###PersistentCookieStore
A CookieStore implementation for Android apps that keeps cookies in a SharedPreferences instance.
Based on java.net.InMemoryCookieStore and uses Base64Coder
To use, put the following line into your Application java file:
CookieHandler.setDefault(new CookieManager(PersistentCookieStore.getInstance(this), CookiePolicy.ACCEPT_ORIGINAL_SERVER));