UITableViewCell 中的圆形图片 [英] Circular Image in UITableViewCell

问题描述

我正在尝试在我的 TableViewCell 中创建圆形图像，但出了点问题.我猜想cornerRadius 太大了，因为此代码没有显示任何图像.例如，如果我将 cornerRadius 设置为 30，我可以看到圆形但不是清晰圆圈的图像.为什么这不起作用?

I'm trying to create circular Images inside of my TableViewCell but something is going wrong. I guess that the cornerRadius is to big because there is not any Image displayed with this Code. If I set the cornerRadius on 30 for example, I can see the Images rounded but not in a clear circle .Why is this not working ?

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

    var cell = tableView.dequeueReusableCell(withIdentifier: "QuestionLine")
    cell = UITableViewCell(style: .subtitle, reuseIdentifier: "QuestionLine")


    let user = users[indexPath.row]
     cell?.textLabel?.text = user.question
     cell?.detailTextLabel?.text = user.name

     let image = UIImage(named: user.profilePicture)
     cell?.imageView?.image = image
     cell?.imageView?.layer.cornerRadius = (image?.size.width)! / 2
     cell?.imageView?.clipsToBounds = true

    return cell!

}

推荐答案

试试这个代码

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

    var cell = tableView.dequeueReusableCell(withIdentifier: "QuestionLine")
    cell = UITableViewCell(style: .subtitle, reuseIdentifier: "QuestionLine")


    let user = users[indexPath.row]
    cell?.textLabel?.text = user.question
    cell?.detailTextLabel?.text = user.name

    let image = UIImage(named: user.profilePicture)
    cell?.imageView?.image = image

    cell?.imageView?.layer.cornerRadius = (cell?.imageView?.frame.size.width)! / 2
    cell?.imageView?.layer.masksToBounds = true
    cell?.imageView?.layer.borderColor = colour.cgColor
    cell?.imageView?.layer.borderWidth = 1

    return cell!
}

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