title: NetworkOnMainThreadException using Jsoup
body: <p>I am on Android,using <code>Jsoup</code> library. </p>
  
  <p>On running the <code>MainActvity</code> class having code below:</p>
  
  <pre><code>import android.os.Bundle;
  import android.support.design.widget.FloatingActionButton;
  import android.support.design.widget.Snackbar;
  import android.support.v7.app.AppCompatActivity;
  import android.support.v7.widget.Toolbar;
  import android.view.View;
  import android.view.Menu;
  import android.view.MenuItem;
  import java.io.IOException;
  import org.jsoup.Jsoup;
  import org.jsoup.nodes.Document;
  import org.jsoup.select.Elements;
  
  public class FineMain extends AppCompatActivity {
  
      entryPoint entryPointObj = new entryPoint();
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_fine_main);
          Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
          setSupportActionBar(toolbar);
          test();
      }
      public void test(){
          Document doc;
          String url = "http://tribune.com.pk/story/1136693/srk-shares-felt-daughter-suhanas-swimsuit-picture-going-viral/";
          try {
              doc = Jsoup.connect(url).timeout(20 * 1000).userAgent("Chrome").get();
              System.out.println(doc.text());
              Elements links = doc.select("h1");
              System.out.println(links.text());
          } catch (IOException e) {
              e.printStackTrace();
          }
      }
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.menu_fine_main, menu);
  //        entryPointObj.ret();
  
          return true;
      }
  
      @Override
      public boolean onOptionsItemSelected(MenuItem item) {
          // Handle action bar item clicks here. The action bar will
          // automatically handle clicks on the Home/Up button, so long
          // as you specify a parent activity in AndroidManifest.xml.
          int id = item.getItemId();
  
          //noinspection SimplifiableIfStatement
          if (id == R.id.action_settings) {
              return true;
          }
  
          return super.onOptionsItemSelected(item);
      }
  }
  </code></pre>
  
  <p>It is giving this error. I just add a function of of <code>Jsoup</code>. But, the function added in the <code>MainActivity</code> class is working efficiently in <code>Eclipse</code> IDE.</p>
  
  <pre><code>08-11 07:25:25.132 10704-10704/? E/AndroidRuntime: FATAL EXCEPTION: main
                                                     Process: com.example.awais.fine, PID: 10704
                                                     java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.awais.fine/com.example.awais.fine.FineMain}: android.os.NetworkOnMainThreadException
                                                         at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2195)
                                                         at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245)
                                                         at android.app.ActivityThread.access$800(ActivityThread.java:135)
                                                         at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
                                                         at android.os.Handler.dispatchMessage(Handler.java:102)
                                                         at android.os.Looper.loop(Looper.java:136)
                                                         at android.app.ActivityThread.main(ActivityThread.java:5021)
                                                         at java.lang.reflect.Method.invokeNative(Native Method)
                                                         at java.lang.reflect.Method.invoke(Method.java:515)
                                                         at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:827)
                                                         at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:643)
                                                         at dalvik.system.NativeStart.main(Native Method)
                                                      Caused by: android.os.NetworkOnMainThreadException
                                                         at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1145)
                                                         at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
                                                         at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
                                                         at java.net.InetAddress.getAllByName(InetAddress.java:214)
                                                         at com.android.okhttp.internal.Dns$1.getAllByName(Dns.java:28)
                                                         at com.android.okhttp.internal.http.RouteSelector.resetNextInetSocketAddress(RouteSelector.java:216)
                                                         at com.android.okhttp.internal.http.RouteSelector.next(RouteSelector.java:122)
                                                         at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:292)
                                                         at com.android.okhttp.internal.http.HttpEngine.sendSocketRequest(HttpEngine.java:255)
                                                         at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:206)
                                                         at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:345)
                                                         at com.android.okhttp.internal.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:89)
                                                         at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:563)
                                                         at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:540)
                                                         at org.jsoup.helper.HttpConnection.execute(HttpConnection.java:227)
                                                         at org.jsoup.helper.HttpConnection.get(HttpConnection.java:216)
                                                         at com.example.awais.fine.FineMain.test(FineMain.java:31)
                                                         at com.example.awais.fine.FineMain.onCreate(FineMain.java:25)
                                                         at android.app.Activity.performCreate(Activity.java:5318)
                                                         at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1090)
                                                         at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2159)
                                                         at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2245) 
                                                         at android.app.ActivityThread.access$800(ActivityThread.java:135) 
                                                         at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196) 
                                                         at android.os.Handler.dispatchMessage(Handler.java:102) 
                                                         at android.os.Looper.loop(Looper.java:136) 
                                                         at android.app.ActivityThread.main(ActivityThread.java:5021) 
                                                         at java.lang.reflect.Method.invokeNative(Native Method) 
                                                         at java.lang.reflect.Method.invoke(Method.java:515) 
                                                         at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:827) 
                                                         at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:643) 
                                                         at dalvik.system.NativeStart.main(Native Method) 
  </code></pre>
  
  <p>Any guidelines?</p>