How do you get the current DNS servers for Android?

Question

I\'m trying to get hold of the addresses to the currently used DNS servers in my application, either I\'m connected thru Wifi or mobile. The DhcpInfo object should provide t

Answer 1

Calling for the getRuntime().exec can hang your application.

android.net.NetworkUtils.runDhcp() cause unnecessary network requests.

So I prefer to do this:

Class SystemProperties = Class.forName("android.os.SystemProperties");
Method method = SystemProperties.getMethod("get", new Class[] { String.class });
ArrayList servers = new ArrayList();
for (String name : new String[] { "net.dns1", "net.dns2", "net.dns3", "net.dns4", }) {
    String value = (String) method.invoke(null, name);
    if (value != null && !"".equals(value) && !servers.contains(value))
        servers.add(value);
}