Want to implement a listener which will receive notifications on bearer changes, i.e. when the connection switches from 4G to 3G or 2G and vice-versa. Also when the network provider changes, e.g. when the device is in roaming, it may change provider from A to B and C.
Through reachability API's we can detect when the device switches from Wifi to WWAN and vice-versa. for reference
Through the api's provided in CoreTelephony , I can query for the types like the provided name and the current radioAccesstype.
What I am looking for is if there is a way by which I get notified when there is change related to the above cases so that I can perform the required operations instead of me having to query the CoreTelephony api's after some particular time interval.
