如何在android中對(duì)cookie進(jìn)行讀寫(xiě)?針對(duì)這個(gè)問(wèn)題,這篇文章詳細(xì)介紹了相對(duì)應(yīng)的分析和解答,希望可以幫助更多想解決這個(gè)問(wèn)題的小伙伴找到更簡(jiǎn)單易行的方法。

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讀取cookie:
try
{
DefaultHttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet("http://www.hlovey.com");
HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
List<Cookie> cookies = httpclient.getCookieStore().getCookies();
if (entity != null) {
entity.consumeContent();
}
if (cookies.isEmpty()) {
Log.i(TAG, "NONE");
} else {
for (int i = 0; i < cookies.size(); i++) {
Log.i(TAG,"- domain " + cookies.get(i).getDomain());
Log.i(TAG,"- path " + cookies.get(i).getPath());
Log.i(TAG,"- value " + cookies.get(i).getValue());
Log.i(TAG,"- name " + cookies.get(i).getName());
Log.i(TAG,"- port " + cookies.get(i).getPorts());
Log.i(TAG,"- comment " + cookies.get(i).getComment());
Log.i(TAG,"- commenturl" + cookies.get(i).getCommentURL());
Log.i(TAG,"- all " + cookies.get(i).toString());
}
}
httpclient.getConnectionManager().shutdown();
}catch(Exception e){
//Todo
}finally{
//Todo
}通過(guò)分析com.android.browser的源碼,發(fā)現(xiàn)android默認(rèn)的browser增加cookie是在數(shù)據(jù)庫(kù)中增加記錄,和window不同,win是采用一個(gè)txt文本文件的形式來(lái)存儲(chǔ)cookie。而android是將cookie存儲(chǔ)在數(shù)據(jù)庫(kù)中。具體的介紹在《android cookie存儲(chǔ)位置》一文中有介紹。我們都知道,android每個(gè)應(yīng)用程序的存儲(chǔ)空間都是獨(dú)立的。不管使用preference還是database存儲(chǔ),都會(huì)在每個(gè)/data/data/package name/下面進(jìn)行存儲(chǔ)(preference存儲(chǔ)在/data/data/package name/shared_prefs/xxxx.xml)。前面也說(shuō)到cookie是存在數(shù)據(jù)庫(kù)中,那么如果采用非瀏覽器訪問(wèn)網(wǎng)絡(luò)需要保留cookie的話我們就應(yīng)該在database中建立cookies表,并且存入相應(yīng)的cookies數(shù)據(jù)。仿照默認(rèn)broswer的代碼:
/**聲明一些數(shù)據(jù)庫(kù)操作的常量*/
private static SQLiteDatabase mDatabase = null;
private static final String DATABASE_FILE = "webview.db";
private static final String COOKIES_NAME_COL = "name";
private static final String COOKIES_VALUE_COL = "value";
private static final String COOKIES_DOMAIN_COL = "domain";
private static final String COOKIES_PATH_COL = "path";
private static final String COOKIES_EXPIRES_COL = "expires";
private static final String COOKIES_SECURE_COL = "secure";
mDatabase = LoginApiActivity.this.openOrCreateDatabase(DATABASE_FILE, 0, null);
//創(chuàng)建cookie數(shù)據(jù)庫(kù)
if (mDatabase != null) {
// cookies
mDatabase.execSQL("CREATE TABLE IF NOT EXISTS cookies "
+ " (_id INTEGER PRIMARY KEY, "
+ COOKIES_NAME_COL + " TEXT, " + COOKIES_VALUE_COL
+ " TEXT, " + COOKIES_DOMAIN_COL + " TEXT, "
+ COOKIES_PATH_COL + " TEXT, " + COOKIES_EXPIRES_COL
+ " INTEGER, " + COOKIES_SECURE_COL + " INTEGER" + ");");
mDatabase.execSQL("CREATE INDEX IF NOT EXISTS cookiesIndex ON "
+ "cookies" + " (path)");
}
}
/*寫(xiě)cookie*/
public void addCookie(Cookie cookie) {
if (cookie.getDomain() == null || cookie.getPath() == null || cookie.getName() == null
|| mDatabase == null) {
return;
}
String mCookieLock = "asd";
synchronized (mCookieLock) {
ContentValues cookieVal = new ContentValues();
cookieVal.put(COOKIES_DOMAIN_COL, cookie.getDomain());
cookieVal.put(COOKIES_PATH_COL, cookie.getPath());
cookieVal.put(COOKIES_NAME_COL, cookie.getName());
cookieVal.put(COOKIES_VALUE_COL, cookie.getValue());
mDatabase.insert("cookies", null, cookieVal);
}
}關(guān)于如何在android中對(duì)cookie進(jìn)行讀寫(xiě)問(wèn)題的解答就分享到這里了,希望以上內(nèi)容可以對(duì)大家有一定的幫助,如果你還有很多疑惑沒(méi)有解開(kāi),可以關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道了解更多相關(guān)知識(shí)。
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