<p style="text-align: center;"><img alt="" src="https://simg.open-open.com/show/0f3ae104c7167272412079964cb5969e.png" /></p>    <p> </p>    <p>Realm 是一个跨平台的移动数据库引擎，可运行于手机、平板和可穿戴设备之上。于 2014 年 7 月发布，准确来说，它是专门为移动应用所设计的数据持久化解决方案之一。 Realm 可以轻松地移植到您的项目当中，并且绝大部分常用的功能（比如说插入、查询等等）都可以用一行简单的代码轻松完成！ Realm 并不是对 Core Data 的简单封装，相反地， Realm 并不是基于 Core Data ，也不是基于 SQLite 所构建的。它拥有自己的数据库存储引擎，可以高效且快速地完成数据库的构建操作。</p>    <h2>更新日志</h2>    <ul>     <li>Disabled <code>Realm.compactRealm()</code> when sync is enabled as it might corrupt the Realm (<a href="/misc/goto?guid=4958997665598951592">https://github.com/realm/realm-core/issues/2345</a>).</li>     <li>"operation not permitted" issue when creating Realm file on some devices' external storage (#3629).</li>     <li>Crash on API 10 devices (#3726).</li>     <li><code>UnsatisfiedLinkError</code> caused by <code>pipe2</code> (#3945).</li>     <li>Unrecoverable error with message "Try again" when the notification fifo is full (#3964).</li>     <li>Realm migration wasn't triggered when the primary key definition was altered (#3966).</li>     <li>Use phantom reference to solve the finalize time out issue (#2496).</li>     <li>All major public classes are now non-final. This is mostly a compromise to support Mockito. All protected fields/methods are still not considered part of the public API and can change without notice (#3869).</li>     <li>All Realm instances share a single notification daemon thread.</li>     <li>Fixed Java lint warnings with generated proxy classes (#2929).</li>     <li>Upgraded Realm Core to 2.3.0.</li>     <li>Upgraded Realm Sync to 1.0.0-BETA-6.5.</li>    </ul>    <p>本站原创，转载时保留以下信息：<br /> 本文转自：深度开源（open-open.com）<br /> 原文地址：<a href="http://www.open-open.com/news/view/1ffb7e6a">http://www.open-open.com/news/view/1ffb7e6a</a></p>