title: How add a DialogFragment in a normal Fragment?
body: <p>This source showed <code>DialogFragment</code> created new <code>Fragment</code> and blocked all screen (<code>FragmentActivity</code>). I need to add a <code>Dialog</code>  in the  <code>Fragment</code> so that when I can scroll the screen and the <code>DialogFragment</code> will not interfere. Current code:</p>
  
  <pre><code>FragmentManager fm = fa.getSupportFragmentManager();
          FragmentTransaction ft = fm.beginTransaction();
              // create dlg fragment
              DialogFragment fragment = new DialogFragment();
              // show the dialog.
              fragment.show(fm, "android:switcher:888889:1"); // "android:switcher:888889:1" - existing fragment!
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/t4Pqo.png" alt="enter image description here"></p>