Android Current network connection type judging

 Packagenet.nyist.netState; ImportAndroid.content.Context; ImportAndroid.net.ConnectivityManager; ImportAndroid.net.NetworkInfo; /**@author* This is a tool class to judge the current network status **/   Public classNetstate {/**      *       * @returnwhether there is an active network connection*/       Public Final Booleanhasnetworkconnection (Context context) {//Get connection Activity manager        FinalConnectivitymanager connectivitymanager=(Connectivitymanager) context.          Getsystemservice (Context.connectivity_service); //Get link Network information        FinalNetworkinfo networkinfo=Connectivitymanager.getactivenetworkinfo (); return(networkinfo!=NULL&&networkinfo.isavailable ()); }      /**      * @returnReturns a Boolean, whether it is a WiFi network **/       Public Final Booleanhaswificonnection (Context context) {FinalConnectivitymanager connectivitymanager=(Connectivitymanager) context.          Getsystemservice (Context.connectivity_service); FinalNetworkinfo networkinfo=Connectivitymanager.getnetworkinfo (Connectivitymanager.type_wifi); //whether there is a network and is already connected        return(networkinfo!=NULL&&networkinfo.isconnectedorconnecting ()); }            /**      * @returnreturns a Boolean that determines whether the network is available, whether it is a mobile network **/             Public Final Booleanhasgprsconnection (Context context) {//Get active Connection Manager        FinalConnectivitymanager connectivitymanager=(Connectivitymanager) context.          Getsystemservice (Context.connectivity_service); FinalNetworkinfo networkinfo=Connectivitymanager.getnetworkinfo (Connectivitymanager.type_mobile); return(networkinfo!=NULL&&networkinfo.isavailable ()); }      /**      * @returndetermine if the network is available and return the network type, Connectivitymanager.type_wifi,connectivitymanager.type_mobile, unavailable return-1*/       Public Static Final intGetnetworkconnectiontype (Context context) {FinalConnectivitymanager connectivitymanager=(Connectivitymanager) context.          Getsystemservice (Context.connectivity_service); FinalNetworkinfo wifinetworkinfo=Connectivitymanager.getnetworkinfo (Connectivitymanager.type_wifi); FinalNetworkinfo mobilenetworkinfo=Connectivitymanager.getnetworkinfo (Connectivitymanager.type_mobile); if(wifinetworkinfo!=NULL&&wifinetworkinfo.isavailable ()) {              returnConnectivitymanager.type_wifi; }          Else if(mobilenetworkinfo!=NULL&&mobilenetworkinfo.isavailable ()) {              returnConnectivitymanager.type_mobile; }          Else {              return-1; }                          }        }

Android Current network connection type judging