辅助功能accessibilityDecrement（）未被调用

Question

为什么在执行适当的手势时，我的自定义UITextView中没有调用accessibilityDecrement（）和accessibilityIncrement（）？

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Answer 1

尝试：

isAccessibilityElement = true

accessibilityTraits = super.accessibilityTraits | UIAccessibilityTraitAdjustable

Answer 2

My bad. Turns out I had forgotten that I was setting textView.accessibilityTraits = UIAccessibilityTraitStaticText in the ViewController.viewDidLoad. Duhh...