title: popup window outside click set to false [setOutsideTouchable(false)] does not work
body: <p>//create layoutinflator
          try {</p>
  
  <pre><code>        LayoutInflater inflator = LayoutInflater.from(this);
  </code></pre>
  
  <p>//create view</p>
  
  <pre><code>        final View menuview = inflater.inflate(R.layout.menu,
                  (ViewGroup) findViewById(R.layout.dictionarylist));
  
          Button Menu = (Button) findViewById(R.id.Menu);
  
          Menu.setOnClickListener(new Button.OnClickListener() {
              public void onClick(View v) {
  
                  final PopupWindow pw = new PopupWindow(menuview);//initialize popupwindow
  
                  pw.showAtLocation(v, Gravity.CENTER, 0, 0);
                  pw.update(0, 0, 200, 250);
                  pw.setOutsideTouchable(false);//set outside touch to false
  </code></pre>
  
  <p>//onclick listener for the button inside popupwindow</p>
  
  <pre><code>                Button b1 = (Button) menuview.findViewById(R.id.btnClose);
                  b1.setOnClickListener(new OnClickListener() {
  
                      // @Override
                      public void onClick(View v) {
                          pw.dismiss();
  
                      }
  
                  });
                  Button b2 = (Button) menuview.findViewById(R.id.btnQuiz);
                  b2.setOnClickListener(new OnClickListener() {
  
                      // @Override
                      public void onClick(View v) {
  
                      }
  
                  });
                  Button b3 = (Button) menuview.findViewById(R.id.btnTopic);
                  b3.setOnClickListener(new OnClickListener() {
  
                      // @Override
                      public void onClick(View v) {
  
                          InitialTask2 Task1 = new InitialTask2();
                          Task1.execute();
  
                      }
  
                  });
                  Button b4 = (Button) menuview
                          .findViewById(R.id.btnDictionarylist);
                  b4.setOnClickListener(new OnClickListener() {
  
                      // @Override
                      public void onClick(View v) {
  
                          try{
                          if(getApplication() != null){
                              pw.dismiss();
                          }
                          else{
                          Intent i = new Intent();
                          i.setClass(getBaseContext(), Dictionarylist.class);
                          startActivity(i);
                          }
                          }
                          catch(Exception x){
                              x.getMessage();
                          }
  
                      }
  
                  });
  
  
              }
  
          });
      } catch (Exception e) {
          e.getMessage();
      }
      }
  </code></pre>
  
  <p>popup window outside click does not work <code>pw.setOutsideTouchable(false);</code>. When clicking outside the popup window it perform action placed behind the popup window i.e parent window.
  <img src="https://i.stack.imgur.com/Pll03.png" alt="enter image description here"></p>