#import <UserNotifications/UserNotifications.h>#import "AppDelegate.h"@interface AppDelegate ()<UNUserNotificationCenterDelegate>@end@implementation AppDelegate- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {  // 使用 UNUserNotificationCenter 來管理通知  UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];  //監聽回調事件  center.delegate = self;    //iOS 10 使用以下方法注冊，才能得到授權  [center requestAuthorizationWithOptions:(UNAuthorizationOptionAlert + UNAuthorizationOptionSound)             completionHandler:^(BOOL granted, NSError * _Nullable error) {               // Enable or disable features based on authorization.             }];    //獲取當前的通知設置，UNNotificationSettings 是只讀對象，不能直接修改，只能通過以下方法獲取  [center getNotificationSettingsWithCompletionHandler:^(UNNotificationSettings * _Nonnull settings) {      }];  return YES;}#pragma mark - UNUserNotificationCenterDelegate//在展示通知前進行處理，即有機會在展示通知前再修改通知內容。-(void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions))completionHandler{  //1. 處理通知    //2. 處理完成后條用 completionHandler ，用于指示在前臺顯示通知的形式  completionHandler(UNNotificationPresentationOptionAlert);}@end

//使用 UNNotification 本地通知+(void)registerNotification:(NSInteger )alerTime{    // 使用 UNUserNotificationCenter 來管理通知  UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];    //需創建一個包含待通知內容的 UNMutableNotificationContent 對象，注意不是 UNNotificationContent ,此對象為不可變對象。  UNMutableNotificationContent* content = [[UNMutableNotificationContent alloc] init];  content.title = [NSString localizedUserNotificationStringForKey:@"Hello!" arguments:nil];  content.body = [NSString localizedUserNotificationStringForKey:@"Hello_message_body" arguments:nil];  content.sound = [UNNotificationSound defaultSound];    // 在 alertTime 后推送本地推送  UNTimeIntervalNotificationTrigger* trigger = [UNTimeIntervalNotificationTrigger triggerWithTimeInterval:alerTime repeats:NO];  UNNotificationRequest* request = [UNNotificationRequest requestWithIdentifier:@"FiveSecond" content:content trigger:trigger];    //添加推送成功后的處理！  [center addNotificationRequest:request withCompletionHandler:^(NSError * _Nullable error) {    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"本地通知" message:@"成功添加推送" preferredStyle:UIAlertControllerStyleAlert];    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];    [alert addAction:cancelAction];    [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:alert animated:YES completion:nil];  }];}

+ (void)registerLocalNotificationInOldWay:(NSInteger)alertTime {  // ios8后，需要添加這個注冊，才能得到授權  // if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {  // UIUserNotificationType type = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound;  // UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:type  // categories:nil];  // [[UIApplication sharedApplication] registerUserNotificationSettings:settings];  // // 通知重復提示的單位，可以是天、周、月  // }    UILocalNotification *notification = [[UILocalNotification alloc] init];  // 設置觸發通知的時間  NSDate *fireDate = [NSDate dateWithTimeIntervalSinceNow:alertTime];  NSLog(@"fireDate=%@",fireDate);    notification.fireDate = fireDate;  // 時區  notification.timeZone = [NSTimeZone defaultTimeZone];  // 設置重復的間隔  notification.repeatInterval = kCFCalendarUnitSecond;    // 通知內容  notification.alertBody = @"該起床了...";  notification.applicationIconBadgeNumber = 1;  // 通知被觸發時播放的聲音  notification.soundName = UILocalNotificationDefaultSoundName;  // 通知參數  NSDictionary *userDict = [NSDictionary dictionaryWithObject:@"開始學習iOS開發了" forKey:@"key"];  notification.userInfo = userDict;    // ios8后，需要添加這個注冊，才能得到授權  if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {    UIUserNotificationType type = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound;    UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:type                                         categories:nil];    [[UIApplication sharedApplication] registerUserNotificationSettings:settings];    // 通知重復提示的單位，可以是天、周、月    notification.repeatInterval = NSCalendarUnitDay;  } else {    // 通知重復提示的單位，可以是天、周、月    notification.repeatInterval = NSDayCalendarUnit;  }    // 執行通知注冊  [[UIApplication sharedApplication] scheduleLocalNotification:notification];}