Some common functions of Android to Judge network status

Determines whether there is a network connection public static Boolean isnetworkconnected (context context) {if (context! = null) {Co Nnectivitymanager Mconnectivitymanager = (connectivitymanager) context. Getsystemservice (Context.connec            Tivity_service);            Networkinfo mnetworkinfo = Mconnectivitymanager.getactivenetworkinfo ();            if (mnetworkinfo! = null) {return mnetworkinfo.isavailable ();    }} return false;            }//Determine if the WiFi network is available public static Boolean iswificonnected (context context) {if (context! = null) { Connectivitymanager Mconnectivitymanager = (connectivitymanager) context. Getsystemservice (context.c            Onnectivity_service);            Networkinfo mwifinetworkinfo = Mconnectivitymanager. Getnetworkinfo (Connectivitymanager.type_wifi);            if (mwifinetworkinfo! = null) {return mwifinetworkinfo.isavailable ();       }        } return false;            }//Determine if the mobile network is available public static Boolean ismobileconnected (context context) {if (context! = null) { Connectivitymanager Mconnectivitymanager = (connectivitymanager) context. Getsystemservice (Conte Xt.            Connectivity_service);             Networkinfo mmobilenetworkinfo = Mconnectivitymanager. Getnetworkinfo (Connectivitymanager.type_mobile);            if (mmobilenetworkinfo! = null) {return mmobilenetworkinfo.isavailable ();    }} return false;            }//Gets the type information of the current network connection public static int Getconnectedtype (context context) {if (context! = null) { Connectivitymanager Mconnectivitymanager = (connectivitymanager) context. Getsystemservice (Context.con            Nectivity_service);            Networkinfo mnetworkinfo = Mconnectivitymanager.getactivenetworkinfo ();        if (mnetworkinfo! = null && mnetworkinfo.isavailable ()) {        return Mnetworkinfo.gettype ();    }} return-1; }

Some common functions of Android to Judge network status