getActiveNetworkInfo() is deprecated in API 29 [duplicate]

Answer 1

You can find all the info in the official doc

This class was deprecated in API level 29.
Callers should instead use the ConnectivityManager.NetworkCallback API to learn about connectivity changes, or switch to use ConnectivityManager#getNetworkCapabilities or ConnectivityManager#getLinkProperties to get information synchronously. Keep in m`ind that while callbacks are guaranteed to be called for every event in order, synchronous calls have no such constraints, and as such it is unadvisable to use the synchronous methods inside the callbacks as they will often not offer a view of networking that is consistent (that is: they may return a past or a future state with respect to the event being processed by the callback). Instead, callers are advised to only use the arguments of the callbacks, possibly memorizing the specific bits of information they need to keep from one callback to another.

You can use something like:

if (connectivityManager != null) {
    if (if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
       NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(connectivityManager.getActiveNetwork());
       if (capabilities != null) {
           if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
               //...
           }
       }
   } else {
     // current code
   }
}