Android Network judgment

Package Cn.hackcoder.beautyreader.broadcast;import Android.content.broadcastreceiver;import Android.content.context;import Android.content.intent;import Android.net.connectivitymanager;import Android.util.log;import Android.widget.toast;import Cn.hackcoder.beautyreader.activity.base.baseactivity;import Cn.hackcoder.beautyreader.utils.networkutils;public class Networkstatusreceiver extends Broadcastreceiver {    Public Networkstatusreceiver () {    }    @Override public    void OnReceive (context context, Intent Intent) {        String action = Intent.getaction ();        if (Action.equals (connectivitymanager.connectivity_action)) {            Toast.maketext (context, "network changed", Toast.length_long). Show ();            baseactivity.isnetworkconnected = Networkutils.getapntype (context) >0;        }}    }

 Package Cn.hackcoder.beautyreader.utils;import Android.content.context;import Android.net.ConnectivityManager; Import Android.net.networkinfo;import android.telephony.telephonymanager;/** * Created by Hackcoder on 15-1-25.& Nbsp;*/public class Networkutils {   /**     * Determine if there is an Internet connection      * @param context&nbs P    * @return      */    public static Boolean isnetworkconnected (context context) {&nbs P       if (context! = null) {            Connectivitymanager Mconnectivitymana GER = (Connectivitymanager) context                    Getsystemservice (context.connectivity_service);            Networkinfo mnetworkinfo = Mconnectivitymanager.getactivenetworkinfo ();            if (mnetworkinfo! = null) {  & nbsp             return mNeTworkinfo.isavailable ();           }       }      &NBSP ; Return false;   }   /**     * determine if WiFi network is available      * @param context     * @return      */    public static Boolean iswificonnected (context context) {  & nbsp     if (context! = null) {            Connectivitymanager Mconnectivitymanager = ( Connectivitymanager) context                    Getsystemservice (Conte Xt. Connectivity_service);            Networkinfo mwifinetworkinfo = Mconnectivitymanager                     Getnetworkinfo (Connectivitymanager.type_wifi), & nbsp           if (mwifinetworkinfo! = null) {                Return mwifinetworkInfo.isavailable ();           }       }        RET Urn false;   }   /**     * determine if mobile network is available      * @param context  & nbsp  * @return      */    public static Boolean ismobileconnected (context context) {  &nbsp ;     if (context! = null) {            Connectivitymanager Mconnectivitymanager = ( Connectivitymanager) context                    Getsystemservice (Conte Xt. Connectivity_service);            Networkinfo mmobilenetworkinfo = mconnectivitymanager& nbsp                   Getnetworkinfo (connectivitymanager.type_mobile);  & nbsp         if (mmobilenetworkinfo! = null) {                Retur N MmobileNetworkinfo.isavailable ();           }       }      &NB Sp  Return false;   }   /**     * Get the type information for the current network connection      * @param context     * @return      */    public static int Getconnectedtype (context context) {  &NB Sp     if (context! = null) {            Connectivitymanager Mconnectivitymanager = ( Connectivitymanager) context                    Getsystemservice (Conte Xt. Connectivity_service);            Networkinfo mnetworkinfo = Mconnectivitymanager.getactivenetworkinfo ();            if (mnetworkinfo! = null & & Mnetworkinfo.isavailable ()) {                return Mnetworkinfo.gettype ();            }  &NBsp    }        return-1;   }   /**     * get current network status: No network 0:wifi Network 1:3g Network 2:2g network 3     *     * @param context     * @return      */    public static int Getapntype (context context) {        int netType = 0;  &N Bsp     Connectivitymanager connmgr = (connectivitymanager) context                Getsystemservice (Context.connectivity_service);        Networkinfo networkinfo = Connmgr.getactivenetworkinfo ();        if (networkinfo = = null) {          &N Bsp Return nettype;       }        int nType = Networkinfo.gettype ();    &N Bsp   if (NType = = Connectivitymanager.type_wifi) {            NetType = 1;//wifi  &n Bsp     } else if (NType = = connectivitymanager.type_mobile) {            int nsubtype = Networkinf O.getsubtype ();            Telephonymanager mtelephony = (telephonymanager) context  & nbsp                 Getsystemservice (context.telephony_service);            if (Nsubtype = = telephonymanager.network_type_umts            &N Bsp       &&!mtelephony.isnetworkroaming ()) {                N Ettype = 2;//3g           } else {                NetType = 3;//2g           }       }        retur n nettype;   }}

Registered:

      <receiver            android:name= ". Broadcast. Networkstatusreceiver "            android:enabled=" true "            android:exported=" true ">            <intent-filter>                <action android:name= "Android.net.conn.CONNECTIVITY_CHANGE"/>            </intent-filter>        </ Receiver>

Android Network judgment