title: required android.support.v4.app.fragment
body: <p>i hope you can help me with this. i am new into android</p>
  
  <p>i am trying to solve this problem but i couldnt</p>
  
  <p>the problem when i declared this method        </p>
  
  <pre><code>public void onNavigationDrawerItemSelected(int position) {
  
      // slide menue declaration
     Fragment fragment = null;
      switch (position) {
          case 0:
              fragment = new menu1_Fragment();
              break;
          case 1:
              fragment = new menu2_Fragment();
              break;
          case 2:
              fragment = new menu3_Fragment();
              break;
  
          default:
              break;
      }
  </code></pre>
  
  <p>it give me an error saying required android.support.v4.app.fragment</p>