你可以编写自己的BroadcastReceiver。您的接收器将接收连接的变化,并告知您需要的情况下对变化(例如自己CommunicationManager):
public class ConnectivityReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Log.i(getClass().getName(), "A change in network connectivity has occurred. Notifying communication manager for further action.");
NetworkInfo info = intent.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
if(info != null) {
Log.v(getClass().getName(), "Reported connectivity status is " + info.getState() + ".");
}
CommunicationManager.updateConnectivityState(); // Notify connection manager
}
}
例如这里您CommunicationManager例如,将被通知连接的变化:
protected static void updateConnectivityState()
{
boolean isConnected = false;
if (_connec != null && (_connec.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED) ||(_connec.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED)){
isConnected = true;
Log.i(CommunicationManager.class.getName(), "Device is connected to the network. Online mode is available.");
}else if (_connec.getNetworkInfo(0).getState() == NetworkInfo.State.DISCONNECTED || _connec.getNetworkInfo(1).getState() == NetworkInfo.State.DISCONNECTED) {
isConnected = false;
Log.w(CommunicationManager.class.getName(), "Device is NOT connected to the network. Offline mode.");
}
_isConnected = isConnected;
}
请查看NetworkInfo类以获取有关连接可用性的更多详细信息。
不要忘了在你的清单中注册许可权在未经许可:
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
我希望这有助于。问候
为什么这是低调?有任何想法吗? – cbrulak 2012-08-09 03:06:16
可能因为ServiceState不是NetworkState。 ServiceState是电话无线电的状态,而NetworkState会为您提供数据连接的状态(可能是wifi,wimax ...即不是电话网络) – 2012-12-17 16:39:27