Keyboard pops up after UIAlertView is dismissed on iOS 8.3 for iPad

Question

With the latest iOS 8.3 release, our app starts to have a weird behavior.

After finishing textfield editing, the user can click the close button which brings up an

Answer 1

If anyone struggles with this, I hope this will help:

if (NSClassFromString(@"UIAlertController")) {
    UIAlertController* alert = ...
}
else {
    UIAlertView* alert = ...
}