ADK 1.0设备无法与果冻豆的工作，为什么？ [英] ADK 1.0 devices fail to work with Jelly Bean, why?

问题描述

刚刚将尝试和真正的ADK从犯的Nexus 7和Galaxy Nexus的 - 它无法与无法读取器协议版本的消息连接。认为董事会死了，连接的Nexus S采用ICS - 工作就好了。曾在Galaxy Nexus的前果冻豆升级为好，这样的硬件故障可以排除。

Just connected the tried and true ADK accessory to Nexus 7 and Galaxy Nexus - and it failed to connect with "could not read device protocol version" message. Thought that the board died, connected to Nexus S with ICS - worked just fine. Worked on Galaxy Nexus before Jelly Bean upgrade as well, so hardware failure can be ruled out.

我一直在看ADK公告pretty的紧密结合，但不记得读或听到任何关于这个特别的变化，也不支持ADK 2.0 Android设备的向后兼容性。

I've been watching ADK announcements pretty closely, but don't remember reading or hearing anything about this particular change, nor backward compatibility of Android devices supporting ADK 2.0.

配件开发套件2011 的向导说，协议版本1是支持的Andr​​oid 2.3.4（API 10级）及以上。协议版本2支持的Andr​​oid 4.1（API等级16）和更高，它并没有说那个版本1的没有的4.1的支持，这将是pretty的离奇地发现，现有的硬件会就这样放弃了。

Accessory Development Kit 2011 Guide says "Protocol version 1 is supported by Android 2.3.4 (API Level 10) and higher. Protocol version 2 is supported by Android 4.1 (API Level 16) and higher", it doesn't say that version 1 is not supported by 4.1, and it would be pretty bizarre to find that existing hardware would be abandoned just like that.

我在想什么吗？这是一个错误或功能？

What am I missing here? Is this a bug or a feature?

推荐答案

去年发布的不承认新AOA v2协议的软糖设备（安卓4.1及以上），说话老ADK1库。这是固定在一个更新的ADK1库发布。

The old ADK1 libraries released last year don't recognize the new AOA v2 protocol that JellyBean devices (Android 4.1 and up) speak. This was fixed in an updated ADK1 library release.

去拿新ADK1库：

• <一个href="http://developer.android.com/tools/adk/adk.html">http://developer.android.com/tools/adk/adk.html （寻找release_20120606或更高的zip下载）

• http://developer.android.com/tools/adk/adk.html (look for "release_20120606" or higher in the zip download)

更新您的ADK库，并上传你的ADK1草图。请注意，新库已更新的Arduino 1.0和更高的工作，所以你可能需要更新你的Arduino IDE以及。

Update your ADK libraries and upload your ADK1 sketch. Note that the new libraries have been updated to work with Arduino 1.0 and higher, so you will probably have to update your Arduino IDE as well.

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