Button click event in SAP Fiori

Hi Guys,

I have tried a simple Fiori Application with button event.

My view.xml code is

<Button   

     id="buttonField"

     tooltip="{i18n>worklistButtonTooltip}"

     text="Click"

     search="onButton"

     width="auto">

      </Button>

My controller.js code is

onButton : function (){

                this.print("Hi");

            },

On clicking the button I want to display a text. i am new to Fiori development so please help me.

Thanks,

Srinivasan