index.js

var thisWin=$.index;
var main=$.firstview;

// store drawermenu and main in global variable for easy access from menu
Alloy.CFG.drawermenu=$.drawermenu;
Alloy.CFG.main=main;
Alloy.CFG.contactus = $.secondview;
Alloy.CFG.thisWin = thisWin;

var menu=Alloy.createController('menu').getView();

$.drawermenu.init({
    menuview:menu,
    mainview:main,
    duration:200,
    parent: thisWin
});

thisWin.addEventListener('open',function(e){
	var actionBarHelper = require('com.alcoapps.actionbarhelper')(thisWin);	
	actionBarHelper.setIcon('/drawericonw@2x.png');
	actionBarHelper.setTitle('Demo');
	actionBarHelper.setUpAction(function(e){
		$.drawermenu.showhidemenu();
	});
	actionBarHelper.displayHomeAsUp(false);
});
thisWin.open();

index.xml

<Alloy>
	<Window class="container">
		<Require type="widget" src="com.alcoapps.drawermenu" id="drawermenu"/>
		<!--Home screen-->
		<View id = "firstview" title="" fullscreen="false" backgroundImage="/images/background_home_3.png"  backgroundRepeat="false" visible="true">
			<Label id="welcomeLabel" text="Welcome"/>
			<Label id="promotionsLabel" text="LATEST OFFERS"/>
			<ScrollableView id="scrollableView" ></ScrollableView>
		</View>
		
		<!--Contact us screen-->
		<View id="secondview" title="" backgroundImage="/images/InternalScreen.png" backgroundRepeat="false" visible="false">
			
    			<Label id="LblLocal" text = "contact us"/>
			<Button id="buttonbrach" />
			<Button id="buttonFeedback"/>     				
			<Button id="buttonAbout"/> 
     		</View> 
	</Window>
</Alloy>

menu.js

var args = arguments[0] || {};

function menuclick(e){
	var rowId=e.rowData.rowId;
	
	switch (rowId){
		case "1":
			Alloy.CFG.main.visible = true;
			Alloy.CFG.contactus.visible = false;
			break;
		case "2":
			//Alloy.CFG.main.backgroundColor="#3C3F93";
			Alloy.CFG.main.visible = false;
			Alloy.CFG.contactus.visible = true;
			
			break;
	}
	
	Alloy.CFG.drawermenu.showhidemenu();
}