2012-05-04 37 views
0

我正在开发一个通用应用程序。在这个应用程序中有一个UITableView。问题在于,TableView中的标题行在iphone中的6行和iPad中的9行之后重复。Iphone:UITableView标题行在6行后重复

我GOOGLE了,但没有找到解决方案来解决这个头问题。请帮忙。

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { 
    // Return the number of rows in the section. 

    return [tripList count]; 
} 

的UITableView的cellForRowAtIndexPath代码:

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { 

    static NSString *CellIdentifier = @"Cell"; 

    UILabel *lblTripNumber = nil; 
    UILabel *lblTripState = nil; 
    UIImageView *imgTripState = nil; 
    UILabel *lblStateTitleText = nil; 
    UILabel *lblTripNUmberTitleValue = nil; 

    static NSUInteger const kTripNumberLabelTag = 2; 
    static NSUInteger const kTripStateLabelTag = 3; 
    static NSUInteger const kTripImageTag = 4; 


    BOOL isiPhone = UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone; 
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; 
    if(indexPath.row == 0) 
    { 
     if (cell == nil) { 
      cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; 

      if (!isiPhone) // 1=Ipad   
      { 
       lblStateTitleText = [[[UILabel alloc] initWithFrame:CGRectMake(205, 27, 250, (cell.contentView.frame.size.height))] autorelease]; 
       lblStateTitleText.font = [UIFont boldSystemFontOfSize:32]; 
      } 
      else 
      { 
       lblStateTitleText = [[[UILabel alloc] initWithFrame:CGRectMake(65, 10, 130, (cell.contentView.frame.size.height))] autorelease]; 
       lblStateTitleText.font = [UIFont boldSystemFontOfSize:16]; 
      } 
      lblStateTitleText.textAlignment = UITextAlignmentLeft; 
      lblStateTitleText.backgroundColor = [UIColor clearColor]; 
      lblStateTitleText.tag = 11;  
      lblStateTitleText.text = @"Trip State"; 
      lblStateTitleText.textColor = [UIColor cyanColor]; 
      [cell.contentView addSubview:lblStateTitleText]; 

      if (!isiPhone) // 1=Ipad   
      { 
       lblTripNUmberTitleValue = [[[UILabel alloc] initWithFrame:CGRectMake(445, 27, 290, (cell.contentView.frame.size.height))] autorelease]; 
       lblTripNUmberTitleValue.font = [UIFont boldSystemFontOfSize:32]; 
      } 
      else 
      { 
       lblTripNUmberTitleValue = [[[UILabel alloc] initWithFrame:CGRectMake(180, 10, 250, (cell.contentView.frame.size.height))] autorelease]; 
       lblTripNUmberTitleValue.font = [UIFont boldSystemFontOfSize:16]; 
      } 
      lblTripNUmberTitleValue.textAlignment = UITextAlignmentLeft; 
      lblTripNUmberTitleValue.backgroundColor = [UIColor clearColor]; 
      lblTripNUmberTitleValue.tag = 12;  
      lblTripNUmberTitleValue.text = @"Confirmation#";  
      lblTripNUmberTitleValue.textColor = [UIColor greenColor]; 
      [cell.contentView addSubview:lblTripNUmberTitleValue]; 

     } 

    } 
    else 
    { 
     if (cell == nil) { 
      cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; 

      CGFloat xIndex = 6.0;  
      CGFloat xIpadIndex = 6.0; 

      CGFloat TripNumberLabelWidth = 130.0; 

      if (!isiPhone) // 1=Ipad   
      { 
       imgTripState = [[[UIImageView alloc] initWithFrame:CGRectMake(xIndex, 18, 50, 64)] autorelease]; 
      } 
      else 
      { 
       imgTripState = [[[UIImageView alloc] initWithFrame:CGRectMake(xIndex, 8, 32, 32)] autorelease]; 
      } 

      imgTripState.tag = kTripImageTag; 
      [cell.contentView addSubview:imgTripState]; 

      xIndex +=73; 
      xIpadIndex +=85; 

