Obter SSID da rede WiFi desconectada no Android usando o BroadcastReceiver?
Eu tenho o seguinte BroadcastRecevier:
public class WiFiConnectionEventsReceiver extends BroadcastReceiver {
private static final String TAG = WiFiConnectionEventsReceiver.class.getSimpleName();
@Override
public void onReceive(Context context, @NonNull Intent intent) {
Log.v(TAG, "action: " + intent.getAction());
Log.v(TAG, "component: " + intent.getComponent());
Bundle extras = intent.getExtras();
if (extras != null) {
for (String key : extras.keySet()) {
Log.v(TAG, "key [" + key + "]: " +
extras.get(key));
}
} else {
Log.v(TAG, "no extras");
}
ConnectivityManager conMan = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = conMan.getActiveNetworkInfo();
if (netInfo != null && netInfo.getType() == ConnectivityManager.TYPE_WIFI) {
Log.d("NetworkInfo", "Have Wifi Connection");
Log.d("NetworkInfo", netInfo.getExtraInfo());
Log.d("NetworkInfo", netInfo.getTypeName());
}
else {
Log.d("NetworkInfo", "Don't have Wifi Connection");
Log.d("NetworkInfo", netInfo.getExtraInfo());
Log.d("NetworkInfo", netInfo.getTypeName());
}
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
Log.d("WifiInfo", wifiManager.getConnectionInfo().toString());
}
}
Ele recebe eventos de conexão e desconexão de rede.
Quando ele se conecta a uma rede WiFi, eu consigo o SSID da rede facilmente.
Mas eu quero poder obter o SSID da rede Wi-Fi quando a rede também estiver desconectada (sem precisar armazenar redes conectadas anteriormente e depois combiná-las dessa maneira, etc.). Isso é possível?
Registra quando o WiFi se conecta:
V/WiFiConnectionEventsReceiver: action: android.net.conn.CONNECTIVITY_CHANGE
V/WiFiConnectionEventsReceiver: component: ComponentInfo{com.example.test/com.example.test.WiFiConnectionEventsReceiver}
V/WiFiConnectionEventsReceiver: key [networkInfo]: [type: WIFI[], state: CONNECTED/CONNECTED, reason: (unspecified), extra: "SKY123”, roaming: false, failover: false, isAvailable: true]
V/WiFiConnectionEventsReceiver: key [networkType]: 1
V/WiFiConnectionEventsReceiver: key [inetCondition]: 100
V/WiFiConnectionEventsReceiver: key [extraInfo]: "SKY123”
D/NetworkInfo: Have Wifi Connection
D/NetworkInfo: "SKY123”
D/NetworkInfo: WIFI
D/WifiInfo: SSID: SKY123, BSSID: 10:40:03:ad:6x:c9, MAC: 02:00:00:00:00:00, Supplicant state: COMPLETED, RSSI: -79, Link speed: 43Mbps, Frequency: 2412MHz, Net ID: 1, Metered hint: false, score: 60
Registra quando o WiFi é desconectado (observe o SSID desconhecido):
V/WiFiConnectionEventsReceiver: action: android.net.conn.CONNECTIVITY_CHANGE
V/WiFiConnectionEventsReceiver: component: ComponentInfo{com.example.test/com.example.test.WiFiConnectionEventsReceiver}
V/WiFiConnectionEventsReceiver: key [networkInfo]: [type: WIFI[], state: DISCONNECTED/DISCONNECTED, reason: (unspecified), extra: <unknown ssid>, roaming: false, failover: false, isAvailable: true]
V/WiFiConnectionEventsReceiver: key [networkType]: 1
V/WiFiConnectionEventsReceiver: key [inetCondition]: 0
V/WiFiConnectionEventsReceiver: key [extraInfo]: <unknown ssid>
V/WiFiConnectionEventsReceiver: key [noConnectivity]: true
D/NetworkInfo: Don't have Wifi Connection
D/NetworkInfo: id
D/NetworkInfo: MOBILE
D/WifiInfo: SSID: <unknown ssid>, BSSID: <none>, MAC: 02:00:00:00:00:00, Supplicant state: COMPLETED, RSSI: -127, Link speed: -1Mbps, Frequency: -1MHz, Net ID: -1, Metered hint: false, score: 0
A razão pela qual eu gostaria dessas informações é que desejo rastrear o uso de WiFi de um usuário em cada rede - os tempos de conexão e desconexão.
Sem o SSID da rede desconectada, a única maneira de pensar em fazer isso é algo como:
if (WiFi network ABC disconnected)
if (if previous stored connection for WiFi network ABC has no disconnection time)
set WiFI network ABC disconnection time to now
No entanto, a abordagem acima parece esquisita, por exemplo, e se por algum motivo um evento de desconexão de WiFi for perdido etc.