public class NetworkConnectChangedReceiver extends BroadcastReceiver{@Overridepublic void onReceive(Context context, Intent intent) {if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {//这个监听wifi的打开与关闭，与wifi的连接无关 int wifiState = intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, 0); LogTag.showTAG_e("WIFI状态", "wifiState"+wifiState); switch (wifiState) { case WifiManager.WIFI_STATE_DISABLED: break; case WifiManager.WIFI_STATE_DISABLING: break; //... } }// 这个监听wifi的连接状态即是否连上了一个有效无线路由，当上边广播的状态是WifiManager.WIFI_STATE_DISABLING，和WIFI_STATE_DISABLED的时候，根本不会接到这个广播。// 在上边广播接到广播是WifiManager.WIFI_STATE_ENABLED状态的同时也会接到这个广播，当然刚打开wifi肯定还没有连接到有效的无线if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) { Parcelable parcelableExtra = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); if (null != parcelableExtra) { NetworkInfo networkInfo = (NetworkInfo) parcelableExtra; State state = networkInfo.getState(); boolean isConnected = state==State.CONNECTED;//当然，这边可以更精确的确定状态 LogTag.showTAG_e(this.getClass().getSimpleName(), "isConnected"+isConnected); if(isConnected){ }else{ } } }//这个监听网络连接的设置，包括wifi和移动数据的打开和关闭。. //最好用的还是这个监听。wifi如果打开，关闭，以及连接上可用的连接都会接到监听。见log // 这个广播的最大弊端是比上边两个广播的反应要慢，如果只是要监听wifi，我觉得还是用上边两个配合比较合适if(ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())){NetworkInfo info = intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);if (info != null) {LogTag.showTAG_e("CONNECTIVITY_ACTION", "info.getTypeName()"+info.getTypeName());LogTag.showTAG_e("CONNECTIVITY_ACTION", "getSubtypeName()"+info.getSubtypeName());LogTag.showTAG_e("CONNECTIVITY_ACTION", "getState()"+info.getState());LogTag.showTAG_e("CONNECTIVITY_ACTION", "getDetailedState()"+info.getDetailedState().name());LogTag.showTAG_e("CONNECTIVITY_ACTION", "getDetailedState()"+info.getExtraInfo());LogTag.showTAG_e("CONNECTIVITY_ACTION", "getType()"+info.getType());} }/**08-29 19:51:30.366: E/CONNECTIVITY_ACTION(16920): ========info.getTypeName()WIFI=============08-29 19:51:30.366: E/CONNECTIVITY_ACTION(16920): ========getSubtypeName()=============08-29 19:51:30.366: E/CONNECTIVITY_ACTION(16920): ========getState()DISCONNECTED=============08-29 19:51:30.366: E/CONNECTIVITY_ACTION(16920): ========getDetailedState()DISCONNECTED=============08-29 19:51:30.366: E/CONNECTIVITY_ACTION(16920): ========getDetailedState()null=============08-29 19:51:30.366: E/CONNECTIVITY_ACTION(16920): ========getType()1=============---------------08-29 19:52:35.757: E/CONNECTIVITY_ACTION(16920): ========info.getTypeName()mobile=============08-29 19:52:35.757: E/CONNECTIVITY_ACTION(16920): ========getSubtypeName()HSPA=============08-29 19:52:35.757: E/CONNECTIVITY_ACTION(16920): ========getState()CONNECTED=============08-29 19:52:35.757: E/CONNECTIVITY_ACTION(16920): ========getDetailedState()CONNECTED=============08-29 19:52:35.757: E/CONNECTIVITY_ACTION(16920): ========getDetailedState()3gnet=============08-29 19:52:35.757: E/CONNECTIVITY_ACTION(16920): ========getType()0============= */}}
最终监听wifi提示的代码
if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) {// 这个监听wifi的连接状态 Parcelable parcelableExtra = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO); if (null != parcelableExtra) { NetworkInfo networkInfo = (NetworkInfo) parcelableExtra; State state = networkInfo.getState(); if(state==State.CONNECTED){ showWifiCconnected(context); } /**else if(state==State.DISCONNECTED){ showWifiDisconnected(context); }*///昨天写的这个方法，在坐地铁的时候发现，如果地铁上有无效的wifi站点，手机会自动连接，但是连接失败后还是会接到广播，所以不能用了 } }if(ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())){//这个监听网络连接的设置，包括wifi和移动数据 的打开和关闭NetworkInfo info = intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);if (info != null) {if(NetworkInfo.State.CONNECTED==info.getState()){Intent pushIntent = new Intent();pushIntent.setClass(context, NotificationService.class);}else if(info.getType()==1){ if(NetworkInfo.State.DISCONNECTING==info.getState()) showWifiDisconnected(context);}} } }
打开和关闭2g/3g网络，以及wifi收到的日志信息
2g打开情况，关闭wifi
07-10 20:30:57.764: I/System.out(24781): NetworkInfo: type: WIFI[], state: DISCONNECTED/DISCONNECTED, reason: (unspecified), extra: (none), roaming: false, failover: false, isAvailable: false
07-10 20:31:00.460: I/System.out(24781): NetworkInfo: type: mobile[HSPA], state: CONNECTED/CONNECTED, reason: apnSwitched, extra: 3gnet, roaming: false, failover: false, isAvailable: true
wifi关闭情况，关闭2g
07-10 20:31:11.366: I/System.out(24781): NetworkInfo: type: mobile[HSPA], state: DISCONNECTED/DISCONNECTED, reason: dataDisabled, extra: 3gnet, roaming: false, failover: false, isAvailable: true
wifi关闭情况，打开2g
07-10 20:33:10.913: I/System.out(24781): NetworkInfo: type: mobile[HSPA], state: CONNECTED/CONNECTED, reason: apnSwitched, extra: 3gnet, roaming: false, failover: false, isAvailable: true
2G打开情况，打开wifi
07-10 20:33:43.764: I/System.out(24781): NetworkInfo: type: WIFI[], state: CONNECTED/CONNECTED, reason: (unspecified), extra: (none), roaming: false, failover: false, isAvailable: true
07-10 20:33:44.272: I/System.out(24781): NetworkInfo: type: mobile[HSPA], state: DISCONNECTED/DISCONNECTED, reason: dataDisabled, extra: 3gnet, roaming: false, failover: false, isAvailable: true
07-10 20:33:44.569: I/System.out(24781): NetworkInfo: type: WIFI[], state: CONNECTED/CONNECTED, reason: (unspecified), extra: (none), roaming: false, failover: false, isAvailable: true
wifi 打开情况，关闭2g
无
2g关闭情况，关闭wifi
07-10 20:36:00.702: I/System.out(24781): NetworkInfo: type: WIFI[], state: DISCONNECTED/DISCONNECTED, reason: (unspecified), extra: (none), roaming: false, failover: false, isAvailable: false
2G关闭情况，打开wifi
07-10 20:38:31.632: I/System.out(25310): NetworkInfo: type: WIFI[], state: CONNECTED/CONNECTED, reason: (unspecified), extra: (none), roaming: false, failover: false, isAvailable: true info.getType 1