我似乎无法找到我的错误,任何人都可以帮助我吗?当我尝试运行测试应用程序时它一直工作,直到我点击日历按钮,它是表视图页面的segue,它只是冻结并在调试器中出现此错误。
014-08-08 15:54:57.533 nths [2171:607] **断言失败 - [UITableView _configureCellForDisplay:forIndexPath:],/ SourceCache / UIKit_Sim / UIKit-2935.137 / UITableView.m:6509
2014-08-08 15:54:57.536 nths [2171:607] **由于终止应用程序 未被捕获的异常' NSInternalInconsistencyException',原因: ' UITableView dataSource必须从中返回一个单元格 的tableView:的cellForRowAtIndexPath:' * 第一次抛出调用堆栈:
以下是我认为会对此产生影响的所有代码。
CalendarViewController.h
#import <UIKit/UIKit.h>
#import <Parse/Parse.h>
#import "DataCellViewController.h"
@interface CalendarViewController : UIViewController <UITableViewDelegate> {
NSArray *eventArray;
}
@property (weak, nonatomic)IBOutlet UITableView *Datatable;
@end
CalendarViewController.m
#import "CalendarViewController.h"
@interface CalendarViewController ( )
@end
@implementation CalendarViewController
@synthesize Datatable;
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
[self performSelector:@selector(retrieveFromParse)];
}
- (void) retrieveFromParse {
PFQuery *retrieveDate = [PFQuery queryWithClassName:@"Calendar"];
[retrieveDate findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
NSLog(@"%@",objects);
if (!error) {
eventArray = [[NSArray alloc] initWithArray:objects];
}
[Datatable reloadData];
}];
}
//Setup table of folder names
//get number of sections in tableview
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
// Return the number of sections.
return 1;
}
//get number of rows by counting number of folders
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return eventArray.count;
}
//setup cells in tableView
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
//setup cell
static NSString *CellIdentifier = @"CalenderCell";
DataCellViewController *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
NSDictionary *tempDict = [eventArray objectAtIndex:indexPath.row];
cell.eventTitle.text = [tempDict objectForKey:@"eventTitle"];
NSLog(@"array contents: %@", eventArray);
return cell;
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
DataCellViewController.h
#import <UIKit/UIKit.h>
@interface DataCellViewController : UITableViewCell
@property (nonatomic, strong)IBOutlet UILabel *eventTitle;
@end
DataCellViewController.m
#import "DataCellViewController.h"
@interface DataCellViewController ( )
@end
@implementation DataCellViewController
@synthesize eventTitle;
- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
{
self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (self) {
// Initialization code
}
return self;
}
- (void)setSelected:(BOOL)selected animated:(BOOL)animated
{
[super setSelected:selected animated:animated];
// Configure the view for the selected state
}
@end