Android: Check if wifi is enabled and/or connected example

             ConnectivityManager conMan = (ConnectivityManager)

                           getSystemService(Context.CONNECTIVITY_SERVICE);

             //mobile

             State mobile = conMan.getNetworkInfo(0).getState();

             //wifi

             State wifi = conMan.getNetworkInfo(1).getState();

             if (mobile == NetworkInfo.State.CONNECTED

                           || mobile == NetworkInfo.State.CONNECTING) {

                 //mobile

             } else if (wifi == NetworkInfo.State.CONNECTED

                           || wifi == NetworkInfo.State.CONNECTING) {

                 //wifi

             }