android WIFI/2G/3G管理

android WIFI/2G/3G管理

public class ConnectivityTools {

         privateConnectivityManager connManager;

 

         publicConnectivityTools(Context context) {

                   super();

                   //TODO Auto-generated constructor stub

                   connManager= (ConnectivityManager) context

                                     .getSystemService(Context.CONNECTIVITY_SERVICE);

         }

 

         publicboolean isConnected() {

                   NetworkInfoinfo_mobile = connManager

                                     .getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

                   NetworkInfoinfo_wifi = connManager

                                     .getNetworkInfo(ConnectivityManager.TYPE_WIFI);

                   if(!info_mobile.isConnected() && !info_wifi.isConnected()) {

                            return false;

                   }

                   return true;

         }

}