AndroidでWebViewのCookieを共有する方法

gistfile1.m

package com.hisasann.sample_cookieshare;

import java.io.IOException;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CookieStore;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.cookie.BasicClientCookie;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.os.StrictMode;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.CookieManager;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;

@SuppressLint({ "SetJavaScriptEnabled" })
public class MainActivity extends Activity {

    private DefaultHttpClient httpClient = new DefaultHttpClient();

    @SuppressLint("NewApi")
    @Override
    public void onCreate(Bundle savedInstanceState) {
	StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().permitAll().build());

	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);

	WebView webview = (WebView) findViewById(R.id.webView1);
	webview.getSettings().setJavaScriptEnabled(true);
	webview.getSettings().setDefaultTextEncodingName("UTF-8");
	webview.setWebViewClient(new WebViewClient() {
	    @Override
	    public void onPageFinished(WebView view, String url) {
		System.out.println("onPageFinished - " + url);
		super.onPageFinished(view, url);

		// Cookieの保存が予想されるURLの場合
		if (url.indexOf("http://lab.hisasann.com/") > -1) {
		    // WebViewのCookieを取得
		    String cookie = CookieManager.getInstance().getCookie(url);
		    System.out.println("cookie - " + cookie);
		    String[] cookies = cookie.split(";");
		    for (String keyValue : cookies) {
			keyValue = keyValue.trim();
			String[] cookieSet = keyValue.split("=");
			// Cookieを作成
			BasicClientCookie bCookie = new BasicClientCookie(cookieSet[0], cookieSet[1]);
			bCookie.setDomain("lab.hisasann.com");
			bCookie.setPath("/");
			// CookieStoreを取得
			CookieStore store = httpClient.getCookieStore();
			// Cookieを追加
			store.addCookie(bCookie);
		    }
		}
	    }
	});
	webview.setWebChromeClient(new WebChromeClient() {
	    @Override
	    public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
		return false;
	    }

	    @Override
	    public void onProgressChanged(WebView view, int progress) {
		super.onProgressChanged(view, progress);
	    }
	});
	webview.loadUrl("http://lab.hisasann.com/cookie/setcookie.php");

	Button button1 = (Button) findViewById(R.id.button1);
	button1.setOnClickListener(new OnClickListener() {
	    @Override
	    public void onClick(View v) {
		CookieStore store = httpClient.getCookieStore();
		List<Cookie> cookies = store.getCookies();
		for (Cookie cookie : cookies) {
		    // クッキーの設定
		    if ("lab.hisasann.com".equals(cookie.getDomain())) {
			// クッキーを再設定
			System.out.println(cookie.getName() + "=" + cookie.getValue());
			break;
		    }
		}

		httpGet();
	    }
	});
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
	getMenuInflater().inflate(R.menu.activity_main, menu);
	return true;
    }

    private void httpGet() {
	HttpParams httpParams = httpClient.getParams();

	HttpConnectionParams.setConnectionTimeout(httpParams, 10 * 1000);
	HttpGet httpGet = new HttpGet("http://lab.hisasann.com/cookie/getcookie.php");

	try {
	    httpClient.execute(httpGet, new ResponseHandler<String>() {

		@Override
		public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
		    switch (response.getStatusLine().getStatusCode()) {
		    case HttpStatus.SC_OK:
			System.out.println(EntityUtils.toString(response.getEntity(), "UTF-8"));

			List<Cookie> cookies = httpClient.getCookieStore().getCookies();
			System.out.println(cookies);
		    }

		    return null;
		}
	    });
	} catch (ClientProtocolException e) {
	    // TODO Auto-generated catch block
	    e.printStackTrace();
	} catch (IOException e) {
	    // TODO Auto-generated catch block
	    e.printStackTrace();
	}
    }
}