Implementation file NotificationController.m for the watchOS SDK tutorial.

watchOS-tutorial-NotificationController.m

//
//  NotificationController.m
//  StockWatch Extension
//

#import <UserNotifications/UserNotifications.h>
#import "NotificationController.h"


@interface NotificationController ()
@end


@implementation NotificationController

- (instancetype) init {
    if ((self = [super init])) {
        
        // Nothing to do
    }
    
    return self;
}

- (void) willActivate {
    [super willActivate];
}

- (void) didDeactivate {
    [super didDeactivate];
}

- (void) didReceiveNotification:(UNNotification *)notification withCompletion:(void(^)(WKUserNotificationInterfaceType interface)) completionHandler {
    
    // Retrieve the item's data
    NSDictionary *item= notification.request.content.userInfo;
    if (item) {
        
        // Update the labels
        self.nameLabel.text= [item objectForKey:@"stock_name"];
        self.priceLabel.text= [item objectForKey:@"last_price"];
        
        // Call the completion handler for custom (dynamic) notification
        completionHandler(WKUserNotificationInterfaceTypeCustom);
        
    } else {
        
        // Call the completion handler for default (static) notification
        completionHandler(WKUserNotificationInterfaceTypeDefault);
    }
}

@end