我有一个带有身份验证的 webview，其中调用时不断弹出 webview 片段的身份验证消息。身份验证弹出窗口是错误代码 410（已登录：登录/取消）消息，如何传递我的 cookie要维护的会话ID？有什么线索吗？谢谢！PS：请尽可能以编程方式解释我的代码，因为在没有代码的情况下很难理解。
这是给定片段的代码：
public class WebViewFragment extends Fragment implements OnClickListener , MainActivity.BackPressListener<Fragment> {
private static final String SEARCH_TERM = "search_term";
private static String mSearchTerm;
private WebView mWebview;
private static WebViewFragment sUserProfileManager;
public final static String SYMBOL = "symbol";
public static int PIC_WIDTH = 30;
private static final String SYMBOL_TYPE = "symbol_type";
public static final String CONTAINER_ID = "container_id";
public static final String TAG_FRAGMENT_WEBVIEW = "WebViewFragment";
SharedPreferencesManager manager = SharedPreferencesManager.getInstance();
private static String URL;
private final String USERNAME = manager.getLoginUsername();
private final String PASSWORD = manager.getDecryptedLoginPassword();
LinearLayout progressBar;
private static WebViewFragment __newInstance(final WebViewFragment fragment, final FragmentManager manager,
final String searchTerm, final String symbolType, int containerViewId, final int inAnimation, final int outAnimation, final int popInAnimation, final int popOutAnimation) {
final Bundle bundle = new Bundle();
bundle.putString(SEARCH_TERM, searchTerm);
bundle.putString(WebViewFragment.SYMBOL_TYPE, symbolType);
bundle.putInt(WebViewFragment.CONTAINER_ID, containerViewId);
fragment.setArguments(bundle);
FragmentInfo fragmentInfo = new FragmentInfo(TransactionMethods.ADD, containerViewId);
fragmentInfo.setAnimation(inAnimation, outAnimation);
fragmentInfo.setPopAnimation(popInAnimation, popOutAnimation);
fragmentInfo.setFragmentTag(TAG_FRAGMENT_WEBVIEW);
fragmentInfo.setActionBarTitle(Application.getAppResources().getString(R.string.title_search));
FragmentStackManager.getInstance().transitionFragment(manager, fragment, fragmentInfo);
URL = getUrl();
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Bundle bundle = this.getArguments();
URL = getUrl();
if(bundle != null)
mSearchTerm = getArguments().getString(SEARCH_TERM);
}
public void setSearchTerms(String sTerms){
mSearchTerm = sTerms;
}
public static void removeInstance(final FragmentManager manager) {
final WebViewFragment fragment = (WebViewFragment) manager.findFragmentByTag(TAG_FRAGMENT_WEBVIEW);
if (fragment == null) {
return;
}
final FragmentStackManager stackManager = FragmentStackManager.getInstance();
if (stackManager.getTopFragment() instanceof WebViewFragment) {
stackManager.popTopFragment();
}
}
private boolean goingBack = false;
private boolean onBackPressClearStack = true;
public void setOnBackPressClearStack(boolean b){
onBackPressClearStack = b;
}
public boolean webViewSteppedBack() {
if (mWebview != null && mWebview.canGoBack()) {
final Animation slide = new TranslateAnimation(100, 1000, 0, 0);
slide.setDuration(800);
mWebview.startAnimation(slide);
WebBackForwardList mWebBackForwardList = mWebview.copyBackForwardList();
String historyUrl = mWebBackForwardList.getItemAtIndex(mWebBackForwardList.getCurrentIndex()-1).getUrl();
mWebview.goBack();
return true;
}
return false;
}
@Override
public boolean backPressed(final MainActivity mainActivity) {
if (webViewSteppedBack()) {
return true;
}
if (onBackPressClearStack) {
goingBack = true;
}
return false;
}
private static String getUrl(){
String url = "";
final String getuuid = SharedPreferencesManager.getInstance().getUUID();
final String environmentApi = SharedPreferencesManager.getInstance().getEnvironmentApi();
if (environmentApi.equalsIgnoreCase(NetworkUtils.Apis.ALPHA)) {
url = "https://cp.com/fwd/service/v1/?q="+mSearchTerm+"%20revenue&ui.theme=novadark&uuid="+getuuid+"&userAgent=android";
}
return url;
}
private static WebViewFragment __newInstance(final WebViewFragment fragment, final FragmentManager manager,
final String searchTerm, final String symbolType, int containerViewId) {
return __newInstance(fragment, manager,searchTerm, symbolType, containerViewId, R.anim.slide_in_from_right, R.anim.slide_out_to_left, R.anim.slide_in_from_left, R.anim.slide_out_to_right);
}
private static void clearWebView(final FragmentManager manager) {
final WebViewFragment fragment = (WebViewFragment) manager.findFragmentByTag(TAG_FRAGMENT_WEBVIEW);
if (fragment != null && fragment instanceof WebViewFragment) {
((WebViewFragment)fragment).clearWebView();
}
}
public static WebViewFragment newInstance(final FragmentManager manager, final String searchTerm, String symbolType) {
clearWebView(manager);
return __newInstance(new WebViewFragment(), manager, searchTerm, symbolType, R.id.fragment_container);
}
public static WebViewFragment newInstance(final FragmentManager manager, final String searchTerm, String symbolType, int containerViewId) {
