iOS开发之EventKitUI框架的应用

EKCalendarChooser *chooser = [[EKCalendarChooser alloc] initWithSelectionStyle:EKCalendarChooserSelectionStyleSingle displayStyle:EKCalendarChooserDisplayAllCalendars eventStore:self.eventStore];
chooser.showsDoneButton = YES;
chooser.showsCancelButton = YES;
chooser.delegate = self;
[self.navigationController pushViewController:chooser animated:YES];

// 实例化方法
/*
typedef NS_ENUM(NSInteger, EKCalendarChooserSelectionStyle) {
    EKCalendarChooserSelectionStyleSingle,    // 单选模式
    EKCalendarChooserSelectionStyleMultiple   // 多选模式
};

typedef NS_ENUM(NSInteger, EKCalendarChooserDisplayStyle) {
    EKCalendarChooserDisplayAllCalendars,         // 展示全部日历
    EKCalendarChooserDisplayWritableCalendarsOnly // 只展示可写的日历
};
*/
- (id)initWithSelectionStyle:(EKCalendarChooserSelectionStyle)selectionStyle
                displayStyle:(EKCalendarChooserDisplayStyle)displayStyle
                  eventStore:(EKEventStore *)eventStore;
// 实例化方法 entityType参数决定是 系统的日历 还是 提醒 对应的 EKCalander
- (id)initWithSelectionStyle:(EKCalendarChooserSelectionStyle)style 
                displayStyle:(EKCalendarChooserDisplayStyle)displayStyle
                  entityType:(EKEntityType)entityType
                  eventStore:(EKEventStore *)eventStore;
// 获取用户选中的日历 集合
@property(nonatomic, copy) NSSet<EKCalendar *> *selectedCalendars;
// 选择的风格
@property(nonatomic, readonly) EKCalendarChooserSelectionStyle    selectionStyle;
// 代理对象
@property(nonatomic, weak, nullable) id<EKCalendarChooserDelegate>        delegate;
// 是否展示完成按钮 在导航上
@property(nonatomic) BOOL showsDoneButton;
// 是否展示取消按钮在导航上
@property(nonatomic) BOOL showsCancelButton;

@protocol EKCalendarChooserDelegate <NSObject>
@optional
// 用户选择改变后触发的回调
- (void)calendarChooserSelectionDidChange:(EKCalendarChooser *)calendarChooser;
// 用户选择完成后触发的回调
- (void)calendarChooserDidFinish:(EKCalendarChooser *)calendarChooser;
// 用户取消选择后触发的回调
- (void)calendarChooserDidCancel:(EKCalendarChooser *)calendarChooser;
@end

- (void)queryEvent {
    for (EKCalendar *cal in [self.eventStore calendarsForEntityType:EKEntityTypeEvent]) {
        if ([cal.title isEqualToString:@"珲少的事项日历"]) {
            NSCalendar *calendar = [NSCalendar currentCalendar];
         
            NSDateComponents *oneMonthFromNowComponents = [[NSDateComponents alloc] init];
            oneMonthFromNowComponents.month = 1;
            NSDate *oneMonthFromNow = [calendar dateByAddingComponents:oneMonthFromNowComponents
                                                                toDate:[NSDate date]
                                                               options:0];

            NSPredicate*predicate = [self.eventStore predicateForEventsWithStartDate:[NSDate date] endDate:oneMonthFromNow calendars:@[cal]];
            
            NSArray *eventArray = [self.eventStore eventsMatchingPredicate:predicate];
            // 打开控制器
            EKEventViewController *controller = [[EKEventViewController alloc] init];
            controller.event = eventArray.firstObject;
            [self presentViewController:controller animated:YES completion:nil];
        }
    }
}

@interface EKEventViewController : UIViewController
// 代理对象
@property(nonatomic, weak, nullable) id<EKEventViewDelegate>  delegate;
// 对应的事件对象，在使用控制器时，必须设置这个属性
@property(nonatomic, retain, null_unspecified) EKEvent *event;
// 设置是否允许编辑
@property(nonatomic) BOOL      allowsEditing;
// 设置是否允许日历预览
@property(nonatomic) BOOL      allowsCalendarPreview;
@end

@protocol EKEventViewDelegate <NSObject>
@required
// 完成某个行为后会调用的代理回调
/*
typedef NS_ENUM(NSInteger, EKEventViewAction) {
    EKEventViewActionDone,                  // 完成了事件
    EKEventViewActionResponded,             // 回复了事件
    EKEventViewActionDeleted,               // 删除了事件
};
*/
- (void)eventViewController:(EKEventViewController *)controller didCompleteWithAction:(EKEventViewAction)action __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_4_2);
@end

EKEventEditViewController *controller = [[EKEventEditViewController alloc] init];
controller.event = eventArray.firstObject;
[self presentViewController:controller animated:YES completion:nil];

@interface EKEventEditViewController : UINavigationController
// 代理对象
@property(nonatomic, weak, nullable) id<EKEventEditViewDelegate>  editViewDelegate;
// 编辑行为完成后，进行数据操作的EKEventStore对象
@property(nonatomic, retain, null_unspecified) EKEventStore   *eventStore;
// 要进行编辑的事件对象
@property(nonatomic, retain, nullable) EKEvent *event;
// 取消编辑
- (void)cancelEditing;
@end

@protocol EKEventEditViewDelegate <NSObject>
@required
// 完成某个编辑动作后调用
- (void)eventEditViewController:(EKEventEditViewController *)controller didCompleteWithAction:(EKEventEditViewAction)action;
@optional
// 设置新建事件默认对象的日历
- (EKCalendar *)eventEditViewControllerDefaultCalendarForNewEvents:(EKEventEditViewController *)controller;
@end

 (adsbygoogle = window.adsbygoogle || []).push({});