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I'm trying to get voiceover to announce accessibility label for UIActivityViewController (for a share sheet that pops up on clicking share button) before the focus goes to one of activity items inside the UIActivityViewController. In order to achieve the above behavior, I'm just assigning accessibilityLabel for UIActivityViewController's view. But looks like I'm not able to override the default accessibility implementation of UIActivityViewController. Is there any way we could override the existing accessibility behavior of UIActivityViewController and announce accessibility label for share options? Thanks in advance!!

Voiceover of UIAlertController by default announces title's accessibilityTrait as static text. I'm trying to change the accessibilityTrait to be of type header and can't seem to have a direct way to access title label and modify the attribute. Only solution seems to be to add custom label to be able to modify accessibilityTrait. Now, this got me wondering should the default behavior of UIAlertController be left untouched? Have anyone else tried to do this? And, is there any other way to customize accessibilityTrait of UIAlertController title label that I'm missing out on? Thanks in advance.