Required Permissions

To access hotspot informatoin, declare the following permissions in your AndroidManifest.xml file:

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

Detecting Hotspot Conenction Status

Initialize a WifiManager instance to check if the device is connected to a hotspot:

WifiManager networkManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);

if (networkManager.isWifiApEnabled()) {
    // Device is connected to a hotspot
} else {
    // Device is not connected to a hotspot
}

Retrieving Hotspot Details

Once a hotspot connection is confirmed, obtain detailed information about the connectoin:

WifiInfo connectionDetails = networkManager.getConnectionInfo();
String networkSSID = connectionDetails.getSSID();
int signalStrength = connectionDetails.getRssi();