Question

我是iOS的新手，我面临着根据数组计数启用和禁用单元格的问题

我的代码就像这样

countcellbtn.text=[NSString stringWithFormat:@"%lu",(unsigned long)ComplareArray.count];

我得到数组计数我需要根据数组计数禁用单元格。

确切问题：我已经按下了按钮按钮点击我正在保存数据核心数据和弹出窗口我更新它。所以，如果我直接点击第三排应用程序崩溃。

提前致谢！

我在按钮点击上保存数据并在弹出点击上更新如下

但是当我直接点击第3个单元格应用程序时会因为索引值得到更改而崩溃

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
        static NSString *STI=@"STI";
        AuditNextTableViewCell *cell = (AuditNextTableViewCell *)[tableView dequeueReusableHeaderFooterViewWithIdentifier:STI];
        if (cell == nil)
        {
            NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"AuditNextTableViewCell" owner:self options:nil];
            cell = [nib objectAtIndex:0];
            cell.accessoryType=UITableViewCellAccessoryNone;
        }

        cell.audittitlelbl.text=[NSString stringWithFormat:@"%@",[idarray objectAtIndex:indexPath.row]];
        cell.nameidlbl.text=[NSString stringWithFormat:@"%@",[CheckpointNameIDArray objectAtIndex:indexPath.row]];
        cell.passlbl.text=[NSString stringWithFormat:@"%@",[Passarray objectAtIndex:indexPath.row]];
        cell.faillbl.text=[NSString stringWithFormat:@"%@",[Failarray objectAtIndex:indexPath.row]];
        cell.warninglbl.text=[NSString stringWithFormat:@"%@",[Warningarray objectAtIndex:indexPath.row]];
        cell.nalbl.text=[NSString stringWithFormat:@"%@",[NAarray objectAtIndex:indexPath.row]];
        cell.popuplbl.text=[NSString stringWithFormat:@"%@",[Popuparray objectAtIndex:indexPath.row ]];
        // cell.remarklbl.text=[NSString stringWithFormat:@"%@",[PFWNAArray objectAtIndex:indexPath.row]];

        DataModel *model2 = [AuditTextBoxarray objectAtIndex:indexPath.row];
        cell.lblAuditTextBox.text=model2.AuditTextBoxString;

        //cell.lblAuditTextBox.text=[NSString stringWithFormat:@"%@",[AuditTextBoxarray objectAtIndex:indexPath.row]];

        cell.AuditCountlbl.text=[NSString stringWithFormat:@"%ld)", (long)indexPath.row +1];

        cell.CaptureImage.image = [imageArray objectAtIndex:indexPath.row];

    // tag add on buttons
    cell.passbtn.tag = indexPath.row;
    cell.failbtn.tag = indexPath.row;
    cell.wipbtn.tag = indexPath.row;
    cell.nabtn.tag = indexPath.row;
    cell.Photobtn.tag=indexPath.row;
    cell.btnRemove.tag=indexPath.row;

    //method add on buttons
    [cell.passbtn addTarget:self action:@selector(btnP:) forControlEvents:UIControlEventTouchUpInside];
    [cell.failbtn addTarget:self action:@selector(btnF:) forControlEvents:UIControlEventTouchUpInside];
    [cell.wipbtn addTarget:self action:@selector(btnW:) forControlEvents:UIControlEventTouchUpInside];
    [cell.nabtn addTarget:self action:@selector(btnNA:) forControlEvents:UIControlEventTouchUpInside];
    [cell.Photobtn addTarget:self action:@selector(btnphotoClick:) forControlEvents:UIControlEventTouchUpInside];
    [cell.btnRemove addTarget:self action:@selector(btnRemoveClick:) forControlEvents:UIControlEventTouchUpInside];

    NSManagedObjectContext *managedObjectContext = [self managedObjectContext];
    NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] initWithEntityName:@"AuditPost"];
    self.devices = [[managedObjectContext executeFetchRequest:fetchRequest error:nil] mutableCopy];

    ComplareArray=[devices valueForKey:@"checkpointid"];

    countcellbtn.text=[NSString stringWithFormat:@"%lu",(unsigned long)ComplareArray.count];

