	                    return false; // ~ 50-100 kbps
	                //case TelephonyManager.NETWORK_TYPE_EVDO_0:
			case NetworkType.Evdo0:
	                    return true; // ~ 400-1000 kbps
	                //case TelephonyManager.NETWORK_TYPE_EVDO_A:
			case NetworkType.EvdoA:
	                    return true; // ~ 600-1400 kbps
	                //case TelephonyManager.NETWORK_TYPE_GPRS:
			case NetworkType.Gprs:
	                    return false; // ~ 100 kbps
	                //case TelephonyManager.NETWORK_TYPE_HSDPA:
			case NetworkType.Hsdpa:
	                    return true; // ~ 2-14 Mbps
	                //case TelephonyManager.NETWORK_TYPE_HSPA:
			case NetworkType.Hspa:
	                    return true; // ~ 700-1700 kbps
	                //case TelephonyManager.NETWORK_TYPE_HSUPA:
			case NetworkType.Hsupa:
	                    return true; // ~ 1-23 Mbps
	                //case TelephonyManager.NETWORK_TYPE_UMTS:
			case NetworkType.Umts:
	                    return true; // ~ 400-7000 kbps
	                /*
	                 * Above API level 7, make sure to set android:targetSdkVersion
	                 * to appropriate level to use these
	                 */
	                //case TelephonyManager.NETWORK_TYPE_EHRPD: // API level 11
			case NetworkType.Ehrpd:
	                    return true; // ~ 1-2 Mbps
	                //case TelephonyManager.NETWORK_TYPE_EVDO_B: // API level 9
			case NetworkType.EvdoB:
	                    return true; // ~ 5 Mbps
	                //case TelephonyManager.NETWORK_TYPE_HSPAP: // API level 13
			case NetworkType.Hspap:
	                    return true; // ~ 10-20 Mbps
	                //case TelephonyManager.NETWORK_TYPE_IDEN: // API level 8
		        case NetworkType.Iden:
	                    return false; // ~25 kbps
	                //case TelephonyManager.NETWORK_TYPE_LTE: // API level 11
			case NetworkType.Lte:
	                    return true; // ~ 10+ Mbps
	                // Unknown
	                //case TelephonyManager.NETWORK_TYPE_UNKNOWN:
			case NetworkType.Unknown:
	                    return false;
	                default:
	                    return false;
	            }
	        }else{
	            return false;
	        }
	    }
	    
	    public static bool IsHostReachable(string host)
		{
			if (string.IsNullOrEmpty(host))
				return false;

			bool isReachable = true;

			Thread thread = new Thread(() =>
				{
					try {
						//isReachable = InetAddress.GetByName(host).IsReachable(2000);

					    /* 
					     * It's important to note that isReachable tries ICMP ping and then TCP echo (port 7).
					     * These are often closed down on HTTP servers.
					     * So a perfectly good working API with a web server on port 80 will be reported as unreachable
					     * if ICMP and TCP port 7 are filtered out!
					     */

						//if (!isReachable){
					            URL url = new URL("http://" + host);

					            URLConnection connection = url.OpenConnection();

					            //if(connection.ContentLength != -1){
						        //isReachable = true;
						    if(connection.ContentLength == -1){
							    isReachable = false;
							}
						//}

					} catch (UnknownHostException e) {
						isReachable = false;
					} catch (IOException e) {
						isReachable = false;
					}

				});
			thread.Start();
			
			return isReachable;
		}
	}
}

Can I add your gist in my repo, Best Xamarin gists? if so please open an issue, thanks.

hi !
did you have any solution for IOS ?

hi !
did you have any solution for IOS ?

+1

https://docs.microsoft.com/en-us/xamarin/essentials/connectivity?tabs=ios

https://docs.microsoft.com/en-us/xamarin/essentials/connectivity?tabs=ios

I need to measure latency with xamarin.essential is not possible