clearWebView(manager);
return __newInstance(new WebViewFragment(), manager, searchTerm, symbolType, containerViewId);
}
public static WebViewFragment newInstanceNoBackPressed(final FragmentManager manager, final String searchTerm, final String symbolType, int containerViewId) {
WebViewFragment fragment = __newInstance(new WebViewFragment(), manager, searchTerm, symbolType, containerViewId);
fragment.setOnBackPressClearStack(false);
return fragment;
}
public static WebViewFragment newInstanceNoBackPressed(final WebViewFragment fragment, final FragmentManager manager, final String searchTerm, final String symbolType, int containerViewId) {
fragment.setOnBackPressClearStack(false);
return __newInstance(fragment, manager, searchTerm, symbolType, containerViewId);
}
public static WebViewFragment newInstanceForSearch(final FragmentManager manager, final String searchTerm, String symbolType) {
WebViewFragment fragment = __newInstance(new WebViewFragment(), manager, searchTerm, symbolType, R.id.fragment_container, R.anim.no_animation, R.anim.slide_out_to_right, R.anim.slide_in_from_right, R.anim.slide_out_to_right);
return fragment;
}
@Override
public void onResume() {
super.onResume();
final MainActivity activity = (MainActivity) getActivity();
activity.updateActionBarTitle();
activity.setBackPressListener(this);
}
public void clearWebView() {
if (mWebview != null) {
mWebview.removeAllViews();
mWebview.destroy();
mWebview = null;
}
}
@Override
public void onClick(View v) {
getActivity().finish();
}
@SuppressWarnings("deprecation")
@SuppressLint({
"SetJavaScriptEnabled", "NewApi"
})
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (goingBack) {
return null;
}
final MainActivity activity = (MainActivity) getActivity();
activity.setBackPressListener(this);
View view = inflater.inflate(R.layout.fragment_search, container, false);
mWebview = (WebView)view.findViewById(R.id.webview);
progressBar = (LinearLayout) view.findViewById(R.id.loading);
mWebview.setVisibility(View.VISIBLE);
progressBar.setVisibility(View.VISIBLE);
mWebview.setWebViewClient(new MyWebViewClient(this, mWebview));
mWebview.getSettings().setUseWideViewPort(true);
mWebview.setBackgroundColor(0);
mWebview.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
mWebview.getSettings().setAllowFileAccess(true);
mWebview.getSettings().setDomStorageEnabled(true);
mWebview.getSettings().setJavaScriptEnabled(true);
mWebview.setScrollbarFadingEnabled(false);
mWebview.getSettings().getLoadsImagesAutomatically();
android.webkit.CookieManager webCookieManager =
CookieManager.getInstance();
webCookieManager.setAcceptCookie(true);
mWebview.setWebChromeClient(new WebChromeClient() {
@Override
public void onReceivedTitle(WebView view, String title) {
super.onReceivedTitle(view, title);
String serverError = "412";
if (title.contains(serverError)) {
view.stopLoading();
SearchResultsFragment.newInstance(getFragmentManager(), mSearchTerm);
}
}
});
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
mWebview.getSettings().setDisplayZoomControls(false);
SharedPreferencesManager mgr = SharedPreferencesManager.getInstance();
CookieStore cookieStore = mgr.getCookieStore();
Cookie cookie = cookieStore.getCookies().get(0);
String cookieString = cookie.getName() + "=" + cookie.getValue() + "; domain=" + cookie.getDomain();
CookieManager cookieMgr = CookieManager.getInstance();
cookieMgr.setCookie(URL, cookieString);
mWebview.loadUrl(URL);
return view;
}
public class MyWebViewClient extends WebViewClient {
public MyWebViewClient(WebViewFragment sWebViewFragment, WebView webview) {
super();
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
view.setVisibility(View.VISIBLE);
}
@Override
public void onPageFinished(WebView view, String url) {
final Animation fade = new AlphaAnimation(0.0f, 1.0f);
fade.setDuration(200);
view.startAnimation(fade);
view.setVisibility(View.VISIBLE);
progressBar.setVisibility(View.GONE);
}
@Override
public void onReceivedError( WebView view, int errorCode, String description, String failingUrl ) {
Toast.makeText(view.getContext(), "Authentication Error", Toast.LENGTH_LONG).show();
super.onReceivedError(view, errorCode, description, failingUrl);
}
@Override
public void onLoadResource( WebView view, String url ){
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return super.shouldOverrideUrlLoading(view, url);
}
@Override
public void onReceivedHttpAuthRequest( WebView view, final HttpAuthHandler handler, final String host, final String realm ){
handler.proceed(USERNAME,PASSWORD);
}
@Override
public void onReceivedSslError( WebView view, SslErrorHandler handler, SslError error ) {
handler.proceed();
}
}
}