title: OnBack Press Fragment showing blank Screen
body: <p>I am using Fragments in my Application.So on the home page i have a grid view of 5 item on selection of which again i am opening a new fragment .</p>
  
  <p>So what is happening is on back press it is showing a blank screen after that it is closing the application .</p>
  
  <p>Please suggest me what i have done wrong in this.</p>
  
  <p><strong>MyCode</strong></p>
  
  <pre><code>gridView.setOnItemClickListener(new OnItemClickListener() {
              @Override
              public void onItemClick(AdapterView&lt;?&gt; arg0, View v, int arg2,
                      long arg3) {
                  if (DASHBOARD_LINKS[arg2].equals("A")) {
                      fragTran.replace(R.id.content_frame,
                                  firstFrag);
                          fragTran.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
                          fragTran.addToBackStack(null);
                          fragTran.commit();
  
                  }
                  if (DASHBOARD_LINKS[arg2].equals("B")) {
                      fragTran.replace(R.id.content_frame, secondFrag);
                      fragTran.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
                      fragTran.addToBackStack(null);
                      fragTran.commit();
                  }
                  if (DASHBOARD_LINKS[arg2].equals("C")) {
                      fragTran.replace(R.id.content_frame, thirdFarg);
                      fragTran.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN);
                      fragTran.addToBackStack(null);
                      fragTran.commit();
                  }
              }
          });
  </code></pre>
  
  <p>Please help my this is happening </p>