效果
源码
//
// ViewController.m
// Event
//
// Created by YouXianMing on 16/7/12.
// Copyright © 2016年 YouXianMing. All rights reserved.
//
#import "ViewController.h"
#import "CalendarEvent.h"
@interface ViewController () <CalendarEventDelegate>
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
NSTimeInterval hour = 60.f * 60.f;
NSDate *currentDate = [NSDate date];
CalendarEvent *event = [CalendarEvent new];
event.eventTitle = @"不作死就不会死";
event.startDate = [NSDate dateWithTimeInterval:hour * 1 sinceDate:currentDate];
event.endDate = [NSDate dateWithTimeInterval:hour * 2 sinceDate:currentDate];
event.alarmDate = [NSDate dateWithTimeInterval:hour * 0.5f sinceDate:currentDate];
event.eventLocation = @"大北京";
event.delegate = self;
[event save];
}
- (void)calendarEvent:(CalendarEvent *)event removedStatus:(ECalendarEventStatus)status error:(NSError *)error {
if (status == kCalendarEventAccessSavedSucess) {
NSLog(@"保存成功");
}
}
@end
//
// CalendarEvent.h
// EventStore
//
// Created by YouXianMing on 16/7/8.
// Copyright © 2016年 XianMing You. All rights reserved.
//
#import <Foundation/Foundation.h>
@class CalendarEvent;
typedef enum : NSUInteger {
/**
* Have not permission to save the event to system.
*/
kCalendarEventAccessDenied = 1000,
/**
* Saved the event success.
*/
kCalendarEventAccessSavedSucess,
/**
* Saved the event failed.
*/
kCalendarEventAccessSavedFailed,
/**
* Removed the event success.
*/
kCalendarEventAccessRemovedSucess,
/**
* Removed the event failed.
*/
kCalendarEventAccessRemovedFailed,
} ECalendarEventStatus;
@protocol CalendarEventDelegate <NSObject>
@optional
/**
* The CalendarEvent saved status.
*
* @param event CalendarEvent‘s object.
* @param status Saved status.
* @param error Error infomation.
*/
- (void)calendarEvent:(CalendarEvent *)event savedStatus:(ECalendarEventStatus)status error:(NSError *)error;
/**
* The CalendarEvent removed status.
*
* @param event CalendarEvent‘s object.
* @param status Removed status.
* @param error Error infomation.
*/
- (void)calendarEvent:(CalendarEvent *)event removedStatus:(ECalendarEventStatus)status error:(NSError *)error;
@end
@interface CalendarEvent : NSObject
/**
* Event title.
*/
@property (nonatomic, strong) NSString *eventTitle;
/**
* Alarm date.
*/
@property (nonatomic, strong) NSDate *alarmDate;
/**
* Event start date.
*/
@property (nonatomic, strong) NSDate *startDate;
/**
* Event end date.
*/
@property (nonatomic, strong) NSDate *endDate;
/**
* Event location.
*/
@property (nonatomic, strong) NSString *eventLocation;
/**
* CalendarEvent‘s delegate.
*/
@property (nonatomic, weak) id <CalendarEventDelegate> delegate;
/**
* Save the event to system.
*/
- (void)save;
/**
* Remove the event.
*/
- (void)remove;
/**
* To indicate the event have saved or not.
*
* @return
*/
- (BOOL)haveSaved;
#pragma mark - Constructor method.
+ (instancetype)calendarEventWithEventTitle:(NSString *)title startDate:(NSDate *)startDate endDate:(NSDate *)endDate;
@end
//
// CalendarEvent.m
// EventStore
//
// Created by YouXianMing on 16/7/8.
// Copyright © 2016年 XianMing You. All rights reserved.