    //cell.userInteractionEnabled = (ComplareArray.count % 2 == 0);



    if (![arrIndexPaths containsObject:indexPath])
    {
        [arrIndexPaths addObject:indexPath];
    }

    if (![PassarrIndexPaths containsObject:indexPath])
    {
        [PassarrIndexPaths addObject:indexPath];
    }


    //background color change on button
    DataModel *model = [arrData objectAtIndex:indexPath.row];
    if([model.strSelected isEqualToString:@"P"])
    {
        cell.passbtn.backgroundColor = [UIColor redColor];
    }
    else if([model.strSelected isEqualToString:@"F"])
    {
        cell.failbtn.backgroundColor = [UIColor yellowColor];
    }
    else if([model.strSelected isEqualToString:@"W"])
    {
        cell.wipbtn.backgroundColor = [UIColor orangeColor];
    }
    else if([model.strSelected isEqualToString:@"NA"])
    {
        cell.nabtn.backgroundColor = [UIColor blueColor];
    }
    else if ([model.strSelected isEqualToString:@"PA"])
    {
        cell.passbtn.backgroundColor=[UIColor greenColor];
    }
    else if ([model.strSelected isEqualToString:@"NAA"])
    {
        cell.nabtn.backgroundColor=[UIColor blueColor];
    }
    else
    {
        cell.passbtn.backgroundColor = [UIColor lightGrayColor];
        cell.failbtn.backgroundColor = [UIColor lightGrayColor];
        cell.wipbtn.backgroundColor = [UIColor lightGrayColor];
        cell.nabtn.backgroundColor = [UIColor lightGrayColor];
    }


    [cell.contentView.layer setBorderColor:[UIColor blackColor].CGColor];
    [cell.contentView.layer setBorderWidth:0.5f];

    return cell;
}

//buttons methods

-(void)btnP:(UIButton *)sender
{
    sender.backgroundColor = [UIColor redColor];
    DataModel *model = [arrData objectAtIndex:sender.tag];
    model.strSelected = @"P";

    NSManagedObjectContext *managedObjectContext = [self managedObjectContext];
    NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] initWithEntityName:@"AuditPost"];
    self.devices = [[managedObjectContext executeFetchRequest:fetchRequest error:nil] mutableCopy];

    AuditNextTableViewCell *cell = sender.superview.superview;

    NSIndexPath *indexPath = [Audittable indexPathForCell:cell];
    CurrentIndexPath=indexPath.row;
    NSString *String3=cell.audittitlelbl.text;
    NSString *String =cell.actuallbl.text;
    String2=cell.nameidlbl.text;

    CGSize newSizeClient=CGSizeMake(200,200); // I am giving resolution 50*50 , you can change your need
    UIGraphicsBeginImageContext(newSizeClient);
    [cell.CaptureImage.image drawInRect:CGRectMake(0, 0, newSizeClient.width, newSizeClient.height)];
    UIImage* newImageClient = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();


    NSData *imgData = [[NSData alloc] initWithData:UIImageJPEGRepresentation((newImageClient), 0.5)];
    AuditImageString = [imgData base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];

    CheckStringShow =@"6";
    NSLog(@"String =%@",String);
    NSUserDefaults *defaults=[NSUserDefaults standardUserDefaults];
    [defaults setObject:String forKey:@"ActualStringCustom"];
    [defaults setObject:String2 forKey:@"CheckPointNameID"];

    NSString *FailString=@"";
    NSString *WarningString=@"";
    HighString=@"";

    UIAlertView *testAlert = [[UIAlertView alloc] initWithTitle:@"Enter High Risk Reason"
                                                        message:String3
                                                       delegate:self
                                              cancelButtonTitle:nil
                                              otherButtonTitles:@"Done", nil];
    textView1 = [UITextView new];
    lbl = [[UILabel alloc] initWithFrame:CGRectMake(10.0, 0.0,90.0, 34.0)];


    [lbl setText:@"Enter Remark"];
    [lbl setFont:[UIFont systemFontOfSize:12]];
    [lbl setBackgroundColor:[UIColor clearColor]];
    [lbl setTextColor:[UIColor lightGrayColor]];
    textView1.delegate = self;

