WebView and Cookies on Android

Question

I have an application on appspot that works fine through regular browser  however when used through Android WebView  it cannot set and read cookies  I am not trying to get cookies  outside  this web application BTW  once the URL is visited by WebView  all processing  ids  etc  can stay there  all I need is session management inside that application  First screen also loads fine  so I know WebView   server interactivity is not broken    I looked at WebSettings class  there was no call like setEnableCookies    I load url like this   public class MyActivity extends Activity      Override   public void onCreate Bundle savedInstanceState        super onCreate savedInstanceState              WebView webview   new WebView this       setContentView webview             webview loadUrl  MY URL                  Any ideas

User · Answer

If you are using Android Lollipop i e  SDK 21  then   CookieManager getInstance   setAcceptCookie true     won t work  You need to use   CookieManager getInstance   setAcceptThirdPartyCookies webView  true     I ran into same issue and the above line worked as a charm

User · Answer

CookieManager getInstance   setAcceptCookie true   Normally it should work if your webview is already initialized  or try this   CookieSyncManager createInstance this   CookieManager cookieManager   CookieManager getInstance    cookieManager removeAllCookie    cookieManager setAcceptCookie true

User · Answer

My problem is cookies are not working  within  the same session        Burak  I had the same problem   Enabling cookies fixed the issue   CookieManager getInstance   setAcceptCookie true

User · Answer

From the Android documentation       The CookieSyncManager is used to synchronize the browser cookie   store between RAM and permanent storage  To get the best performance    browser cookies are saved in RAM  A separate thread saves the cookies   between  driven by a timer         To use the CookieSyncManager  the host application has to call the   following when the application starts   CookieSyncManager createInstance context        To set up for sync  the host application has to call  CookieSyncManager getInstance   startSync         in Activity onResume    and call   CookieSyncManager getInstance   stopSync         in Activity onPause         To get instant sync instead of waiting for the timer to trigger  the   host can call  CookieSyncManager getInstance   sync         The sync interval is 5 minutes  so you will want to force syncs   manually anyway  for instance in onPageFinished WebView  String   Note   that even sync   happens asynchronously  so don t do it just as your   activity is shutting down    Finally something like this should work      use cookies to remember a logged in status    CookieSyncManager createInstance this   CookieSyncManager getInstance   startSync    WebView webview   new WebView this   webview getSettings   setJavaScriptEnabled true   setContentView webview         webview loadUrl  MY URL

User · Answer

I figured out what s going on    When I load a page through a server side action  a url visit   and view the html returned from that action inside a Webview  that first action page runs inside that Webview  However  when you click on any link that are action commands in your web app  these actions start a new browser  That is why cookie info gets lost because the first cookie information you set for Webview is gone  we have a seperate program here    You have to intercept clicks on Webview so that browsing never leaves the app  everything stays inside the same Webview      WebView webview   new WebView this           webview setWebViewClient new WebViewClient              Override         public boolean shouldOverrideUrlLoading WebView view  String url                      view loadUrl url     this is controversial - see comments and other answers         return true                                         setContentView webview           webview loadUrl  MY URL      This fixes the problem

[java] WebView and Cookies on Android

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