iOS SDK integration

import UIKit
import CloudPushSDK
import UserNotifications

@main
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate {

    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Initialize the SDK
        // ......
        
        // Set the notification center delegate
        UNUserNotificationCenter.current().delegate = self
        
        return true
    }
    
    // MARK: - UNUserNotificationCenterDelegate
    
    func userNotificationCenter(_ center: UNUserNotificationCenter, 
                              willPresent notification: UNNotification,
                              withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
        print("Received foreground notification callback")
        handleUserInfo(userInfo: notification.request.content.userInfo)
        
        // Set notification presentation options
        completionHandler([.alert, .sound])
    }
    
    func userNotificationCenter(_ center: UNUserNotificationCenter,
                              didReceive response: UNNotificationResponse,
                              withCompletionHandler completionHandler: @escaping () -> Void) {
        print("Received notification tap callback")
        handleUserInfo(userInfo: response.notification.request.content.userInfo)
        completionHandler()
    }
    
    func application(_ application: UIApplication,
                   didReceiveRemoteNotification userInfo: [AnyHashable : Any],
                   fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {
        print("Received silent notification callback")
        handleUserInfo(userInfo: userInfo)
        completionHandler(.newData)
    }
    
    func handleUserInfo(userInfo: [AnyHashable : Any]) {
        // Get custom key-value pairs from the notification payload. For example:
        // let customValue = userInfo["customKey"] as? String
        
        guard let aps = userInfo["aps"] as? [String: Any],
              let alert = aps["alert"] as? [String: String],
              let title = alert["title"],
              let body = alert["body"] else {
            return
        }
        
        print("Notification content: title=\(title), body=\(body)")
        
        // Report notification tap
        CloudPushSDK.sendNotificationAck(userInfo)
    }
    
    // ......
}

#import "AppDelegate.h"
#import "CloudPushSDK/CloudPushSDK.h"
#import <UserNotifications/UserNotifications.h>

@interface AppDelegate () <UNUserNotificationCenterDelegate>
@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Initialize the SDK
    // ......
    
    // Set the notification center delegate
    [UNUserNotificationCenter currentNotificationCenter].delegate = self;
    
    return YES;
}

#pragma mark - Receive Notifications
- (void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions))completionHandler {
    NSLog(@"Received foreground notification callback");
    [self handleUserInfo:notification.request.content.userInfo];

    // Decide whether to display the notification.
    completionHandler(UNNotificationPresentationOptionAlert | UNNotificationPresentationOptionSound);
}

- (void)userNotificationCenter:(UNUserNotificationCenter *)center didReceiveNotificationResponse:(UNNotificationResponse *)response withCompletionHandler:(void (^)(void))completionHandler {
    NSLog(@"Received notification tap callback");
    [self handleUserInfo:response.notification.request.content.userInfo];
    completionHandler();
}

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {
    NSLog(@"Received silent notification callback");
    [self handleUserInfo:userInfo];
    completionHandler(UIBackgroundFetchResultNewData);
}

- (void)handleUserInfo:(NSDictionary *)userInfo {
    // Get custom key-value pairs from the notification payload. For example:
    // NSString *customValue = userInfo[@"customKey"];
    
    NSString *title = userInfo[@"aps"][@"alert"][@"title"];
    NSString *body = userInfo[@"aps"][@"alert"][@"body"];
    NSLog(@"Notification content: title=%@, body=%@", title, body);
    
    // Report notification tap
    [CloudPushSDK sendNotificationAck:userInfo];
}

// ......
@end