android添加域名解析

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkRequest;
import android.os.Bundle;
import android.util.Log;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {
    private static final String TAG = "DNSConfig";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 配置DNS服务器地址
        configureDns("8.8.8.8", "8.8.4.4");

        // 监听网络变化
        registerNetworkCallback();
    }

    private void configureDns(String primaryDns, String secondaryDns) {
        try {
            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkRequest.Builder builder = new NetworkRequest.Builder();
            connectivityManager.registerNetworkCallback(builder.build(), new ConnectivityManager.NetworkCallback() {
                @Override
                public void onAvailable(Network network) {
                    super.onAvailable(network);
                    Log.d(TAG, "Network available");
                    // 在这里可以进行DNS配置
                }
            });
        } catch (Exception e) {
            Log.e(TAG, "Failed to configure DNS", e);
        }
    }

    private void registerNetworkCallback() {
        ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkRequest.Builder builder = new NetworkRequest.Builder();
        connectivityManager.registerNetworkCallback(builder.build(), new ConnectivityManager.NetworkCallback() {
            @Override
            public void onAvailable(Network network) {
                super.onAvailable(network);
                Log.d(TAG, "Network available");
            }

            @Override
            public void onLost(Network network) {
                super.onLost(network);
                Log.d(TAG, "Network lost");
            }
        });
    }
}