currentState="textInput"to the viewer:BaseWidget element.
selectedIndex="1"to the mx:ViewStack
<viewer:BaseWidget xmlns:esri ="http://www.esri.com/2008/ags" xmlns:fx ="http://ns.adobe.com/mxml/2009" xmlns:s ="library://ns.adobe.com/flex/spark" xmlns:mx ="library://ns.adobe.com/flex/mx" xmlns:mxeffects ="com.adobe.ac.mxeffects.*" xmlns:viewer ="com.esri.viewer.*" xmlns:Search ="widgets.eSearch.*" x="600" y="300" currentState="textInput" widgetConfigLoaded="init()">
selectedIndex="1"
<mx:ViewStack id="viewStack" width="100%" height="100%" creationPolicy="all" paddingTop="4" selectedIndex="1">
selectedIndex="20" to selectedIndex="0"