通知無效

Question

NSCalendar *lbCalendar = [[NSCalendar alloc]init];
NSDateComponents *dateComponent = [lbCalendar components:NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit fromDate:[NSDate date]];

[dateComponent setYear:2014];
[dateComponent setMonth:6];
[dateComponent setDay:15];
[dateComponent setHour:22];
[dateComponent setMinute:29];

UIDatePicker *dp = [[UIDatePicker alloc]init];
[dp setDate:[lbCalendar dateFromComponents:dateComponent]];

UILocalNotification *notification = [[UILocalNotification alloc]init];
[notification setAlertBody:@"Hello Notification"];
[notification setFireDate:dp.date];
[notification setTimeZone:[NSTimeZone defaultTimeZone]];
[application setScheduledLocalNotifications:[NSArray arrayWithObject:notification]];

這是我在appdelegate.m中的代碼，用於顯示本地通知，但是它不起作用，並且代碼正確無誤，並且應用程序正常午餐，但未顯示任何通知。

我正在將Xcode 5.1與SDK 7.0一起使用

Answer 1

嘗試使用

NSCalendar *lbCalendar = [NSCalendar currentCalendar];

代替

NSCalendar *lbCalendar = [[NSCalendar alloc]init];