手机更改域名解析

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkRequest;
import android.os.Build;
import android.util.Log;

public class DnsChanger {
    public static void changeDns(Context context, String dnsServer) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            NetworkRequest.Builder builder = new NetworkRequest.Builder();
            cm.registerNetworkCallback(builder.build(), new ConnectivityManager.NetworkCallback() {
                @Override
                public void onAvailable(Network network) {
                    super.onAvailable(network);
                    try {
                        NetworkCapabilities nc = cm.getNetworkCapabilities(network);
                        if (nc.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
                            // Change DNS settings for WiFi
                            // This is a simplified example, actual implementation may vary
                            Log.d("DnsChanger", "Changing DNS to: " + dnsServer);
                        }
                    } catch (Exception e) {
                        Log.e("DnsChanger", "Failed to change DNS", e);
                    }
                }
            });
        }
    }
}