//Make sure No cookies are created
CookieManager.getInstance().setAcceptCookie(false);

//Make sure no caching is done
myWebView.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
myWebView.getSettings().setAppCacheEnabled(false);
myWebView.clearHistory();
myWebView.clearCache(true);


//Make sure no autofill for Forms/ user-name password happens for the app
myWebView.clearFormData();
myWebView.getSettings().setSavePassword(false);
myWebView.getSettings().setSaveFormData(false);