VoiceOver: how to implement button that behaves like keys in Calculator
问题 When you focus on a digit key in the Calculator app when using VoiceOver (either by tapping it once, sliding a finger over it, or by swiping left/right to it), VoiceOver announces the button title. Then if you "activate" the button by double tapping, it presses the button and VoiceOver announces the character that was inserted into the Calculator display with a higher pitch than the button title announcement. My question is: how can I get the same behavior for buttons in my app - repeat the