Question

can I check programmaticall wheter the android device has tethering activated?

I just watched the WifiManager class. All vatraibles from the WifiInfo show the same values as iff the WIFI is turned off on the device.

Thnaks,
best regards

Answer 1

Try using reflection, like so:

WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
Method[] wmMethods = wifi.getClass().getDeclaredMethods();
for(Method method: wmMethods){
if(method.getName().equals("isWifiApEnabled")) {

try {
  method.invoke(wifi);
} catch (IllegalArgumentException e) {
  e.printStackTrace();
} catch (IllegalAccessException e) {
  e.printStackTrace();
} catch (InvocationTargetException e) {
  e.printStackTrace();
}
}

(It returns a Boolean)

---

As Dennis suggested it is better to use this :

    final Method method = manager.getClass().getDeclaredMethod("isWifiApEnabled");
    method.setAccessible(true); //in the case of visibility change in future APIs
    return (Boolean) method.invoke(manager);

(manager is the WiFiManager)