监听网络状态变化

最新推荐文章于 2025-07-23 16:59:35 发布

转载最新推荐文章于 2025-07-23 16:59:35 发布 · 686 阅读

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private

ConnectivityManager mConnectivityManager; 

 private

NetworkInfo netInfo; 

/////////////监听网络状态变化的广播接收器 

 private

BroadcastReceiver myNetReceiver = new

BroadcastReceiver() { 

 @Override 

 public

void 
onReceive(Context context, Intent intent) { 

  String
 action = intent.getAction(); 

        if

(action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) { 

            mConnectivityManager
 = (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); 

            netInfo
 = mConnectivityManager.getActiveNetworkInfo();   

            if(netInfo
 != null

&& netInfo.isAvailable()) { 

                 /////////////网络连接 

                String
 name = netInfo.getTypeName(); 

                if(netInfo.getType()==ConnectivityManager.TYPE_WIFI){ 

                 /////WiFi网络 

                }else

if(netInfo.getType()==ConnectivityManager.TYPE_ETHERNET){ 

                /////有线网络 

                }else

if(netInfo.getType()==ConnectivityManager.TYPE_MOBILE){ 

               /////////3g网络 

                } 

              } else

{ 

             ////////网络断开 

            } 

        } 

   }  

   };  

/////////动态注册广播 

       IntentFilter
 mFilter = new

IntentFilter(); 

       mFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); 

       registerReceiver(myNetReceiver,
 mFilter); 

/////////解除广播 

    if(myNetReceiver!=null){ 

            unregisterReceiver(myNetReceiver); 

        }