package com.example.androidinterviewjxd.utils;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkCapabilities;
public class NetworkUtils {
/**
* 判断当前网络是否连接
* @param context
* @return
*/
public static boolean isNetworkConnected(Context context){
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
Network network = connectivityManager.getActiveNetwork();
NetworkCapabilities networkCapabilities = connectivityManager.getNetworkCapabilities(network);
return networkCapabilities!=null;
}
/**
* 判断当前的网络类型是wifi,流量还是有线网络
* @param context
* @return
*/
public static String getCurrentNetworkType(Context context){
ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
Network network = connectivityManager.getActiveNetwork();
NetworkCapabilities networkCapabilities = connectivityManager.getNetworkCapabilities(network);
if(networkCapabilities==null){
return "no network";
}else if(networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)){
return "Wifi";
}else if(networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)){
return "Mobile";
}
// else if(networkCapabilities.hasCapability(NetworkCapabilities.TRANSPORT_ETHERNET)){
// return "Ethernet";
// }
return "other";
}
}
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