我想通过WebView调用一个特定的URL。该页面只能在用户登录后调用。我使用AsyncHttpClient库执行登录调用。成功登录后,通过WebView加载URL似乎无法识别正确的标头esp cookie。我怀疑是在HttpClient和WebView的HttpClient之间cookie没有正确同步。知道为什么吗? 。这是我如何使用WebView
final WebView webView = (WebView) content.findViewById(R.id.web_travel_advisory);
String url = "http://mydomainurl.com/get_data_after_login";
webView.setWebViewClient(new WebViewClient());
CookieSyncManager.createInstance(getActivity());
CookieSyncManager.getInstance().startSync();
CookieManager.getInstance().setAcceptCookie(true);
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl(url);
感谢您的帮助 。
哦,几个小时后,我终于弄清楚它是否有效。首先CookieSyncManager在api 21以后的doc版本的后续版本中被弃用。因此决定不再使用它了。其次CookieManager用于存储WebView的cookie。
最终代码
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.setAcceptCookie(true);
List<Cookie> cookies = WSHelper.cookieStore.getCookies();
cookieManager.removeAllCookie();
if (cookies != null) {
for (Cookie cookie : cookies) {
if (cookie.getName().contains("session")){
String cookieString = cookie.getName() + "=" + cookie.getValue() + "; Domain=" + cookie.getDomain();
cookieManager.setCookie(cookie.getDomain(), cookieString);
Log.d("CookieUrl",cookieString + " ");
}
}
}
webView.loadUrl(url);
解决方案的关键变化是:使用cookie.getDomain()而不是显式域。
cookieManager.setCookie(cookie.getDomain(), cookieString);
尝试此代码后,几个更改对我有用:
public class WebViewActivity extends Activity{
private SharedPreferences mPreferences;
String token="";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webviewpage);
mPreferences = getSharedPreferences("CurrentUser", MODE_PRIVATE);
}
public void LaunchWebView(View view) {
WebView myWebView = (WebView) findViewById(R.id.myWebView);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.getSettings().setSaveFormData(false);
CookieSyncManager.createInstance(this);
CookieSyncManager.getInstance().startSync();
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.setAcceptCookie(true);
CookieManager.getInstance().setAcceptThirdPartyCookies(myWebView, true);
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
String token2= mPreferences.getString("auth_token","");
HashMap<String, String> map = new HashMap<String, String>();
map.put("x-auth-token", token);
myWebView.getSettings().setAppCacheEnabled(true);
myWebView.setWebViewClient(new WebViewClient() {
public boolean shouldOverrideUrlLoading(WebView view,String url) {
view.loadUrl(url);
return true;
}
});
myWebView.loadUrl("YOUR_URL", map);
}
}
我的问题略有不同,但@Tixeon的回答给了我解决问题的关键。我正在编写我的Cookie并将其添加到WebView请求中,但我发现Android覆盖了我的Cookie并发送了自己的Cookie。首先,我必须从阵列中删除所有cookie,然后组成我自己的Cookie。这是示例代码:
// Note that my project has minSdkVersion 21, so I can directly use methods only available in Lollipop
private fun loadUrlInWebView(url: String) {
webView.settings.apply {
builtInZoomControls = false
javaScriptEnabled = true
useWideViewPort = true
loadWithOverviewMode = true
setSupportMultipleWindows(false)
}
CookieManager.getInstance().apply {
setAcceptThirdPartyCookies(webView, true) // My minSdkVersion is 21
removeAllCookies { value ->
Log.d("Cookies", "Removed all cookies from CookieManager")
}
}
webView.apply {
isVerticalScrollBarEnabled = true
isHorizontalScrollBarEnabled = true
loadUrl(
url,
mutableMapOf(
"Cookie" to "ThisIsMyCookieWithMyValues",
"Accept" to "*/*",
"Accept-Encoding" to "gzip, deflate",
"Cache-Control" to "no-cache",
"Content-type" to "application/x-www-form-urlencoded"
)
)
}
}
现在请求包含我的Cookie,而不是Android提供的默认Cookie,我在WebView中的会话正在运行。希望这有助于其他人