[TIMOB-17640] iOS8: Add isRegisteredForRemoteNotifications to determine whether the app is currently registered for remote notifications.

   
   var rows = [
   	{
   		title: 'remoteNotificationsEnabled',
   		onClick: function(){
   			logInApp("remoteNotificationsEnabled: " + Ti.Network.remoteNotificationsEnabled);
   		}
   	},
   	{
   		title: 'remoteNotificationTypes',
   		onClick: function(){
   			logInApp('remoteNotificationTypes: ' + JSON.stringify(Ti.Network.remoteNotificationTypes));
   		}
   	},
   	{
   		title: 'currentUserNotificationSettings',
   		onClick: function(){
   			// iOS 8 +
   			var settings =  Ti.App.iOS.currentUserNotificationSettings;
   			logUserNotificationSettings(settings);
   		}
   	},
   	{
   		title: 'registerUserNotificationSettings',
   		onClick: function(){
   			// iOS 8 +
   			// The following action launches the application in the foreground and requires the device to be unlocked
   			var acceptAction = Ti.App.iOS.createUserNotificationAction({
   			    identifier: "ACCEPT_IDENTIFIER",
   			    title: "Accept",
   			    activationMode: Ti.App.iOS.USER_NOTIFICATION_ACTIVATION_MODE_FOREGROUND,
   			    destructive: false,
   			    authenticationRequired: true
   			});
   
   			var foregroundCategory = Ti.App.iOS.createUserNotificationCategory({
   				identifier: "FOREGROUND_CATEGORY",
   			    // The following actions will be displayed for an alert dialog
   				actionsForDefaultContext: [acceptAction],
   			    // The following actions will be displayed for all other notifications
   				actionsForMinimalContext: [acceptAction]
   			});
   
   			Ti.App.iOS.registerUserNotificationSettings({
   	    		types: [Ti.App.iOS.USER_NOTIFICATION_TYPE_ALERT,
   	    				// Ti.App.iOS.USER_NOTIFICATION_TYPE_SOUND,
   	    				Ti.App.iOS.USER_NOTIFICATION_TYPE_BADGE],
   	    		categories: [foregroundCategory]
   			});
   		}
   	},
   	{
   		title: 'registerForPushNotifications',
   		onClick: function(){
   			Ti.Network.registerForPushNotifications({
   				success: function(e) {logInApp('success');},
   				error: function(e) {logInApp('error');},
   				callback: function(e) {logInApp('callback');}
   			});
   		}
   	},
   	{
   		title: 'unregisterForPushNotifications',
   		onClick: function(){
   			Ti.Network.unregisterForPushNotifications();
   		}
   	},
   	{
   		title: 'scheduleLocalNotification',
   		onClick: function(){
   			Ti.App.iOS.scheduleLocalNotification({
   			    date: new Date(new Date().getTime() + 3000),
   			    alertBody: "New content available! Download now?",
   			    badge: 1,
   			    userInfo: {"url": "http://www.download.com/resource/asset.json"},
   			    category: "FOREGROUND_CATEGORY"
   			});
   		}
   	}
   ];
   
   function logInApp(text) {
   	textLog.value = textLog.value + '\n' + text;
   }
   
   function logUserNotificationSettings(settings) {
   	logInApp('UserNotificationSettings: ');
   	logInApp('types: ' + JSON.stringify(settings.types));
   	var categories = [];
   	for (var i = 0, j = settings.categories.length; i < j; i++) {
   		categories.push(settings.categories[i].identifier);
   	}
   	logInApp('categories: ' + JSON.stringify(categories));
   }
   
   Ti.App.iOS.addEventListener('usernotificationsettings', function(e) {
   	logInApp('Event: usernotificationsettings');
   	logUserNotificationSettings(e);
   });
   
   ////////////////////////////////////////////////////////
   // UI
   ////////////////////////////////////////////////////////
   var win = Ti.UI.createWindow({
   	backgroundColor: 'white'
   });
   win.open();
   
   var textLog = Ti.UI.createTextArea({
   	top: 0,
   	height: '20%',
   	width: '100%',
   	borderWidth: '2',
   	borderColor: '#000',
   	value: 'AppLog: see device log for more info'
   });
   win.add(textLog);
   
   var tableView = Ti.UI.createTableView({
   	top: '20%',
   	data: rows
   });
   tableView.addEventListener('click', function(e){
   	e.source.onClick && e.source.onClick();
   });
   win.add(tableView);