text: /**
   * Appcelerator Titanium Mobile
   * Copyright (c) 2009-2014 by Appcelerator, Inc. All Rights Reserved.
   * Licensed under the terms of the Apache Public License
   * Please see the LICENSE included with this distribution for details.
   * 
   */
  
  // WARNING!
  //
  // THIS MODULE WILL ONLY RUN ON AN IOS 8 DEVICE
  // 
  
  var TiTouchId = require('ti.touchid');
  
  var win = Ti.UI.createWindow();
  
  var btn = Ti.UI.createButton({
  	title: 'authenticate'
  });
  
  win.add(btn);
  win.open();
  
  btn.addEventListener('click', function(){
  
  	TiTouchId.authenticate({
  		reason: 'We need your fingerprint to continue.',
  		callback: function(e) {
  			if (!e.success) {
  				alert('Message: ' + e.error + '\nCode: ' + e.code);
  				switch(e.code) {
  					case TiTouchId.ERROR_AUTHENTICATION_FAILED: Ti.API.info('Error code is TiTouchId.ERROR_AUTHENTICATION_FAILED'); break;
  					case TiTouchId.ERROR_USER_CANCEL: Ti.API.info('Error code is TiTouchId.ERROR_USER_CANCEL'); break;
  					case TiTouchId.ERROR_USER_FALLBACK: Ti.API.info('Error code is TiTouchId.ERROR_USER_FALLBACK'); break;
  					case TiTouchId.ERROR_SYSTEM_CANCEL: Ti.API.info('Error code is TiTouchId.ERROR_SYSTEM_CANCEL'); break;
  					case TiTouchId.ERROR_PASSCODE_NOT_SET: Ti.API.info('Error code is TiTouchId.ERROR_PASSCODE_NOT_SET'); break;
  					case TiTouchId.ERROR_TOUCH_ID_NOT_AVAILABLE: Ti.API.info('Error code is TiTouchId.ERROR_TOUCH_ID_NOT_AVAILABLE'); break;
  					case TiTouchId.ERROR_TOUCH_ID_NOT_ENROLLED: Ti.API.info('Error code is TiTouchId.ERROR_TOUCH_ID_NOT_ENROLLED'); break;
  					default: Ti.API.info('Error code is unknown'); break;
  				}  
  			} else {
  			  	// do something useful
  				alert('YAY! success');
  			}
  		}
  	});
  
  });
  