title: After type in EditText, how to make keyboard disappear
body: <p>From the android tutorial : </p>
  
  <pre><code>pass_text.setOnKeyListener(new OnKeyListener() {
      public boolean onKey(View v, int keyCode, KeyEvent event) {
          // If the event is a key-down event on the "enter" button
          if ((event.getAction() == KeyEvent.ACTION_DOWN)
                  &amp;&amp; (keyCode == KeyEvent.KEYCODE_ENTER)) {
              // Perform action on key press
              return true;
          }
          return false;
          }
      });
  }
  </code></pre>
  
  <p>when click at EditText, it has a keyboard appear on the frame. I want to know after Enter.
  How to make keyboard out from frame except click Back. </p>
  
  <p><img src="https://i.stack.imgur.com/VjgVx.png" alt="enter image description here"></p>
  
  <p>Thank you</p>