我想知道我是否错过了在我的旧手机上只有一个"隐藏" 的东西，尚未达到棉花糖，有一个可以移动一部分的十几个应用程序他们的代码和数据到SD卡，释放有价值的内部存储。在一部新的手机（Moto G2，如果它很重要）直接到M，我知道现在采用的便携式存储器VS采用了，我已经找到了迁移选项......但是当我这样做时，它会说'这将释放1.x mb'。是的，您读取了右 - MB，而不是GB。显然，它几乎没有移动 - 目前，现在这款手机在它上有更多或更少的应用程序（可能较少，但绝对应该是至少10个应用程序）。
这是m的变化伤亡吗？为什么我不能像以前一样移动相同的应用程序？或者他们需要获取 WRITE_EXTERNAL_STORAGE 权限（即，必须首先使用它们）在此之前是可能的吗？
（当我们在它的时候，为什么不能移动所有应用程序？我理解Linux / Android只需安装一切，无论源代码如何，都是如此一切栏是最基本的操作系统应用程序应该是可移动的，也可以在没有他们的代码中实现的，甚至意识到它们来自内存以外的地方，肯定是？）
I am wondering if I am missing something that has simply become a bit more 'hidden' in M. On my old phone, which had not reached Marshmallow yet, there were, say, a dozen apps that could move a portion of their code and data to the SD card, freeing up valuable internal storage. On a new phone (Moto G2, if it matters) that has gone straight to M, I am aware of the portable storage vs adopted thing now, and I have found the Migrate option... but when I do that, it says 'this will free up 1.X Mb'. Yes, you read that right - Mb, not Gb. Apparently it is moving pretty much nothing - yet this phone has more or less the same apps on it now (possibly a couple less, but there should definitely be at least 10 apps).
Is this a casualty of the changes in M? Why can I not move the same apps over as before? Or do they require getting the WRITE_EXTERNAL_STORAGE permission on the fly (i.e., must use them first to get it) before that is possible?
(While we're at it, why can't all apps be moved? It is my understanding that Linux / Android simply mount everything, regardless of source, as a partition - so in theory everything bar the most fundamental OS apps should be movable and usable without their code even realising they come from somewhere other than internal memory, surely?)
（总结为Izzy建议的答案。）
当您在MarshMoLall（6.0）下的SD卡的全部或分区开始时，该SD卡或分区成为内部存储器的扩展。根据电话型号，它随后可以称为内部存储器，或者仍然可能似乎是完全单独的实体。如果您愿意，您可以重命名卡，以帮助澄清这一点。
Android将在SD卡部分上安装/移动应用程序和数据（作为零件的OS的旧版本），因此当它在内存中的房间运行时，它会愉快地走打开使用SD卡。
当内部存储器或卡迁移数据'时，这似乎与任何特定应用程序存储的数据明显不同，但是似乎是指连接设备（PC的归档系统的该部分或Mac）或文件管理器应用程序可以查看。因此，似乎在使用迁移数据时似乎没有值 - 只要留下它，系统将处理它。
（通过演示方式，根据我的原始问题，使用来自内部存储的迁移数据似乎只移动了大约1 MB的数据;当我迁移回来时，系统突然决定移动1 GB的应用程序和数据在卡上，从而表明它确实是智能地移动物品。）
(Summarising into an answer as suggested by Izzy.)
When you adopt all or a partition of an SD card under Marshmallow (6.0) onwards, that SD card or partition becomes an extension of the internal memory. Depending on the phone model it may subsequently be referred to as internal memory, or it might still appear to be a completely separate entity. You can rename the card if you wish, to help clarify this.
Android will install / move apps and data (as older versions of the OS referred to the parts) onto the SD card portion as it sees fit, and thus when it runs out of room in the internal memory, it will happily go on to use the SD card.
When the internal memory or your card refers to 'Migrate data', this appears to be distinctly different from the data stored by any particular app, but instead appears to refer to that portion of the filing system that a connected device (PC or Mac) or a file manager app can view. Thus, there appears to be no value in using Migrate Data - just leave it where it is, the system will handle it.
(By way of demonstration, as per my original question using Migrate Data from the internal storage appeared to only move about 1 Mb of data; when I migrated it back, the system suddenly decided to move 1 Gb's worth of app and data onto the card, thus showing that it was indeed moving items around intelligently.)
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