Galaxy Nexus has built-in MTP support not USB Mass Storage
Posted on | November 21, 2011 | No Comments
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Dan Morrill, an engineer at Google, just to indicate that access to the memory of the Galaxy Nexus occur with the MTP and not the USB Mass Storage (UMS). For Ice Cream Sandwich, the manufacturer may choose where they want.
Smartphones on Google, “the link” has always been the goal, the road to the makers of the show. Some reports go, is accused of microUSB for the transfer and battery. Other less …: The Nexus S is a special area of the internal memory to external memory (microSD) is now considered too unreliable. The advantage of it for cheap microSD to store all multimedia files. But very few manufacturers that path because it is a step backwards for many consumers. Under this policy, this means creating versions of the terminal according to the onboard memory and prices to skyrocket the cause.
Since the introduction of tablets in Honeycomb, some have a card reader, while others do not. However, one point will be on many models (Motorola Xoom, Galaxy Tab, Sony Tablet S … they are compatible MTP, so that the USB Mass Storage. The advantage of the mass memory is detected by all modern computers, without the usual additional software. For the PSG is not the case because the file transfer using Android on a Mac or have a good knowledge of Unix systems (= Madame Michu’ll never). It should be noted however, that the implementation of this Protocol can now also continue the tablet without using blocked access control. As for smartphones, Sony Ericsson offers the possibility of using the superposition of the two USB mass storage or MTP what appears to be the most flexible.
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Two questions were legitimate, then: Google, he decided to abandon the USB mass storage? What Ice Cream Sandwich? The website U. S. Android Police put these questions to Dan Morrill, an engineer at Google:
Ice Cream Sandwich compatible USB Mass Storage (UMS). The Galaxy Nexus, it’s the same scenario as Honeycomb: The system works very well, but not like the Motorola Xoom.
If a device with a removable SD card, then it will support the USB mass storage. If only memory (Motorola Xoom or Galaxy Nexus), it will process (in general) the MTP and PTP.
It is physically impossible, the EMS terminals that do not support a partition to store (such as a removable SD memory card, or another partition on the Nexus S). That’s because UM a block level protocol that allows direct access to physical blocks of the terminal, why not use Android, this memory can provide the same.
With the unified storage model we introduced in the Honeycomb, we share your 32GB (or 16GB or whatever) between the different actors. In other words, you do not look sad 5GB of free space on a Nexus S, with the partitioning of the application data – is a single volume.
However, the cost is no longer able to provide a connection through the EMS. Instead, we use the GMP. Windows (used by most users), he managed to direct the driver of the MTPs in the file browser. Linux and Mac, this is unfortunately not so simple, but I am confident that we can improve the situation.
Overall it’s a much better experience in the Galaxy Nexus.
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