How to detect WiFi tethering state

Question

I want to know how to detect state of WiFi tethering. I\'ve seen an article: Android 2.3 wifi hotspot API But it doesn\'t work! It returns always WIFI_AP_STATE_DISABLED = 1.

Answer 1

First, you need to get WifiManager:

Context context = ...
final WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);

Then:

public static boolean isSharingWiFi(final WifiManager manager)
{
    try
    {
        final Method method = manager.getClass().getDeclaredMethod("isWifiApEnabled");
        method.setAccessible(true); //in the case of visibility change in future APIs
        return (Boolean) method.invoke(manager);
    }
    catch (final Throwable ignored)
    {
    }

    return false;
}

Also you need to request a permission in AndroidManifest.xml: