Android determines network connection, SIM card information, and whether the ping operation is connected properly

  //determine if the WiFi connection is     public boolean iswificonnected (Context context )  {        if  (context != null)  {             connectivitymanager mconnectivitymanager  =  (Connectivitymanager)  context                     .getsystemservice (Context.CONNECTIVITY_SERVICE);             networkinfo mwifinetworkinfo  = mConnectivityManager                     .getnetworkinfo (Connectivitymanager.type_wifi);             if  (mwifinetworkinfo != null)   {     &NBsp;          return mwifinetworkinfo.isavailable ();             }         }        return false;    }     //determine if the network connection is normal     public boolean isnetworkconnected (Context  context)  {        if  (context != null)   {            connectivitymanager  mconnectivitymanager =  (Connectivitymanager)  context                     .getsystemservice ( Context.connectivity_service);             Networkinfo mnetworkinfo = mconnectivitymanager                     .getactivenetworkinfo ();             if  (mnetworkinfo != null)  {                 return mnetworkinfo.isavailable ();             }        }         return false;    }    / /Determine network connection type     public static int getconnectedtype (context context)   {        if  (context != null)  {             connectivitymanager mconnectivitymanager =   (Connectivitymanager)  context                     .getsystemservice (Context.connectivity_service);             NetworkInfo mNetworkInfo = mConnectivityManager                     . Getactivenetworkinfo ();            if  ( Mnetworkinfo != null && mnetworkinfo.isavailable ())  {                 return mnetworkinfo.gettype ();             }         }        return -1;    }          //Determine the SIM card type of the mobile phone     public static string get (Context  Context)  {        TelephonyManager telManager =  ( Telephonymanager)  context                 .getsystemservice (Context.telephony_service);         string operator = telmanager.getsimoperator ();         if  (operator != null)  {             if  (Operator.equals ("46000")  | |  operator.equals ("46002"))  {                 //  China Mobile                  return  "Move";             } else if  (Operator.equals ("46001"))  {                 return  "Unicom";                 //  China Unicom              } else if  (Operator.equals ("46003") )  {                return   "Telecommunications";                 //   China Telecom             }         }        return  "";     }      //determine whether the phone can be normal internet   ping,  even if the phone is connected to the WiFi (hotspot no internet), mobile phone or not online     &nBsp;private static final boolean ping ()  {          string result = null;         try  {         String ip =  "www.baidu.com";//   Unless Baidu hangs, otherwise use this should be no problem ~         process p =  Runtime.getruntime (). EXEC ("ping -c 3 -w 100 "  + ip)//ping3 times           //  read the contents of ping without adding.          inputstream input = p.getinputstream ();          BufferedReader in = new  BufferedReader (New inputstreamreader (input));          Stringbuffer stringbuffer = new stringbuffer ();          string content =  "";          while  ((Content = in.readline ())  != null)  {          stringbuffer.append (content);          }          LOG.I ("TTT",  "result content : "  + stringbuffer.tostring ());         // ping status          int status = p.waitfor ();         if  (status == 0)  {         result =  "successful~";        return true;         } else {        result  =  "failed~ Cannot reach the ip address ";        }          } catch  (ioexception e)  {              result =  "Failed~ ioexception";              } catch  ( Interruptedexception e)  {              result =  "Failed~ interruptedexception";              } finally {              LOG.I ("TTT",  "result = "  + result);              }              return false;             } 

Can be used in combination with the above methods to achieve their own needs. The first blog post!!!!!!

Good Kai Sen!!!!!!!!! There's wood and!!!!!!!!!!!!!!!!!!!!. Ah, haha,!!!!!!!. Will someone find me/doubt/nose