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Re: Android Tablet - unable to see files using PC

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On 11/22/2016 2:32 AM, Davidm wrote:
> On Sun, 20 Nov 2016 18:33:29 +0000, Davidm
> <davidm_uk-notme@hotmail.com> wrote:
>
>> On Sun, 20 Nov 2016 17:18:51 -0000 (UTC), lew
>> <citrustwosac@google.mailer.company.invalid> wrote:
>>
>>> On 2016-11-20, Davidm <davidm_uk-notme@hotmail.com> wrote:
>>>> On Sat, 19 Nov 2016 00:56:47 +0100, "Carlos E.R."
>>>> <robin_listas@invalid.es> wrote:
>>>>
>>>>> On 2016-11-18 14:41, Davidm wrote:
>>>>>> I have a Hudl 2 Andoid (5.1) tablet with an SD card. I download epub
>>>>>> files from my PC to a folder on the SD card for reading, and I can see
>>>>>> and open these files from the PC. When I've read a book using the
>>>>>> tablet I then use ES File Explorer on the tablet to move the epub file
>>>>>> to a sub folder ("Read"), so that later I can mark them as read in the
>>>>>> library on the PC. However when I open this sub folder via the PC non
>>>>>> of the files are visible (and the properties show the folder as having
>>>>>> 0 files). These files are visible on ES File Explorer.
>>>>>>
>>>>>> Any idea why they don't show up when viewed via the PC?
>>>>>>
>>>>>> The tablet and PC are connected via USB cable, and the tablet connects
>>>>>> as a media device (MTP).
>>>>>
>>>>> That directory, is in the memory card? Extract it temporarily, and use a
>>>>> card reader on the computer to read it. Maybe run a disk check on the card.
>>>>>
>>>> I don't have a card reader in the PC, or a plug in USB one.
>>>>> You could use software such as "Calibre" on the computer to do the epub
>>>>> sync. I have not tried to do this yet with my tablet, only with an epub
>>>>> reader. It just occurred to me that it should do it.
>>>> I do use Calibre on the PC and it does detect the Hudl, and displays
>>>> the book files on "Books" folder in the SD card on the tablet, but it
>>>> doesn't detect any files in the "Read" subfolder. And yes, I have
>>>> configured Calibre to use both the Books folder and it's Read sub
>>>> folder.
>>>
>>> Regarding the OTG, I don't have any ideas but it does look like
>>> the Hudl is working as well as the usb cable with this additional
>>> info.
>>>
>>> It looks like the problem is that the subfolder is the culprit.  I
>>> kind of recall a similar thing happening to me but it was a
>>> folder not a subfolder; & it happened with 4.x & Nexus 7 or
>>> a Nook HD+.  Thought that I had created the folder on the
>>> tablet using a windows app & an usb connection.  Decided
>>> that my problem was the win app doing the file management
>>> & so used the tablet to do its folder creation instead from a
>>> "remote" win app.  The caveat is that the problem could have
>>> been the reverse of what I can recall as stated.
>> Ah, ok. I used the PC to create that sub folder, so I'll try deleting
>> it then recreate it using ES File Explorer on the tablet. Will post
>> back with the result.
> Well that didn't work either. After a few more tests:
>  From the PC I can see folders and files that I've created via the PC
> on the SD card.
>  From the Hudl I can see folders and files that I've created via the PC
> on the SD card.
>  From the Hudl I can see folders and files that I've created via the
> Hudl on the SD card.
>  From the PC I can only see folders that I've created via the Hudl on
> the SD card, NOT any files
> The problem only applies to the SD card, files on the main memory can
> be created and read from PC or Hudl.
>
I have a similar problem.
Here's what I kinda-sorta-think-I-learned.
In their infinite wisdom, Google decided that applications cannot write
arbitrarily to the SD card...for your protection...yeah...GRRRR!!!!

If I plug the usb cable into my android 5 phone, I can read/write the SD 
card using the PC.
I can access those files on the SD card using the phone.
The problem is when I try to WRITE from the phone to the SD card.
There's only one app that can write arbitrarily to the SD card, the 
myfiles app
that's on the stock android.
Other apps can only write to their own directories that they created on
the SD card.
That leaves out older apps.
Apps that keep up with the continuous juggling that google does to 
android can create directories that they can write.  I believe that
totalcommander can make it look like you have access to the SD card
using other apps,
but if you delete totalcommander, all the files vanish, per the 
documented warning to that effect.
If you try to read the files from the PC, they may not be where
you think they are and may have different names...I never looked.

Since I have a wireless charger permanently attached to my usb port,
the only option I've discovered so far is to use wifi to access files
on a local http file server and download files to my downloads directory.
Then, I can use the myfiles app to move them to the SD card.
As you can imagine, copying 32GB of mp3s a gigabyte at a time and 
manually moving them is a real PITA.

As an experiment, use myfiles to move the files on the SD card.  That
should work.
If you find a better way, let us know.

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Thread

Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-18 13:41 +0000
  Re: Android Tablet - unable to see files using PC lew <citrustwosac@google.mailer.company.invalid> - 2016-11-18 16:31 +0000
    Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-18 19:13 +0000
      Re: Android Tablet - unable to see files using PC Bob <Bob@the.builder> - 2016-11-18 15:37 -0600
        Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-20 15:32 +0000
      Re: Android Tablet - unable to see files using PC lew <citrustwosac@google.mailer.company.invalid> - 2016-11-19 02:18 +0000
        Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-20 15:36 +0000
  Re: Android Tablet - unable to see files using PC "(PeteCresswell)" <x@y.Invalid> - 2016-11-18 16:25 -0500
    Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-20 15:38 +0000
  Re: Android Tablet - unable to see files using PC "Carlos E.R." <robin_listas@invalid.es> - 2016-11-19 00:56 +0100
    Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-20 15:43 +0000
      Re: Android Tablet - unable to see files using PC lew <citrustwosac@google.mailer.company.invalid> - 2016-11-20 17:18 +0000
        Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-20 18:33 +0000
          Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-22 10:32 +0000
            Re: Android Tablet - unable to see files using PC "Carlos E.R." <robin_listas@invalid.es> - 2016-11-22 13:54 +0100
            Re: Android Tablet - unable to see files using PC lew <citrustwosac@google.mailer.company.invalid> - 2016-11-22 16:47 +0000
              Re: Android Tablet - unable to see files using PC "Carlos E.R." <robin_listas@invalid.es> - 2016-11-22 19:13 +0100
            Re: Android Tablet - unable to see files using PC mike <ham789@netzero.net> - 2016-11-22 16:14 -0800
              Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-23 10:45 +0000
  Re: Android Tablet - unable to see files using PC Davidm <davidm_uk-notme@hotmail.com> - 2016-11-19 09:43 +0000

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