blocks|key|1288778|text|Windows+8有something+of+a+split+personality，架构如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1288779|​|1288780|📷|atomic|1288781|1288782|左边是较新的metro风格/+WinRT架构，而右边是较旧的Win32+/+.NET架构。据widely+reported报道，ARM平板电脑将只支持Metro+/+WinRT架构。没有迹象表明ARM设备需要不同的代码，基于它将具有相同的架构，这似乎是不太可能的。|1288783|1288784|还说，将应用程序从Windows+Phone+metro移植到Windows8+metro有多容易？我们能希望根本不改变代码是可能的吗？|blockquote|1288785|1288786|1288787|由于其架构上的相似性，将WP7应用程序移植到Win8稍微容易一些，即相似的应用程序生命周期和相似的受限API集。但是，肯定需要更改代码，请参阅本文，其中介绍了一个simple+cross-platform+Win8-WinRT+/+Silverlight应用程序。XAML+UI元素位于不同的命名空间中，这会影响您的所有UI代码，XAML命名空间映射语法也不同，因此您不能共享XAML。这真的有点乱。|1288788|有传言称WP8将使用same+WinRT+architecture，这将使代码共享成为可能。然而，我认为这是非常不可能的，微软已经引入了从WP6.5到WP7的重大架构变化，再次这样做会疏远开发人员。|1288789|entityMap|0|LINK|mutability|MUTABLE|url|http://www.scottlogic.co.uk/blog/colin/2011/09/windows-8-an-os-of-two-halves/|1|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/b91bfda2e9f8b6cc4a56ee8435094dcb.jpeg|imageAlt|2|http://www.slashgear.com/windows-8-arm-tablet-apps-metro-only-tips-insider-02199538/|3|http://www.scottlogic.co.uk/blog/colin/2011/09/tweetsearch-a-cross-platform-metro-ui-winrt-and-silverlight-application/|4|http://mobile.dzone.com/articles/windows-phone-8-and-winrt^0|A|W|0|0|0|0|1|1|0|0|1A|F|2|0|0|0|0|0|29|1A|3|0|A|N|4|0^^$0|@$1|2|3|4|5|6|7|1F|8|@]|9|@$A|1G|B|1H|1|1I]]|C|$]]|$1|D|3|E|5|6|7|1J|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|1K|8|@]|9|@$A|1L|B|1M|1|1N]]|C|$]]|$1|I|3|E|5|6|7|1O|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|1P|8|@]|9|@$A|1Q|B|1R|1|1S]]|C|$]]|$1|L|3|-4|5|6|7|1T|8|@]|9|@]|C|$]]|$1|M|3|N|5|O|7|1U|8|@]|9|@]|C|$]]|$1|P|3|-4|5|6|7|1V|8|@]|9|@]|C|$]]|$1|Q|3|-4|5|6|7|1W|8|@]|9|@]|C|$]]|$1|R|3|S|5|6|7|1X|8|@]|9|@$A|1Y|B|1Z|1|20]]|C|$]]|$1|T|3|U|5|6|7|21|8|@]|9|@$A|22|B|23|1|24]]|C|$]]|$1|V|3|-4|5|6|7|25|8|@]|9|@]|C|$]]]|W|$X|$5|Y|Z|10|C|$11|12]]|13|$5|14|Z|15|C|$16|17|18|-4]]|19|$5|Y|Z|10|C|$11|1A]]|1B|$5|Y|Z|10|C|$11|1C]]|1D|$5|Y|Z|10|C|$11|1E]]]]

Windows 8 has <a href="http://www.scottlogic.co.uk/blog/colin/2011/09/windows-8-an-os-of-two-halves/" rel="nofollow noreferrer">something of a split personality</a>, with the architecture shown below:

<img src="https://i.stack.imgur.com/RWFAg.jpg" alt="enter image description here">

The left hand side is the newer metro-style / WinRT architecture, whilst the right-hand side is the older Win32 / .NET architecture. It has been <a href="http://www.slashgear.com/windows-8-arm-tablet-apps-metro-only-tips-insider-02199538/" rel="nofollow noreferrer">widely reported</a> that ARM tablets will only support the Metro / WinRT architecture. There has been no indication that ARM devices will require different code, and this seems quite unlikely based on the fact that it will have the same architecture.

<blockquote>
 Also how easy would it be to port apps from Windows Phone metro to
 Windows 8 metro? Can we hope that no change to code at all is a
 possibility?
</blockquote>

It is slightly easier to port WP7 apps to Win8 due to the similarities in their architecture, i.e. a similar application lifecycle and a similar restricted set of APIs. However, there certainly are code changes required, see this article which presents a <a href="http://www.scottlogic.co.uk/blog/colin/2011/09/tweetsearch-a-cross-platform-metro-ui-winrt-and-silverlight-application/" rel="nofollow noreferrer">simple cross-platform Win8-WinRT / Silverlight</a> application. The XAML UI elements are in different namespaces, which has an impact on all of your UI code, the XAML namespace mapping syntax is different, so you cannot share XAML. It is a bit of a mess really.

There are rumours that WP8 will use the <a href="http://mobile.dzone.com/articles/windows-phone-8-and-winrt" rel="nofollow noreferrer">same WinRT architecture</a>, which would make code sharing possible. However, I think this is highly unlikely, Microsoft already introduced significant architectural changes from WP6.5 to WP7, doing it again would alienate developers.

blocks|key|4112657|text|ARM将不能托管“Windows7”模式，因为它的底层处理器架构，将只有Metro模式。因此，如果你有windows应用程序，它实际上不会运行。它需要重新编译/重新创建为metro风格的应用程序，并发布到marketplace。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4112658|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

ARM will not be able to host the "Windows 7" mode because of its underlying processor architecture and would just have Metro mode. So, if you have windows app, it effectively wont run. It needs to be re-compiled/re-created as a metro style app and published to marketplace.

As far as I understand the Metro part of the runtime is not x86 processor architecture and native code dependant and will work without any change to the code on say an x86 tablet or ARM tablet. Is this correct?

Also how easy would it be to port apps from Windows Phone metro to Windows 8 metro? Can we hope that no change to code at all is a possibility? 

Similarly, what about XBOX? Is there any chance Windows 8/Windows Phone metro apps can be easily ported to the new XBOX metro environment?

Will Windows 8 Metro apps require any change to the code in order to work on ARM based devices?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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据我所知，运行库的Metro部分并不依赖于x86处理器架构和本机代码，不需要对x86平板电脑或ARM平板电脑上的代码进行任何修改就能运行。这是正确的吗？此外，将应用程序从Windows Phone metro移植到Windows 8 metro有多容易？我们能希望根本不改变代码是可能的吗？同样，XBOX又如何呢？是否有...

问Windows 8 Metro应用程序需要对代码进行任何更改才能在基于ARM的设备上运行吗？
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问Windows 8 Metro应用程序需要对代码进行任何更改才能在基于ARM的设备上运行吗？EN