安卓屏蔽域名

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 {

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

        // 监听网络变化
        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);
                NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(network);
                if (capabilities != null && capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
                    Log.d("Network", "WiFi is available");
                    // 在这里进行域名检测和屏蔽
                }
            }
        });
    }
}