    [textView1 addSubview:lbl];

    [testAlert setValue: textView1 forKey:@"accessoryView"];

    [testAlert show];

    NSLog(@"Text View Data =%@",textView1.text);

    NSManagedObjectContext *context = [self managedObjectContext];
    NSError *error;

    NSFetchRequest *request = [[NSFetchRequest alloc] init];
    [request setEntity:[NSEntityDescription entityForName:@"AuditPost" inManagedObjectContext:context]];

    //  NSError *error = nil;
    NSArray *results = [context executeFetchRequest:request error:&error];
    NSLog(@"Result =%@",results);

    int imageSize   = imgData.length;
    NSLog(@"size of image in KB: %d ", imageSize/1024);
    int OCS=imageSize/1024;

    NSLog(@"OCS Image Size =%d",OCS);

    if(OCS<2)
    {
        AuditImageString=@"";
    }

    ComplareArray=[devices valueForKey:@"checkpointid"];

    BOOL contains = [ComplareArray containsObject:String2];

    if(contains == NO)
    {
        if (self.device) {
            // Update existing device
            [device setValue:Audit forKey:@"auditnameId"];
            [device setValue:String forKey:@"checklistid"];
            [device setValue:String2 forKey:@"checkpointid"];
            [device setValue:FailString forKey:@"failreason"];
            [device setValue:WarningString forKey:@"warningreason"];
            [device setValue:HighString forKey:@"highregion"];
            [device setValue:AuditStartDate forKey:@"starttimedate"];
            [device setValue:userid forKey:@"userid"];
            [device setValue:AuditImageString forKey:@"auditimage"];

            NSError *error = nil;
            // Save the object to persistent store
            if (![context save:&error]) {
                NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
            }

        } else {
            // Create a new device
            NSManagedObject *newDevice = [NSEntityDescription insertNewObjectForEntityForName:@"AuditPost" inManagedObjectContext:context];
            [newDevice setValue:Audit forKey:@"auditnameId"];
            [newDevice setValue:String forKey:@"checklistid"];
            [newDevice setValue:String2 forKey:@"checkpointid"];
            [newDevice setValue:FailString forKey:@"failreason"];
            [newDevice setValue:WarningString forKey:@"warningreason"];
            [newDevice setValue:HighString forKey:@"highregion"];
            [newDevice setValue:AuditStartDate forKey:@"starttimedate"];
            [newDevice setValue:userid forKey:@"userid"];
            [newDevice setValue:AuditImageString forKey:@"auditimage"];

            NSError *error = nil;
            // Save the object to persistent store
            if (![context save:&error]) {
                NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
            }
        }
    }
    else
    {
        NSError *error = nil;
        // Save the object to persistent store
        if (![context save:&error]) {
            NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
        }

        NSManagedObjectContext *context = [self managedObjectContext];

        NSFetchRequest *request = [[NSFetchRequest alloc] init];
        [request setEntity:[NSEntityDescription entityForName:@"AuditPost" inManagedObjectContext:context]];

        NSArray *results = [context executeFetchRequest:request error:&error];
        NSManagedObject* favoritsGrabbed = [results objectAtIndex:CurrentIndexPath];
        [favoritsGrabbed setValue:String forKey:@"checklistid"];
        [favoritsGrabbed setValue:FailString forKey:@"failreason"];
        [favoritsGrabbed setValue:WarningString forKey:@"warningreason"];
        [favoritsGrabbed setValue:HighString forKey:@"highregion"];
        // Save the object to persistent store
        if (![context save:&error]) {
            NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
        }
    }

    //example reload table
    dispatch_async(dispatch_get_main_queue(), ^{
        [Audittable reloadData];
    });  
}

- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex {
 NSString *CheckString;
           NSUserDefaults *defaults=[NSUserDefaults standardUserDefaults];
           CheckString=[defaults objectForKey:@"CheckStringCommentAudit"];
           NSManagedObjectContext *managedObjectContext = [self managedObjectContext];
           NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] initWithEntityName:@"AuditPost"];
           self.devices = [[managedObjectContext executeFetchRequest:fetchRequest error:nil] mutableCopy];

