How to bring content from internet to your App

Download content from web.java

public class DownloadTask extends AsyncTask<String, Void, String>{
  @Override
  protected String doInBackground(String... urls){
   String result = ""; // send Link to Method
   URL url;           // initialize URL variable
   HttpURLConnection urlConnection = null;  // initialize HttpURLConnection which later will be responsible for establishing Conn.
   try{
     url = new URL(urls[0]); //calling (urls member) number 0 from the (String...)
     urlConnection = (HttpURLConnection).openConnection(); // initialize the connection to the URL
     InputStream in = urlConnection.getInputStream(); // connecting the HTML page to the input stream
     InputStreamReader reader = new InputStreamReader(in); //Trying to read data from the input stream
     int data = reader.read(); //Directing the read data to the variable (data)
     
     while(data != -1){
       char current = (char) data; //re-converting the integer stored into (data) into character by casting it
       result+ = current; // add the the current char to the total result string
       data = reader.read(); //continue reading till data = -1 then out the result as the HTML ends
     }
     return result; 
   }
     catch (Exception e){
     e.printStackTrace();
   }
    catch (ExecutionException e){
     e.printStackTrace();
    }
  }
}

///@onCreate Method

DownloadTask task = new DownloadTask();
String result = null;
// Try/catch must be surrounded with, to handle any possible error
try { 
result = task.excute("http://XYZ.com").get();

}
catch (InterruptedException e){
  e.printStackTrace();
}
catch(ExcutionException e){
  e.printStackTrace();
}

Manifest.xml

//instert the following permission line below the package name line

<uses-permission android:name="android.permission.INTERNET"></uses-permission>