| <html devsite><head> |
| <title>Android 兼容性定义文档</title> |
| <meta name="project_path" value="/_project.yaml"/> |
| <meta name="book_path" value="/_book.yaml"/> |
| </head> |
| <body> |
| <!-- |
| Copyright 2017 The Android Open Source Project |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| --> |
| |
| <p>欢迎阅读 Android 兼容性定义文档 (CDD)。本文档列举了设备需要满足哪些要求才能与最新的 Android 版本兼容。为了与 Android 兼容,设备实现必须满足此兼容性定义文档(包括以参考资料的形式纳入的任何文档)中列出的要求。对于 Android 平台的每个版本,我们都将提供详细的 CDD。CDD 代表 Android 兼容性的“政策”方向。</p> |
| |
| <p>请务必注意,Android 兼容性计划的政策中已明确规定,任何测试套件(包括 CTS)都不是真正综合全面的。例如,CTS 包含可检查 OpenGL 图形 API 是否存在以及行为是否正确的测试,但任何软件测试都无法验证这类图形在屏幕上实际显示时的正确性。从更笼统的角度来说,测试硬件功能(如键盘、显示密度、WLAN 和蓝牙)是否存在是不太可能的事情。</p> |
| |
| <p>CDD 的作用是整理和阐明具体要求,并消除歧义。CDD 并非综合全面的指南。由于 Android 代码是一系列开放源代码,因此代码本身就是其平台及 API 的综合“规范说明”。CDD 如同一个统合其他内容(如 SDK API 文档)的纲要,它提供了一个 Android 源代码的使用范式框架,从而促进最终实现一个兼容的系统。</p> |
| |
| <p>如果您要打造与指定 Android 版本兼容的设备,请先查看该版本的源代码,然后阅读相应的 CDD 并遵守其准则。要了解更多详情,请查看<a href="/compatibility/android-cdd.pdf">最新 CDD</a>。</p> |
| |
| <p> |
| 您可以采用 HTML 网页形式或可轻松下载的 PDF 格式查看最新 CDD:</p> |
| <ul> |
| <li><a href="android-cdd.html">HTML</a></li> |
| <li><a href="android-cdd.pdf">PDF</a></li> |
| </ul> |
| |
| <p>在下面查找旧版 CDD 和已获批准的发行版本字符串:</p> |
| |
| <table> |
| <tbody><tr> |
| <th>版本</th> |
| <th>PDF</th> |
| <th>HTML/XHTML</th> |
| <th>字符串</th> |
| </tr> |
| <tr> |
| <td>9</td> |
| <td><a href="9/android-9-cdd.pdf">android-9-cdd.pdf</a></td> |
| <td><a href="9/android-9-cdd.html">android-9-cdd.html</a></td> |
| <td><a href="9/versions.html">9 版</a></td> |
| </tr> |
| <tr> |
| <td>8.1</td> |
| <td><a href="8.1/android-8.1-cdd.pdf">android-8.1-cdd.pdf</a></td> |
| <td><a href="8.1/android-8.1-cdd.html">android-8.1-cdd.html</a></td> |
| <td><a href="8.1/versions.html">8.1 版</a></td> |
| </tr> |
| <tr> |
| <td>8.0</td> |
| <td><a href="8.0/android-8.0-cdd.pdf">android-8.0-cdd.pdf</a></td> |
| <td><a href="8.0/android-8.0-cdd.html">android-8.0-cdd.html</a></td> |
| <td><a href="8.0/versions.html">8.0 版</a></td> |
| </tr> |
| <tr> |
| <td>7.1</td> |
| <td><a href="7.1/android-7.1-cdd.pdf">android-7.1-cdd.pdf</a></td> |
| <td><a href="7.1/android-7.1-cdd.html">android-7.1-cdd.html</a></td> |
| <td><a href="7.1/versions.html">7.1 版</a></td> |
| </tr> |
| <tr> |
| <td>7.0</td> |
| <td><a href="7.0/android-7.0-cdd.pdf">android-7.0-cdd.pdf</a></td> |
| <td><a href="7.0/android-7.0-cdd.html">android-7.0-cdd.html</a></td> |
| <td><a href="7.0/versions.html">7.0 版</a></td> |
| </tr> |
| <tr> |
| <td>6.0</td> |
| <td><a href="6.0/android-6.0-cdd.pdf">android-6.0-cdd.pdf</a></td> |
| <td><a href="6.0/android-6.0-cdd.html">android-6.0-cdd.html</a></td> |
