iOS: Text disappearing from subclassed UITextfield when responder resigns

I am experiencing issues where the text I have input into a UITextField is disappearing whenever it is resigned as the first responder. When you tap back into the text field, the text re-appears. The UITextField subclass has nothing in it apart from a slight rounding to the corners. I will be adding more at a later date. Has anyone experienced issues like this before?

Here is my code. Like I said there is nothing in this subclass apart from the rounding of the corners. I will be putting code to add padding to the textfield later.

Code

import UIKit

class EVTextField: UITextField
{
  override func layoutSubviews()
  {
    layer.cornerRadius = 2.0
  }
}

Step by step guide to replicate

Tap on UITextField.

Enter text.

Either dismiss keyboard or tap into next UITextField.

Text seems to disappear in previously resigned UItextField.

Video Example

---

Found the problem, I had forgotten to call super.layoutSubviews() when rounding the corners of my UITextFields. Stupid mistake.

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请试试这个：

if (self.emailTextField.isFirstResponder) {
    [self.emailTextField resignFirstResponder];
}

if (self.passwordTextField.isFirstResponder) {
    [self.passwordTextField resignFirstResponder];
}

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