Reimplement `getScheduledIds` and `isScheduled`

/**

 * Checks wether a notification with an ID is scheduled.

 *

 * @param id

 *      The ID of the notification

 * @param callback

 *      The callback function to be called with the result

 */

- (void) isScheduled:(CDVInvokedUrlCommand*)command

{

    [self.commandDelegate runInBackground:^{

        CDVPluginResult* result;

        NSArray* arguments = [command arguments];

        NSString* id       = [arguments objectAtIndex:0];

        NSString* key      = [kAPP_LOCALNOTIFICATION stringByAppendingString:id];

        NSData* data       = [[NSUserDefaults standardUserDefaults] objectForKey:key];

        bool isScheduled   = data != NULL;

        bool isScheduled   = NO;

        CDVPluginResult* result;

        NSArray* notifications = [[UIApplication sharedApplication]

                                  scheduledLocalNotifications];

        for (UILocalNotification* notification in notifications)

        {

            NSString* notId = [notification.userInfo objectForKey:@"id"];

            if ([notId isEqualToString:id]) {

                isScheduled = YES;

                break;

            }

        }

        result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK

                                     messageAsBool:isScheduled];

        [self.commandDelegate sendPluginResult:result callbackId:command.callbackId];

        [self.commandDelegate sendPluginResult:result

                                    callbackId:command.callbackId];

    }];

}

/**

 * Retrieves a list with all currently pending notifications.

 * Retrieves a list of ids from all currently pending notifications.

 *

 * @param callback

 *      The callback function to be called with the result

 */

- (void) getScheduledIds:(CDVInvokedUrlCommand*)command

{

    [self.commandDelegate runInBackground:^{

        NSArray* notifications = [[UIApplication sharedApplication]

                                  scheduledLocalNotifications];

        NSMutableArray* scheduledIds = [[NSMutableArray alloc] init];

        NSDictionary* entries        = [[NSUserDefaults standardUserDefaults] dictionaryRepresentation];

        CDVPluginResult* result;

        for (NSString* key in [entries allKeys])

        for (UILocalNotification* notification in notifications)

        {

            if ([key hasPrefix:kAPP_LOCALNOTIFICATION])

            {

                NSString* id = [key stringByReplacingOccurrencesOfString:kAPP_LOCALNOTIFICATION withString:@""];

            NSString* id = [notification.userInfo objectForKey:@"id"];

            [scheduledIds addObject:id];

        }

        }

        result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK

                                    messageAsArray:scheduledIds];

        [self.commandDelegate sendPluginResult:result callbackId:command.callbackId];

        [self.commandDelegate sendPluginResult:result

                                    callbackId:command.callbackId];

    }];

}