title: Why the windows authentication works on emulator webview but not on device?
body: <p>All. I am working on web view based android application, and need to access one URL which has got windows authentication (Negotiate, NTLM) protected.
  I did some code and make it work on the emulator.
  But unfortunately, It doesn't work on devices.
  I tested with Samsung s8 (Android 9.0), Samsung Tab A (Android 8.1)</p>
  
  <p>Below is the code that I tried to integrate a web view on my application.
  As I mentioned, it correctly works on the emulator but not on a device</p>
  
  <pre><code>@Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
  
      mWebView = findViewById(R.id.activity_main_webview);
  
      // Enable Javascript
      WebSettings webSettings = mWebView.getSettings();
      webSettings.setJavaScriptEnabled(true);
      webSettings.setDomStorageEnabled(true);
      webSettings.setLoadWithOverviewMode(true);
      webSettings.setDefaultTextEncodingName("utf-8");
  
      // REMOTE RESOURCE
       mWebView.loadUrl("https://palmerston.wheelers.co/account/logon");
       mWebView.setWebViewClient(new MyWebViewClient());
  }
  
  
  --&gt; MyWebViewClient
      @Override
      public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host, String realm) {
          String username="123";
          String userpass="123";
          handler.proceed(username, userpass);
      }
  </code></pre>
  
  <p>I wonder if there is any other configuration or what causes authentication stopping on device webview.
  Please help me to solve this problem, if you have faced this kind of issue before.
  Thank you.</p>