Android实现清除单个域名的cookie

sqlite> .tables
cookies meta  
sqlite> .dump cookies
PRAGMA foreign_keys=OFF;
BEGIN TRANSACTION;
CREATE TABLE cookies (creation_utc INTEGER NOT NULL UNIQUE PRIMARY KEY,host_key TEXT NOT NULL,name TEXT NOT NULL,value TEXT NOT NULL,path TEXT NOT NULL,expires_utc INTEGER NOT NULL,secure INTEGER NOT NULL,httponly INTEGER NOT NULL,last_access_utc INTEGER NOT NULL, has_expires INTEGER NOT NULL DEFAULT 1, persistent INTEGER NOT NULL DEFAULT 1,priority INTEGER NOT NULL DEFAULT 1,encrypted_value BLOB DEFAULT '',firstpartyonly INTEGER NOT NULL DEFAULT 0);
INSERT INTO "cookies" VALUES(13122904895970126,'.hm.baidu.com','HMACCOUNT','1E0666871DC4BB45','/',13792186776970126,0,0,13122906283432123,1,1,1,X'',0);
INSERT INTO "cookies" VALUES(13122905170226445,'.facebook.com','reg_fb_ref','https%3A%2F%2Fm.facebook.com%2F%3Frefsrc%3Dhttps%253A%252F%252Fwww.facebook.com%252F','/',0,0,1,13122905170226445,0,0,1,X'',0);
INSERT INTO "cookies" VALUES(13122905170227182,'.facebook.com','reg_fb_gate','https%3A%2F%2Fm.facebook.com%2F%3Frefsrc%3Dhttps%253A%252F%252Fwww.facebook.com%252F','/',0,0,1,13122905170227182,0,0,1,X'',0);
INSERT INTO "cookies" VALUES(13122905170227393,'.facebook.com','m_ts','1478103992','/',0,0,0,13122905170227393,0,0,1,X'',0);
INSERT INTO "cookies" VALUES(13122905172258460,'.facebook.com','datr','uxMaWFe4eAqp6W2_dDu2MpA1','/',13185977172258460,0,1,13122905172258460,1,1,1,X'',0);
INSERT INTO "cookies" VALUES(13122905172508865,'.facebook.com','fr','0EhMpmXi6717eJE6Y..BYGhO4.Dd.AAA.0.0.BYGhO7.AWUFjMmY','/',13130681172508865,0,1,13122905172508865,1,1,1,X'',0);
CREATE INDEX domain ON cookies(host_key);
CREATE INDEX is_transient ON cookies(persistent) where persistent != 1;
COMMIT;

private static void deleteCookiesForDomain(Context context, String domain) {
    CookieManager cookieManager = CookieManager.getInstance();
    if (cookieManager == null) return;
 
    /* http://code.google.com/p/android/issues/detail?id=19294 */
    if (Build.VERSION.SDK_INT < 11) {
      /* Trim leading '.'s */
      if (domain.startsWith(".")) domain = domain.substring(1);
    }
 
    String cookieGlob = cookieManager.getCookie(domain);
    if (cookieGlob != null) {
      String[] cookies = cookieGlob.split(";");
      for (String cookieTuple : cookies) {
        String[] cookieParts = cookieTuple.split("=");
        HashSet<String> domainSet = getDomainSet(domain);
        for (String dm : domainSet) {
          /* Set an expire time so that this field will be removed after calling sync() */
          cookieManager.setCookie(dm, cookieParts[0] + "=; Expires=Wed, 31 Dec 2015 23:59:59 GMT");
        }
      }
      cookieManager.sync();
    }
  }
 
  private static HashSet<String> getDomainSet(String domain) {
    HashSet<String> domainSet = new HashSet<>();
    String host = Uri.parse(domain).getHost();
 
    domainSet.add(host);
    domainSet.add("." + host);
    // exclude domain like "baidu.com"
    if (host.indexOf(".") != host.lastIndexOf(".")) {
      domainSet.add(host.substring(host.indexOf('.')));
    }
 
    return domainSet;
  }