NetworkInfo.State
import android.net.ConnectivityManager; import android.net.NetworkInfo; class Main { public static boolean checkInternet(Object systemService) { ConnectivityManager connect = (ConnectivityManager) systemService; if (connect.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED || connect.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED) { return true; } return false; } }