小编Md.*_*afi的帖子

我有一个UITextView. 我需要禁用滚动但保持多行启用。

textView.isScrollEnabled = false

也禁用多行。

有没有办法实现这一目标？

我正在从字符串生成条形码，然后尝试将此图像保存到 iPhone 照片库。这是我的代码：

@IBOutlet weak var uuidLabel: UILabel!
@IBOutlet weak var barcodeDisplay: UIImageView!

@IBAction func generateBarcode(_ sender: Any) {
    barcodeDisplay.image = generateBarcodeFromString(string: uuidLabel.text!)
    UIImageWriteToSavedPhotosAlbum(barcodeDisplay.image!, self, #selector(image(_:didFinishSavingWithError:contextInfo:)), nil)
}

@objc func image(_ image: UIImage, didFinishSavingWithError error: NSError?, contextInfo: UnsafeRawPointer) {
    if let error = error {
        let ac = UIAlertController(title: "Save error", message: error.localizedDescription, preferredStyle: .alert)
        ac.addAction(UIAlertAction(title: "OK", style: .default))
        present(ac, animated: true)
    } else {
        let ac = UIAlertController(title: "Saved!", message: "Your image has been saved to your photos.", preferredStyle: …