with the introduction of Android 4.4 has changed the webview, I would understand that if the app is running on Android 4.4 with this type of webview:
WebSettings settings = webView.getSettings ();
settings.setUseWideViewPort (true);
settings.setLoadWithOverviewMode (true);
otherwise it executes the code that I already have that with the webview on Android versions less than 4.4 works great. you can do an if?