检测3G或WiFi网络恢复
-
12-10-2019 - |
题
是否可以实现PhonEstateListener(或任何其他机制)来检测3G或WiFi网络连接何时恢复?
我在API的摘要中看到了lister_data_connection_state_state_state和calling_data_activity say(蜂窝)。这仅意味着3G?
谢谢
解决方案
更好的方法是使用android.net.connectivityManager类。注册接收器并监视广播。
private class ConnectionMonitor extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (!action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
return;
}
boolean noConnectivity = intent.getBooleanExtra(
ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);
NetworkInfo aNetworkInfo = (NetworkInfo) intent
.getParcelableExtra(ConnectivityManager.EXTRA_NETWORK_INFO);
if (!noConnectivity) {
if ((aNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE)
|| (aNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI)) {
// Handle connected case
}
} else {
if ((aNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE)
|| (aNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI)) {
// Handle disconnected case
}
}
}
}
private synchronized void startMonitoringConnection() {
IntentFilter aFilter = new IntentFilter(
ConnectivityManager.CONNECTIVITY_ACTION);
registerReceiver(mConnectionReceiver, aFilter);
}
private synchronized void stopMonitoringConnection() {
unregisterReceiver(mConnectionReceiver);
}
在哪里
mConnectionReceiver = new ConnectionMonitor();
不隶属于 StackOverflow