           NSLog(@"String 2=%@",String2);
           NSManagedObjectContext *context = [self managedObjectContext];
           compareCommentArray=[devices valueForKey:@"checkpointid"];
           BOOL contains = [compareCommentArray containsObject:String2];
           if(contains == YES)
           {
               if([CheckStringShow isEqualToString:@"4"])
               {
                   NSLog(@"Text Value =%@",textView1.text);
                   NSString *String=textView1.text;
                   DataModel *model = [AuditTextBoxarray objectAtIndex:CurrentIndexPath];
                   model.AuditTextBoxString = String;

                   dispatch_async(dispatch_get_main_queue(), ^{
                       [Audittable reloadData];
                   });
                   NSError *error = nil;
                   // Save the object to persistent store
                   if (![context save:&error]) {
                       NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
                   }
                   ///
                   NSManagedObjectContext *context = [self managedObjectContext];

                   NSFetchRequest *request = [[NSFetchRequest alloc] init];
                   [request setEntity:[NSEntityDescription entityForName:@"AuditPost" inManagedObjectContext:context]];
                   //  NSError *error = nil;
                   NSArray *results = [context executeFetchRequest:request error:&error];
                   NSManagedObject* favoritsGrabbed = [results objectAtIndex:CurrentIndexPath];
                   [favoritsGrabbed setValue:String forKey:@"failreason"];
                   // Save the object to persistent store
                   if (![context save:&error]) {
                        NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
                   }
                }
                else if ([CheckStringShow isEqualToString:@"5"])
                {
                    NSLog(@"Text Value =%@",textView1.text);
                    NSString *String=textView1.text;
                    DataModel *model = [AuditTextBoxarray objectAtIndex:CurrentIndexPath];
                    model.AuditTextBoxString = String;

                    dispatch_async(dispatch_get_main_queue(), ^{
                        [Audittable reloadData];
                    });
                    NSError *error = nil;
                    // Save the object to persistent store
                    if (![context save:&error]) {
                        NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
                    }
                    ///
                    NSManagedObjectContext *context = [self managedObjectContext];
                    NSFetchRequest *request = [[NSFetchRequest alloc] init];
                    [request setEntity:[NSEntityDescription entityForName:@"AuditPost" inManagedObjectContext:context]];
                    //  NSError *error = nil;
                        NSArray *results = [context executeFetchRequest:request error:&error];
                    NSManagedObject* favoritsGrabbed = [results objectAtIndex:CurrentIndexPath];
                        [favoritsGrabbed setValue:String forKey:@"warningreason"];
                    // Save the object to persistent store
                    if (![context save:&error]) {
                        NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
                    }
                }
               else if ([CheckStringShow isEqualToString:@"6"])
               {
                   NSLog(@"Text Value =%@",textView1.text);
                   NSString *String=textView1.text;
                   DataModel *model = [AuditTextBoxarray objectAtIndex:CurrentIndexPath];
                   model.AuditTextBoxString = String;

                   dispatch_async(dispatch_get_main_queue(), ^{
                       [Audittable reloadData];
                   });
                   NSError *error = nil;
                   // Save the object to persistent store
                   if (![context save:&error]) {
                       NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
                   }
                   ///
                   NSManagedObjectContext *context = [self managedObjectContext];
                   NSFetchRequest *request = [[NSFetchRequest alloc] init];
                   [request setEntity:[NSEntityDescription entityForName:@"AuditPost" inManagedObjectContext:context]];
                   //  NSError *error = nil;
                   NSArray *results = [context executeFetchRequest:request error:&error];
                   NSManagedObject* favoritsGrabbed = [results objectAtIndex:CurrentIndexPath];
                   [favoritsGrabbed setValue:String forKey:@"highregion"];
                   // Save the object to persistent store
                   if (![context save:&error]) {
                       NSLog(@"Can't Save! %@ %@", error, [error localizedDescription]);
                   }

               }
           }
}

如何根据目标c中的数组计数启用和禁用tableview单元格

0 个答案: