カレンダーにカスタム kal データソースを使用してみます。データの取得に成功しましたが、実行しようとすると、次のエラーが発生し続けます。
-[NSNull cc_componentsForMonthDayAndYear]: unrecognized selector sent to instance 0x2823fb8
私のコード
// KalParseDataSource.m
#import "KalParseDataSource.h"
#import <Parse/Parse.h>
@implementation KalParseDataSource
static BOOL IsDateBetweenInclusive(NSDate *date, NSDate *begin, NSDate *end)
{
return [date compare:begin] != NSOrderedAscending && [date compare:end] != NSOrderedDescending;
}
- (id)init
{
if ((self = [super init])) {
items = [[NSMutableArray alloc] init];
events= [[NSMutableArray alloc] init];
}
return self;
}
#pragma mark UITableViewDataSource protocol conformance
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *identifier = @"MyCell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
if (!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
cell.textLabel.text = @"Filler text";
return cell;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return 0;
}
- (void)presentingDatesFrom:(NSDate *)fromDate to:(NSDate *)toDate delegate:(id<KalDataSourceCallbacks>)delegate{
NSLog(@"getting data");
if ([events count] > 0) {
[delegate loadedDataSource:self];
return;
}
NSDateFormatter *fmt = [[NSDateFormatter alloc] init];
[fmt setDateFormat:@"yyyy-MM-dd hh:mm:ss"];
PFUser *user = [PFUser currentUser];
PFQuery *query = [PFQuery queryWithClassName:@"CalendarEvents"];
[query whereKey:@"user" equalTo:user];
[query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
if (!error) {
[events removeAllObjects];
[events addObjectsFromArray:objects];
[delegate loadedDataSource:self];
} else {
NSLog(@"Error: %@ %@", error, [error userInfo]);
}
}];
}
- (NSArray *)markedDatesFrom:(NSDate *)fromDate to:(NSDate *)toDate {
return [[self tagsFrom:fromDate to:toDate] valueForKeyPath:@"date"];
}
- (void)loadItemsFromDate:(NSDate *)fromDate toDate:(NSDate *)toDate {
[items addObjectsFromArray:[self tagsFrom:fromDate to:toDate]];
}
- (NSArray *)tagsFrom:(NSDate *)fromDate to:(NSDate *)toDate
{
NSMutableArray *matches = [NSMutableArray array];
for (PFObject *event in events){
if (IsDateBetweenInclusive([event objectForKey:@"event_date"], fromDate, toDate)){
[matches addObject:event];
}
}
return matches;
}
- (void)removeAllItems{
[items removeAllObjects];
}
@end
カレンダーを保持しているビューコントローラー。
#import "MainMenuViewController.h"
#import "Kal.h"
#import "KalParseDataSource.h"
@interface MainMenuViewController ()
@end
@implementation MainMenuViewController
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
id<KalDataSource> source = [[KalParseDataSource alloc] init];
KalViewController *calendar = [[KalViewController alloc] init];
calendar.dataSource = source;
[self addChildViewController:calendar];
[calendar didMoveToParentViewController:self];
[self.view addSubview:calendar.view];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
私はこれで3日間立ち往生しています。このサードパーティのフレームワークhttps://github.com/klazuka/Kalを使用する簡単な例を誰か教えてください。レポのものは少し複雑に思えます。カスタム データ ソースを使用したいだけです。