解析聊天室 - 将NS数组转换为NSMutableArray，用于表视图上的DIsplay

我正在尝试创建一个聊天室，并在表格视图中显示“可用聊天” . 我试图使用mutableCopy将*对象NSArray转换为NSMutableArray并在tableView上显示...但它似乎不断崩溃....

任何帮助赞赏 .

. H

@interface MMKMatchesViewController1：UITableViewController

.M

@interface MMKMatchesViewController1（）// @property（强，非原子）IBOutlet UITableView * tableView; @property（强，非原子）NSMutableArray * availableChatRooms;

更新聊天室的代码

• （NSMutableArray *）availableChatRooms {if（！availableChatRooms）{ availabilityChatRooms = [[NSMutableArray alloc] init]; } return _availableChatRooms; }

这是应该更新tableView的内容

（void）updateAvailableChatRooms {PFQuery * query = [PFQuery queryWithClassName：@“ChatRoom”]; [查询whereKey：@“user1”equalTo：[PFUser currentUser]]; PFQuery * queryInverse = [PFQuery queryWithClassName：@“ChatRoom”]; [查询whereKey：@“user2”equalTo：[PFUser currentUser]]; PFQuery * queryCombined = [PFQuery orQueryWithSubqueries：@ [query，queryInverse]]; // [queryCombined includeKey：@“chat”]; [queryCombined includeKey：@“user1”]; [queryCombined includeKey：@“user2”]; [queryCombined findObjectsInBackgroundWithBlock：^（NSArray * objects，NSError * error）{if（！error）{

[self.availableChatRooms removeAllObjects];

[self.tableView reloadData];

// [self.availableChatRooms addObjectsFromArray：objects]; <---需要帮助:-(

[self.availableChatRooms = objects mutableCopy]; <---需要帮助:-(

[self.tableView reloadData];

}
}]; }

表数据源

（NSInteger）tableView：（UITableView *）tableView numberOfRowsInSection：（NSInteger）section {return [self.availableChatRooms count]; }（UITableViewCell *）tableView：（UITableView *）tableView cellForRowAtIndexPath：（NSIndexPath *）indexPath {static NSString * CellIdentifier = @“Cell”; UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier：CellIdentifier forIndexPath：indexPath]; PFObject * chatRoom = [self.availableChatRooms objectAtIndex：indexPath.row]; PFUser * likesUser; PFUser * currentUser = [PFUser currentUser]; PFUser * testUser1 = chatRoom [@“user1”]; if（[testUser1.objectId isEqual：currentUser.objectId]）{lovedUser = [chatRoom objectForKey：@“user2”];
} else {likesUser = [chatRoom objectForKey：@“user1”];
} cell.textLabel.text = likesUser [@“profile”] [@“firstName”]; // 344 //cell.imageView.image =占位符图像cell.imageView.contentMode = UIViewContentModeScaleAspectFit; PFQuery * queryForPhoto = [[PFQuery alloc] initWithClassName：@“Photo”]; [queryForPhoto whereKey：@“user”equalTo：likesUser]; [queryForPhoto findObjectsInBackgroundWithBlock：^（NSArray * objects，NSError * error）{if（[objects count]> 0）{

PFObject * photo = objects [0];

PFFile * pictureFile = photo [kMMKPhotoPictureKey];

[pictureFile getDataInBackgroundWithBlock：^（NSData * data，NSError * error）{

cell.imageView.image = [UIImage imageWithData：data];

cell.imageView.contentMode = UIViewContentModeScaleAspectFit;
}];
}
}];返回细胞; }

@JAMIE - 按下按钮转到聊天窗口后显示的错误

2014-11-08 12:34:21.468 Project1[19993:244958] *** Assertion failure in -[UITableView dequeueReusableCellWithIdentifier:forIndexPath:], /SourceCache/UIKit_Sim/UIKit-3318.16.14/UITableView.m:6116
2014-11-08 12:34:21.472 Project1[19993:244958] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'unable to dequeue a cell with identifier Cell - must register a nib or a class for the identifier or connect a prototype cell in a storyboard'
*** First throw call stack:
(
    0   CoreFoundation                      0x0000000109727f35 __exceptionPreprocess + 165
    1   libobjc.A.dylib                     0x00000001093c0bb7 objc_exception_throw + 45
    2   CoreFoundation                      0x0000000109727d9a +[NSException raise:format:arguments:] + 106
    3   Foundation                          0x00000001076595df -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
    4   UIKit                               0x000000010806f864 -[UITableView dequeueReusableCellWithIdentifier:forIndexPath:] + 153
    5   Jobazo                              0x000000010641877d -[MMKMatchesViewController1 tableView:cellForRowAtIndexPath:] + 109
    6   UIKit                               0x000000010807c4b3 -[UITableView _createPreparedCellForGlobalRow:withIndexPath:willDisplay:] + 508
    7   UIKit                               0x000000010805bfb1 -[UITableView _updateVisibleCellsNow:isRecursive:] + 2846
    8   UIKit                               0x0000000108071e3c -[UITableView layoutSubviews] + 213
    9   UIKit                               0x0000000107ffe973 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 521
    10  QuartzCore                          0x0000000107c92de8 -[CALayer layoutSublayers] + 150
    11  QuartzCore                          0x0000000107c87a0e _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 380
    12  QuartzCore                          0x0000000107c8787e _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 24
    13  QuartzCore                          0x0000000107bf563e _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 242
    14  QuartzCore                          0x0000000107bf674a _ZN2CA11Transaction6commitEv + 390
    15  QuartzCore                          0x0000000107bf6db5 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 89
    16  CoreFoundation                      0x000000010965cdc7 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
    17  CoreFoundation                      0x000000010965cd20 __CFRunLoopDoObservers + 368
    18  CoreFoundation                      0x0000000109652b53 __CFRunLoopRun + 1123
    19  CoreFoundation                      0x0000000109652486 CFRunLoopRunSpecific + 470
    20  GraphicsServices                    0x000000010a8ba9f0 GSEventRunModal + 161
    21  UIKit                               0x0000000107f85420 UIApplicationMain + 1282
    22  Project1                            0x0000000106417c93 main + 115
    23  libdyld.dylib                       0x0000000109c54145 start + 1
    24  ???                                 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException

谢谢！