| <td><a href="6.0/versions.html">6.0 版</a></td> |
| </tr> |
| <tr> |
| <td>5.1</td> |
| <td><a href="5.1/android-5.1-cdd.pdf">android-5.1.cdd.pdf</a></td> |
| <td><a href="5.1/android-5.1-cdd.html">android-5.1-cdd.html</a></td> |
| <td><a href="5.1/versions.html">5.1 版</a></td> |
| </tr> |
| <tr> |
| <td>5.0</td> |
| <td><a href="5.0/android-5.0-cdd.pdf">android-5.0.cdd.pdf</a></td> |
| <td><a href="5.0/android-5.0-cdd.html">android-5.0-cdd.html</a></td> |
| <td><a href="5.0/versions.html">5.0 版</a></td> |
| </tr> |
| <tr> |
| <td>4.4</td> |
| <td><a href="4.4/android-4.4-cdd.pdf">android-4.4.cdd.pdf</a></td> |
| <td><a href="4.4/android-4.4-cdd.html">android-4.4-cdd.html</a></td> |
| <td><a href="4.4/versions.html">4.4 版</a></td> |
| </tr> |
| <tr> |
| <td>4.3</td> |
| <td><a href="4.3/android-4.3-cdd.pdf">android-4.3.cdd.pdf</a></td> |
| <td><a href="4.3/android-4.3-cdd.html">android-4.3-cdd.html</a></td> |
| <td><a href="4.3/versions.html">4.3 版</a></td> |
| </tr> |
| <tr> |
| <td>4.2</td> |
| <td><a href="4.2/android-4.2-cdd.pdf">android-4.2.cdd.pdf</a></td> |
| <td><a href="4.2/android-4.2-cdd.html">android-4.2-cdd.html</a></td> |
| <td><a href="4.2/versions.html">4.2 版</a></td> |
| </tr> |
| <tr> |
| <td>4.1</td> |
| <td><a href="4.1/android-4.1-cdd.pdf">android-4.1.cdd.pdf</a></td> |
| <td><a href="4.1/android-4.1-cdd.html">android-4.1-cdd.html</a></td> |
| <td><a href="4.1/versions.html">4.1 版</a></td> |
| </tr> |
| <tr> |
| <td>4.0</td> |
| <td><a href="4.0/android-4.0-cdd.pdf">android-4.0.cdd.pdf</a></td> |
| <td><a href="4.0/android-4.0-cdd.html">android-4.0-cdd.html</a></td> |
| <td><a href="4.0/versions.html">4.0 版</a></td> |
| </tr> |
| <tr> |
| <td>2.3</td> |
| <td><a href="2.3/android-2.3-cdd.pdf">android-2.3.cdd.pdf</a><br /> |
| <a href="2.3/android-2.3.3-cdd.pdf">android-2.3.3-cdd.pdf</a></td> |
| <td><a href="2.3/android-2.3-cdd.html">android-2.3-cdd.html</a></td> |
| <td><a href="2.3/versions.html">2.3 版</a></td> |
| </tr> |
| <tr> |
| <td>2.2</td> |
| <td><a href="2.2/android-2.2-cdd.pdf">android-2.2.cdd.pdf</a></td> |
| <td><a href="2.2/android-2.2-cdd.html">android-2.2-cdd.html</a></td> |
| <td><a href="2.2/versions.html">2.2 版</a></td> |
| </tr> |
| <tr> |
| <td>2.1</td> |
| <td><a href="2.1/android-2.1-cdd.pdf">android-2.1.cdd.pdf</a></td> |
| <td><a href="2.1/android-2.1-cdd.html">android-2.1-cdd.html</a></td> |
| <td><a href="2.1/versions.html">2.1 版</a></td> |
| </tr> |
| <tr> |
| <td>1.6</td> |
| <td><a href="1.6/android-1.6-cdd.pdf">android-1.6.cdd.pdf</a></td> |
| <td><a href="1.6/android-1.6-cdd.html">android-1.6-cdd.html</a></td> |
| <td> </td> |
| </tr> |
| </tbody></table> |
| |
| </body></html> |