iOS LocalPush

UILocalNotification *notif = [UILocalNotification new]; 

notif.fireDate = [NSDate dateWithTimeIntervalSinceNow:3];

notif.alertBody = @"该睡觉了！！！";

notif.alertTitle = @"提示";

notif.userInfo = @{@"key":@"value"};

notif.soundName = @"default";

[[UIApplication sharedApplication] scheduleLocalNotification:notif];