alllllllll 2013-03-12 02:22 采纳率: 0%
浏览 2243
已采纳

UITableView复制checkmark

试了很多方法也没解决,请高手帮忙看看啊。

在我滚动cellForRowAtIndexPath的时候,在tableView添加和删除选中标记,不知道为什么。

// Configure the cell...
cell.textLabel.text = [currencyList objectAtIndex:indexPath.row];

// Check to see what currency is currently selected and checkstyle
if ([selectedCurrency isEqualToString:cell.textLabel.text]) {

    // Add a tick to the selected row
    cell.accessoryType = UITableViewCellAccessoryCheckmark;

    // Change the text colour
    cell.textLabel.textColor = [UIColor colorWithRed:0 green:0 blue:0.5 alpha:1];
    self.checkedIndexPath = indexPath;
} else {
    UITableViewCell *uncheckCell = [self.tableView
                                    cellForRowAtIndexPath:self.checkedIndexPath];
    uncheckCell.accessoryType = UITableViewCellAccessoryNone;
    // Change the font colour back to black
    uncheckCell.textLabel.textColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:1];
}
  • 写回答

1条回答 默认 最新

  • redCoral_ 2013-03-12 03:16
    关注

    不需要uncheck cellForRowAtIndexPath中的cell,只要重载选中的cell就OK了。

    - (void)setCheckedIndexPath:(NSIndexPath *)indexPath
    {
        NSIndexPath *uncheckIndexPath = self.checkedIndexPath;
        _checkedIndexPath = indexPath;
        [self.tableView reloadRowsAtIndexPaths:@[uncheckIndexPath]
                              withRowAnimation:UITableViewRowAnimationLeft];
    }
    

    再修改cellForRowAtIndexPath。需要注意,设置UITableViewCellAccessoryNone是给需要返回的cell。

    // Configure the cell...
    cell.textLabel.text = [currencyList objectAtIndex:indexPath.row];
    
    // Check to see what currency is currently selected and checkstyle
    if ([selectedCurrency isEqualToString:cell.textLabel.text]) {
    
        // Add a tick to the selected row
        cell.accessoryType = UITableViewCellAccessoryCheckmark;
    
        // Change the text colour
        cell.textLabel.textColor = [UIColor colorWithRed:0 green:0 blue:0.5 alpha:1];
        self.checkedIndexPath = indexPath;
    } else {
        //If cell unchecked
        cell.accessoryType = UITableViewCellAccessoryNone;
        // Change the font colour back to black
        cell.textLabel.textColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:1];
    }
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

报告相同问题?

悬赏问题

  • ¥15 单片机学习顺序问题!!
  • ¥15 ikuai客户端多拨vpn,重启总是有个别重拨不上
  • ¥20 关于#anlogic#sdram#的问题,如何解决?(关键词-performance)
  • ¥15 相敏解调 matlab
  • ¥15 求lingo代码和思路
  • ¥15 公交车和无人机协同运输
  • ¥15 stm32代码移植没反应
  • ¥15 matlab基于pde算法图像修复,为什么只能对示例图像有效
  • ¥100 连续两帧图像高速减法
  • ¥15 如何绘制动力学系统的相图