No need to be complex. The simplest and framework manner is to use ACCESS_NETWORK_STATE permission and just make a connected method
public boolean isOnline() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnectedOrConnecting();
}
You can also use requestRouteToHost if you have a particualr host and connection type (wifi/mobile) in mind.
You will also need:
in your android manifest.
for more detail go here
