由于某种原因,我的应用程序在尝试将单元格加载到 tableview 时失败。我在整个应用程序中的所有表格视图都完全相同,我对它们没有任何问题。可能与从另一个视图控制器初始化控制器有关吗?我不会这么认为。我在故事板中的单元格被赋予了标识符。这是屏幕截图的链接。
所以我在这里尝试了一切,但没有任何效果。
这是使用 [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath] 方法的输出:
2013-11-14 15:36:33.419 ComplyOS[43683:70b] *** Assertion failure in -[UITableView dequeueReusableCellWithIdentifier:forIndexPath:], /SourceCache/UIKit_Sim/UIKit-2903.23/UITableView.m:5261
2013-11-14 15:36:33.424 ComplyOS[43683:70b] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'unable to dequeue a cell with identifier ProcedureCell - must register a nib or a class for the identifier or connect a prototype cell in a storyboard'
*** First throw call stack:
(
0 CoreFoundation 0x0000000101fa9795 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x0000000101d0c991 objc_exception_throw + 43
2 CoreFoundation 0x0000000101fa961a +[NSException raise:format:arguments:] + 106
3 Foundation 0x00000001018a99e9 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 189
4 UIKit 0x00000001008f9879 -[UITableView dequeueReusableCellWithIdentifier:forIndexPath:] + 150
5 ComplyOS 0x00000001000099b4 -[EndoPxTableViewController tableView:cellForRowAtIndexPath:] + 116
6 UIKit 0x0000000100902b8a -[UITableView _createPreparedCellForGlobalRow:withIndexPath:] + 348
7 UIKit 0x00000001008ea836 -[UITableView _updateVisibleCellsNow:] + 2297
8 UIKit 0x00000001008fb381 -[UITableView layoutSubviews] + 207
9 UIKit 0x0000000100892b27 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 354
10 QuartzCore 0x00000001005afa22 -[CALayer layoutSublayers] + 151
11 QuartzCore 0x00000001005a4589 _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 363
12 QuartzCore 0x00000001005a440a _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 24
13 QuartzCore 0x0000000100519694 _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 252
14 QuartzCore 0x000000010051a70c _ZN2CA11Transaction6commitEv + 394
15 QuartzCore 0x000000010051ad79 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 89
16 CoreFoundation 0x0000000101f74ff7 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
17 CoreFoundation 0x0000000101f74f67 __CFRunLoopDoObservers + 391
18 CoreFoundation 0x0000000101f546d2 __CFRunLoopRun + 946
19 CoreFoundation 0x0000000101f53f33 CFRunLoopRunSpecific + 467
20 GraphicsServices 0x0000000103c2b3a0 GSEventRunModal + 161
21 UIKit 0x0000000100837043 UIApplicationMain + 1010
22 Comply 0x0000000100002703 main + 115
23 libdyld.dylib 0x00000001029ed5fd start + 1
24 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
这是我的 UITableView 控制器代码:
#import "EndoPxTableViewController.h"
#import <AFHTTPRequestOperationManager.h>
#import "ProcedureTableViewCell.h"
@interface EndoPxTableViewController (){}
@property (nonatomic, strong)NSArray *procedures;
@end
@implementation EndoPxTableViewController
- (void)setVisitItem:(Patient_VisitsModel *)visitItem{
if(_visitItem !=visitItem){
_visitItem = visitItem;
}
}
-(void)setUserId:(NSString *)userId{
if(_userId !=userId){
_userId = userId;
}
[self fetchProceduresData];
}
- (void) fetchProceduresData{
NSString *procedureURLString =[NSString stringWithFormat:@"https://XXXX";
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
[manager GET:procedureURLString parameters:nil success:^(AFHTTPRequestOperation *operation, id json) {
_procedures = json;
[self.tableView reloadData];
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"Error occured in getSessionID method");
NSLog(@"Error: %@", error);
}];
}
- (id)initWithStyle:(UITableViewStyle)style
{
self = [super initWithStyle:style];
if (self) {
}
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.title = @"Endoscopy Report";
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
NSLog(@"Procedures:%@", [_procedures valueForKey:@"description"]);
return _procedures.count;
}
- (ProcedureTableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *CellIdentifier = @"ProcedureCell";
ProcedureTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];
NSString *procedureDescription = [_procedures[indexPath.row] valueForKey:@"description"];
NSLog(@"Procedure Description:%@", procedureDescription);
cell.procedureLabel.text = procedureDescription;
cell.questionImage.image = nil;
return cell;
}
#pragma mark - Navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
}
@end
感谢大家的帮助。我有点绝望了。