[TIMOB-25215] DocumentViewer: Not working well only on iOS 8 devices

var win = Ti.UI.createWindow({
	backgroundColor : 'white',
	title : 'sample'
});
var lbl = Ti.UI.createLabel({
	text : 'click to view doc viewer'
});
lbl.addEventListener('click', function() {
	var docViewer = Ti.UI.iOS.createDocumentViewer();
	docViewer.url = 'test.pdf';
	docViewer.show();
	
});
win.add(lbl);
win.open();