window.onload = function () {
	tizen.systeminfo.addPropertyValueChangeListener('DEVICE_ORIENTATION', function (device) {
	    switch(device.status){
		    case "PORTRAIT_PRIMARY" : 
		    	// TODO : PORTRAIT_PRIMARY 
		    	console.log("PORTRAIT_PRIMARY");
		    	break;
		    	
		    case "LANDSCAPE_PRIMARY" : 
		    	// TODO : LANDSCAPE_PRIMARY 
		    	console.log("LANDSCAPE_PRIMARY");
		    	break;
		    	
		    case "PORTRAIT_SECONDARY" : 
		    	// TODO : PORTRAIT_SECONDARY 
		    	console.log("PORTRAIT_SECONDARY");
		    	break;
		    	
		    case "LANDSCAPE_SECONDARY" : 
		    	// TODO : LANDSCAPE_SECONDARY 
		    	console.log("LANDSCAPE_SECONDARY");
		    	break;
	    }
	});
};



// If you want to use the FlexibleLayout, you need to use the media query in the css files.
/***************************************
*               CSS File
***************************************/
@media all and (orientation: portrait) {
    div {
        background-color: red;
    }
}