android network is not working what i should do ???? this code

Question

package com.skewness.infor;
import android.app.Activity;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.UnknownHostException;
public class Main2Activity extends Activity {
TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate( savedInstanceState );
setContentView( R.layout.activity_main2 );
Intent intent = getIntent();
String message = intent.getStringExtra( "uri");
try {
InetAddress address = InetAddress.getByName(new URL(message).getHost());
String ip = address.getHostAddress().toString();
textView=(TextView)findViewById( R.id.textView4 );
textView.setText(ip);
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
}

Answer 1

Are you have specified permission in mainfest file?