packagecom.mcj.utilset.android;importandroid.content.BroadcastReceiver;importandroid.content.Context;importandroid.content.Intent;importandroid.ConnectivityManager;importandroidworkInfo;/***网络连接状态变更广播监听器，其感兴趣action为ConnectivityManager.CONNECTIVITY_ACTION，*主要用于实时更新网络连接状态。注意添加权限android.permission.ACCESS_NETWORK_STATE。*强烈建议在代码中进行BroadcastReceiver注册。**@author马陈杰*@since2014.8.26*@version1.0*/publicclassWifiMonitorReceiverextendsBroadcastReceiver{publicstaticfinalStringACTIVITY_NETWORK_TYPE_WIFI="WIFI";//当前正在使用WIFI作为数据传输publicstaticfinalStringACTIVITY_NETWORK_TYPE_MOBILE="MOBILE";//当前正在使用GPRS作为数据传输publicstaticfinalStringACTIVITY_NETWORK_TYPE_NONE="NONE";//当前没有正在使用的数据连接publicstaticbooleanwifiNetworkIsConnected=false;//WIFI连接状态publicstaticbooleanmobileNetworkIsConnected=false;//GPRS连接状态publicstaticStringactiveNetworkType=ACTIVITY_NETWORK_TYPE_NONE;//当前正在使用的数据传输类型privateOnNetworkChangedListenerlistener;publicWifiMonitorReceiver(){super();}publicWifiMonitorReceiver(OnNetworkChangedListenerlistener){super();this.listener=listener;}@OverridepublicvoidonReceive(Contextcontext,Intentintent){if(ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())){refreshNetworkState(context);if(listener!=null)listener.doOnNetworkChanged(wifiNetworkIsConnected,mobileNetworkIsConnected,activeNetworkType);}}/***更新网络连接状态**@paramcontext*/privatevoidrefreshNetworkState(Contextcontext){ConnectivityManagerconnManager=(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);NetworkInfoactiveNetworkInfo=connManager.getActiveNetworkInfo();//更新当前数据传输类型if(activeNetworkInfo!=null)activeNetworkType=activeNetworkInfo.getTypeName();elseactiveNetworkType=ACTIVITY_NETWORK_TYPE_NONE;NetworkInfowifiNetworkInfo=connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);NetworkInfomobileNetworkInfo=connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);//更新WIFI连接状态if(wifiNetworkInfo.isConnected())wifiNetworkIsConnected=true;elsewifiNetworkIsConnected=false;//更新GPRS连接状态if(mobileNetworkInfo.isConnected())mobileNetworkIsConnected=true;elsemobileNetworkIsConnected=false;}/***网络状态变更事件**@author马陈杰*@since2014.8.26**/publicinterfaceOnNetworkChangedListener{/***网络状态变更时被调用**@paramwifiNetworkIsConnected*WIFI是否连接*@parammobileNetworkIsConnected*GPRS是否连接*@paramactiveNetworkType*当前数据传输类型，见ACTIVITY_NETWORK_TYPE_*/publicvoiddoOnNetworkChanged(booleanwifiNetworkIsConnected,booleanmobileNetworkIsConnected,StringactiveNetworkType);}}