title: RxBindings For Spinner?
body: <p>i am new android and rxjava. i have been through many examples where we listen for events with rxbindings. such as this</p>
  
  <pre><code> RxView.clicks(b).subscribe(new Action1&lt;Void&gt;() {
                      @Override
                      public void call(Void aVoid) {
                          // do some work here
                      }
                  });
  </code></pre>
  
  <p>or</p>
  
  <pre><code>RxTextView.textChanges(name)
              .subscribe(new Action1&lt;String&gt;() {
                  @Override
                  public void call(String value) {
                      // do some work with the updated text
                  }
              });
  </code></pre>
  
  <p>now i am trying to do the same for android spinner. i want to listen for itemselected event. can anyone help?</p>