本地通知
本地通知使用注意:用户使用当前app的时候时接收不到这个app的通知的,app必须在后台或者结束才能发送通知
下面是一个简单的本地通知例子
- (void)viewDidLoad { [super viewDidLoad]; [self localNotify]; //把应用右上角提醒数字设置为0 [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0]; } - (void)localNotify { //1.创建通知对象 UILocalNotification *localNotify = [[UILocalNotification alloc] init]; //设置通知内容 localNotify.alertBody = @"这是一个本地通知"; //锁屏状态下的通知内容 localNotify.alertAction = @"锁屏状态通知"; //设置通知时间 localNotify.fireDate = [NSDate dateWithTimeIntervalSinceNow:8]; //重复多少个单元发送一次(一分钟发送一次,两天发送一次,一周发送一次) localNotify.repeatInterval = NSCalendarUnitMinute; //应用图标右上角提醒数字 localNotify.applicationIconBadgeNumber = 5; //2.调度通知 UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert | UIUserNotificationTypeBadge categories:nil]; [[UIApplication sharedApplication] registerUserNotificationSettings:settings]; [[UIApplication sharedApplication] scheduleLocalNotification:localNotify]; }