ios - 如何更改tableCell 的imageView 的frame？

Question

我想通过 Objective-C 代码在每个单元格右侧的 UITableViewCell 中显示 ImageView 。我使用了以下代码，但它在左侧显示图像。框架未设置。

UIImageView *bgView = [[UIImageView alloc]initWithFrame:CGRectMake(cell.frame.size.width/2, 0, cell.frame.size.width/2, cell.frame.size.height)];

       if([[self.categories objectAtIndex:indexPath.section] isKindOfClass:[SpecialPagesCategory class]]) {
           cell.backgroundColor=[UIColor whiteColor];
           bgView.image = [UIImage imageNamed:@"fbBtn.png"];
       } else {
           cell.backgroundColor=[UIColor clearColor];
           bgView.image = nil;
       }

       cell.imageView.image = bgView.image;
       cell.imageView.frame = bgView.frame;

如何通过自定义框架重置 UITableViewCell imageView？我正在创建一个如下所示的单元格

UITableViewCell *cell=[tableView dequeueReusableCellWithIdentifier:cellIdentifier];
    if (cell==nil) {
        cell=[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];
        [self.categoryTable flashScrollIndicators];
        cell.textLabel.font=[UIFont fontWithName:OPEN_SANS size:16.0];
        cell.backgroundColor=[UIColor clearColor]; }

我也通过Content View试过如下

UIImageView *bgView = [[UIImageView alloc]initWithFrame:CGRectMake(cell.frame.size.width/2, 0, cell.frame.size.width/2, cell.frame.size.height)];
if([[self.categories objectAtIndex:indexPath.section] isKindOfClass:[SpecialPagesCategory class]]) {
           cell.backgroundColor=[UIColor whiteColor];
           bgView.image = [UIImage imageNamed:@"fbBtn.png"];
           [cell.contentView addSubview: bgView];
       } else {
           cell.backgroundColor=[UIColor clearColor];
           bgView.image = nil;
           [cell.contentView addSubview: bgView];
       }

“内容 View ”的问题是不满足 if 条件的单元格不会删除 ImageView

Answer 1

创建 ImageView 并将其作为 subview 添加到单元格，它将起作用。

UIImageView *imgView=[[UIImageView alloc] initWithFrame:CGRectMake(20, 0, 50, 50)];// Your specification


 imgView.backgroundColor=[UIColor clearColor];
 [imgView.layer setCornerRadius:5.0f];
 [imgView.layer setMasksToBounds:YES];
 [imgView setImage:[UIImage imageWithData: imageData]];
 [  cell.contentView addSubview:imgView];