In Apple Maps this Alert comes up when you disable wifi and turn on Cellar Data. How can I implement this Alert in my own Application?

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This alert message is popped up when Wi-Fi is OFF.
Use Apple Reachability codes to determine the network type. If not Wi-Fi, prompt this message. However, Reachability can only determine you have Wi-Fi network connectivity, instead of Wi-Fi is ON or OFF.
Location accuracy requires Wi-Fi is ON, but not necessarily it is connected to a Wi-Fi hotspot.
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