How to detect when the RPSystemBroadcastPickerView is tapped

Question

I am using RPSystemBroadcastPickerView to start a system-wide screen recording from my app. The RPSystemBroadcastPickerView is completely autonomou

Answer 1

I found similar solution to accepted answer, but you don't need to create transparent button.
I just add additional target-action pair to the picker button dispatch table, with #selector which will be fired, when button is pressed.

/// picker is an instance of RPSystemBroadcastPickerView
for subviews in picker.subviews {
    if let button = subviews as? UIButton {
        button.addTarget(self, action: #selector(pickerAction), for: .touchUpInside)
    }
}

/// You can also accept _ sender: UIButton as parameter, if you need to.
@objc func pickerAction() {
    /// called when user press on RPSystemBroadcastPickerView
}

Note: Keep in mind that, if Apple change hierarchy of this view in the future, you probably need to update application as well.