//
#import "CalendarEvent.h"
#import <CommonCrypto/CommonDigest.h>
#import <EventKit/EventKit.h>
@implementation CalendarEvent
- (void)remove {
NSString *eventId = [[NSUserDefaults standardUserDefaults] objectForKey:[self storedKey]];
if (eventId) {
EKEventStore *eventStore = [[EKEventStore alloc] init];
EKEvent *event = [eventStore eventWithIdentifier:eventId];
NSError *error = nil;
[eventStore removeEvent:event span:EKSpanThisEvent error:&error];
if (self.delegate && [self.delegate respondsToSelector:@selector(calendarEvent:removedStatus:error:)]) {
dispatch_async(dispatch_get_main_queue(), ^{
[self.delegate calendarEvent:self
removedStatus:error ? kCalendarEventAccessRemovedFailed : kCalendarEventAccessRemovedSucess
error:nil];
});
}
}
}
- (BOOL)haveSaved {
NSString *eventId = [[NSUserDefaults standardUserDefaults] objectForKey:[self storedKey]];
if (eventId.length) {
return YES;
} else {
return NO;
}
}
- (void)save {
NSParameterAssert(self.eventTitle);
NSParameterAssert(self.startDate);
NSParameterAssert(self.endDate);
EKEventStore *eventStore = [[EKEventStore alloc] init];
[eventStore requestAccessToEntityType:EKEntityTypeEvent completion:^(BOOL granted, NSError *error) {
if (granted) {
EKEvent *event = [EKEvent eventWithEventStore:eventStore];
event.calendar = [eventStore defaultCalendarForNewEvents];
event.title = self.eventTitle;
event.startDate = self.startDate;
event.endDate = self.endDate;
self.alarmDate ? [event addAlarm:[EKAlarm alarmWithAbsoluteDate:self.alarmDate]] : 0;
self.eventLocation.length ? event.location = self.eventLocation : 0;
NSError *savedError = nil;
if ([eventStore saveEvent:event span:EKSpanThisEvent commit:YES error:&savedError]) {
if (self.delegate && [self.delegate respondsToSelector:@selector(calendarEvent:savedStatus:error:)]) {
dispatch_async(dispatch_get_main_queue(), ^{
[self.delegate calendarEvent:self
savedStatus:kCalendarEventAccessSavedSucess
error:nil];
});
}
// 存储事件的键值
[[NSUserDefaults standardUserDefaults] setObject:event.eventIdentifier forKey:[self storedKey]];
} else {
if (self.delegate && [self.delegate respondsToSelector:@selector(calendarEvent:savedStatus:error:)]) {
dispatch_async(dispatch_get_main_queue(), ^{
[self.delegate calendarEvent:self
savedStatus:kCalendarEventAccessSavedFailed
error:savedError];
});
}
}
} else {
if (self.delegate && [self.delegate respondsToSelector:@selector(calendarEvent:savedStatus:error:)]) {
dispatch_async(dispatch_get_main_queue(), ^{
[self.delegate calendarEvent:self
savedStatus:kCalendarEventAccessDenied
error:error];
});
}
}
}];
}
- (NSString *)storedKey {
NSParameterAssert(self.eventTitle);
NSParameterAssert(self.startDate);
NSParameterAssert(self.endDate);
NSString *string = [NSString stringWithFormat:@"%@%@%@", self.eventTitle, self.startDate, self.endDate];
return [self md532BitLower:string];
}
- (NSString*)md532BitLower:(NSString *)string {
const char *cStr = [string UTF8String];
unsigned char result[16];
CC_MD5(cStr, (unsigned int)strlen(cStr), result);
return [[NSString stringWithFormat:@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
result[0], result[1], result[2], result[3],
result[4], result[5], result[6], result[7],
result[8], result[9], result[10], result[11],
result[12], result[13], result[14], result[15]] lowercaseString];
}
+ (instancetype)calendarEventWithEventTitle:(NSString *)title startDate:(NSDate *)startDate endDate:(NSDate *)endDate {
CalendarEvent *event = [[self class] new];
event.eventTitle = title;
event.startDate = startDate;
event.endDate = endDate;
return event;
}
@end
时间： 2024-10-18 12:17:27