      if (!isiPhone) // 1=Ipad   
      { 
       lblTripState = [[[UILabel alloc] initWithFrame:CGRectMake(xIpadIndex, 25, TripNumberLabelWidth, (cell.contentView.frame.size.height))] autorelease]; 
       lblTripState.font = [UIFont boldSystemFontOfSize:38]; 
      } 
      else 
      { 
       lblTripState = [[[UILabel alloc] initWithFrame:CGRectMake(xIndex, 1, TripNumberLabelWidth, (cell.contentView.frame.size.height))] autorelease]; 
       lblTripState.font = [UIFont boldSystemFontOfSize:20]; 
      } 
      lblTripState.textAlignment = UITextAlignmentLeft; 
      lblTripState.backgroundColor = [UIColor clearColor]; 
      lblTripState.tag = kTripStateLabelTag;  
      lblTripState.textColor = [UIColor colorWithRed:(0.0/255) green:(241.0/255) blue:(216.0/255) alpha:1.0f]; 
      [cell.contentView addSubview:lblTripState]; 

      xIndex +=132; 
      xIpadIndex +=120; 

      if (!isiPhone) // 1=Ipad 
      { 
       lblTripNumber = [[[UILabel alloc] initWithFrame:CGRectMake(xIpadIndex, 25, TripNumberLabelWidth, (cell.contentView.frame.size.height))] autorelease]; 
       lblTripNumber.font = [UIFont boldSystemFontOfSize:35]; 
      } 
      else 
      { 
       lblTripNumber = [[[UILabel alloc] initWithFrame:CGRectMake(xIndex, 0, TripNumberLabelWidth, (cell.contentView.frame.size.height))] autorelease]; 
       lblTripNumber.font = [UIFont boldSystemFontOfSize:18]; 
      } 

      lblTripNumber.textAlignment = UITextAlignmentLeft; 
      lblTripNumber.backgroundColor = [UIColor clearColor]; 
      lblTripNumber.tag = kTripNumberLabelTag;   
      lblTripNumber.textColor = [UIColor greenColor]; 
      [cell.contentView addSubview:lblTripNumber]; 

     }else 
     { 
      // A reusable cell was available, so we just need to get a reference to the subviews using their tags. 
      lblTripNumber = (UILabel *)[cell.contentView viewWithTag:kTripNumberLabelTag]; 
      lblTripState = (UILabel *)[cell.contentView viewWithTag:kTripStateLabelTag]; 
     // imgTripState = (UILabel *)[cell.contentView viewWithTag:kTripImageTag]; 
     } 

     lblTripNumber.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin; 
     lblTripState.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin; 


     int indCount = indexPath.row -1; 
     TripDetails *trip = [tripList objectAtIndex:indCount]; 
     lblTripNumber.text = trip.tripNumber; 
     lblTripState.text = trip.tripState; 


    // Configure the cell... 

    return cell; 
} 
+0

把viewForHeader的代码放在 – Saad

回答

1

你行的情况下,我得到了,我删除

if (cell == nil) 

它工作得很好。实际上,它正在第一个标题行中查找它的标签,并且无法替换它的值,所以造成了问题。

+0

我也这样做,但它会崩溃我的应用程序 –

1

你可能在你的资料表只有6项。

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { 

    return [TableData count]; 

} 

您的情况'TableData'是'tripList'。

0

请在部分检查您的viewFor标头。如果你使用数组作为你的头部视图,那么这个数组对象没有正确的分配内存。它使用最后一个对象来代替所有的旧对象。在添加对象之前,先创建一个内存分配的数组对象。告诉我,如果这是解决方案

+0

的部分和编号中,是的,因为您正在重复使用单元格,它们会向您显示已经填充的旧单元格。这就是为什么我说你应该限制细胞的数量到你阵列中的对象的数量,你应该没问题。 –

0

你的代码试图重用单元格,但你编码的方式是错误的。有关适当的模式,请参阅我的回答here。在坚果壳中,您应该只在if (cell == nil)部分定义共享单元格属性,行标签文本等特定属性应在此部分之外定义。这不是在索引0