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[英]How to detect when user connects to wifi or mobile internet in android
[英]How to detect when user turn one wifi connection to other wifi?
我有WiFi连接检测问题。 我的目标是检测用户何时在不同的WiFi之间切换。 我找到了 ,但是它只能检测到何时建立了WiFi。 就我而言,我需要知道一个WiFi网络何时通过电话更改为另一个WiFi网络。
您可以使用BroadcastReceiver
public class ConnectivityReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
ConnectivityManager conMan = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = conMan.getActiveNetworkInfo();
if(intent.getAction().equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) {
if(netInfo.isConnected()) {
WifiManager wifiManager = (WifiManager) context.getAplicationContext().getSystemService (Context.WIFI_SERVICE);
WifiInfo info = wifiManager.getConnectionInfo ();
String ssid = info.getSSID();
Log.d("Wifi Connected", "Wifi name is "+ info.getSSID());
}
}
}
}
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