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<devsite-recommendations-sidebar class="nocontent devsite-nav"> </devsite-recommendations-sidebar> </div> </div> <devsite-content> <article class="devsite-article"> <div class="devsite-article-meta nocontent" role="navigation"> <ul class="devsite-breadcrumb-list" > <li class="devsite-breadcrumb-item "> <a href="https://source.android.google.cn/?hl=th" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Android Open Source Project" > AOSP </a> </li> </ul> </div> <h1 class="devsite-page-title" tabindex="-1"> Android 源代码 </h1> <div class="devsite-page-title-meta"><devsite-view-release-notes></devsite-view-release-notes></div> <devsite-toc class="devsite-nav" depth="2" devsite-toc-embedded > </devsite-toc> <div class="devsite-article-body clearfix "> <!-- Copyright 2017 The Android Open Source Project Licensed 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See the License for the specific language governing permissions and limitations under the License. --> <p>Android 是一个针对多种不同设备类型打造的开放源代码软件堆栈。Android 的主要目的是为运营商、原始设备制造商 (OEM) 和开发者创造一个开放的软件平台,使他们能够将创新理念变为现实,并推出能够卓有成效地改善用户移动体验的真实产品。 </p> <p>此外,我们还希望确保 Android 平台不存在一个集中瓶颈(意即没有任何行业参与者可一手限制或控制其他参与者的创新)。这样,我们不但可以打造功能完善的高品质消费类产品,而且可以完全开放源代码,供第三方自由定制和移植。 </p> <div style="width:700px"> <img src="https://source.android.google.cn/static/images/android_framework_details.png?hl=th" alt="Android 框架详情" height="483px"> <p class="img-caption"> <strong>图 1.</strong> Android 堆栈</p> </div> <h2 id="governance-philosophy" data-text="管理理念" tabindex="-1">管理理念</h2> <p>Android 源自于 Google 牵头并联合众多企业成立的“开放手机联盟”(Open Handset Alliance,以下简称 OHA)。如今,许多企业(包括 OHA 的创始成员以及其他企业)都在 Android 上投入了大量资金和人力。这些企业投入了大量工程资源来改进 Android,使用户能够享用搭载 Android 的出色设备。 </p> <p>出于对 Android 本身的认同,这些企业才投入了资金和人力,因为我们都相信有必要打造一个开放的平台。我们的用意是将 Android 打造成一个开放源代码(而非免费软件)平台,显然,Android 也确实做到了这一点;众多志同道合的组织投入了大量的资源,携手打造了一个共用的平台。Android 的首要理念是务实。目标是打造一个每个贡献者都可以调整和定制的共用产品。</p> <p>不受约束的定制必然会导致不兼容。为了避免这种情况,Android 开放源代码项目还推出了 <a href="https://source.android.google.cn/compatibility?hl=th">Android 兼容性计划</a>,该计划制定了有关“Android 兼容性”的规范以及设备制造商实现兼容性需要满足的要求。任何人都能够(并且会)将 Android 源代码用于任何用途,我们欢迎一切合法的使用。不过,要参与我们正在围绕 Android 构建的共通应用生态系统,设备制造商必须加入 Android 兼容性计划。</p> <p>作为 Android 开放源代码项目的主导者,Google 负责着 Android 的维护和后续开发工作。虽然 Android 由多个子项目组成,但严格意义上,这只是出于项目管理的需要。我们将 Android 整体视为一个软件产品(而不是可更换部件的“发行版”、规范或集合),并依此原则进行管理。我们希望设备制造商要做的只是将 Android 移植到其设备上,而无需实现一个规范或构建一个“发行版”。</p> <devsite-hats-survey class="nocontent" hats-id="p92MLLB8a0gakU8RTPD0UnfTgV99" listnr-id="715571"></devsite-hats-survey> </div> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> <p>本页面上的内容和代码示例受<a href="https://source.android.google.cn/license?hl=th">内容许可</a>部分所述许可的限制。Java 和 OpenJDK 是 Oracle 和/或其关联公司的注册商标。</p> <p>最后更新时间 (UTC):2019-10-02。</p> </devsite-content-footer> <devsite-notification > </devsite-notification> 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