I have programmed a survey in Formhub to play a video. I am using a samsung phone, media stored in device storage/odk/forms/survey media. The media files play infrequently. When they do not play, I receive the error message "File://storage/emulated/0/odk/forms/survey/- is missing". Has anyone else experienced a similar issue where the video files play in some instances but not others? There has been no change in the survey, phone, or files uploaded to the phone.
Thanks!
Is this on a single phone?
Or does it happen on all phones?
Is it for a specific video, or randomly across many videos?
Or is it randomly happening among a fleet of devices?
The first thing to check is that the filename of the video is correct in
your form definition, and that it does not contain any unusual characters.
E.g., just a-zA-Z0-9. When defining forms with translations, it can be easy
to inadvertently use a Unicode value that looks similar to one of these
characters, but would not be understood to be the same by the software.
The next thing to check is whether this is correlated with:
(1) use of multiple-user logins on a device. We have only tested operations
when there is a single user on the device. If you enable multi-user logins
on the device, there may be issues we have not uncovered.
(2) differing Android operating system versions.
I have programmed a survey in Formhub to play a video. I am using a
samsung phone, media stored in device storage/odk/forms/survey media. The
media files play infrequently. When they do not play, I receive the error
message "File://storage/emulated/0/odk/forms/survey/- is missing". Has
anyone else experienced a similar issue where the video files play in some
instances but not others? There has been no change in the survey, phone, or
files uploaded to the phone.Thanks!
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Mitch Sundt
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University of Washington
mitchellsundt@gmail.com
This is on multiple (10) of the same make of phone, randomly across many videos. The file names are very simple, for example 12.m4v. There is only one login per device, but they are encrypted. All are running on Android 4.4.4.
Does this happen with any of the sample forms (say Birds or Miramare)
on https://opendatakit.appspot.com?
Yaw
On Thu, Jul 2, 2015 at 7:32 AM, kateyking@gmail.com wrote:
This is on multiple (10) of the same make of phone, randomly across many videos. The file names are very simple, for example 12.m4v. There is only one login per device, but they are encrypted. All are running on Android 4.4.4.
On Wednesday, July 1, 2015 at 10:04:19 PM UTC+3, Mitch Sundt wrote:
Is this on a single phone?
Or does it happen on all phones?
Is it for a specific video, or randomly across many videos?
Or is it randomly happening among a fleet of devices?
The first thing to check is that the filename of the video is correct in your form definition, and that it does not contain any unusual characters. E.g., just a-zA-Z0-9. When defining forms with translations, it can be easy to inadvertently use a Unicode value that looks similar to one of these characters, but would not be understood to be the same by the software.
The next thing to check is whether this is correlated with:
(1) use of multiple-user logins on a device. We have only tested operations when there is a single user on the device. If you enable multi-user logins on the device, there may be issues we have not uncovered.
(2) differing Android operating system versions.
On Wed, Jul 1, 2015 at 5:12 AM, kate...@gmail.com wrote:
I have programmed a survey in Formhub to play a video. I am using a samsung phone, media stored in device storage/odk/forms/survey media. The media files play infrequently. When they do not play, I receive the error message "File://storage/emulated/0/odk/forms/survey/- is missing". Has anyone else experienced a similar issue where the video files play in some instances but not others? There has been no change in the survey, phone, or files uploaded to the phone.Thanks!
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And is it only videos, or do you see this with image files?
Does this happen with any of the sample forms (say Birds or Miramare)
on https://opendatakit.appspot.com?Yaw
Need ODK services? http://nafundi.com provides form design, server
setup, professional support, and software development for ODK.On Thu, Jul 2, 2015 at 7:32 AM, kateyking@gmail.com wrote:
This is on multiple (10) of the same make of phone, randomly across many
videos. The file names are very simple, for example 12.m4v. There is only
one login per device, but they are encrypted. All are running on Android
4.4.4.On Wednesday, July 1, 2015 at 10:04:19 PM UTC+3, Mitch Sundt wrote:
Is this on a single phone?
Or does it happen on all phones?
Is it for a specific video, or randomly across many videos?
Or is it randomly happening among a fleet of devices?
The first thing to check is that the filename of the video is correct
in your form definition, and that it does not contain any unusual
characters. E.g., just a-zA-Z0-9. When defining forms with translations, it
can be easy to inadvertently use a Unicode value that looks similar to one
of these characters, but would not be understood to be the same by the
software.The next thing to check is whether this is correlated with:
(1) use of multiple-user logins on a device. We have only tested
operations when there is a single user on the device. If you enable
multi-user logins on the device, there may be issues we have not uncovered.(2) differing Android operating system versions.
On Wed, Jul 1, 2015 at 5:12 AM, kate...@gmail.com wrote:
I have programmed a survey in Formhub to play a video. I am using a
samsung phone, media stored in device storage/odk/forms/survey media. The
media files play infrequently. When they do not play, I receive the error
message "File://storage/emulated/0/odk/forms/survey/- is missing". Has
anyone else experienced a similar issue where the video files play in some
instances but not others? There has been no change in the survey, phone, or
files uploaded to the phone.Thanks!
--
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Mitch Sundt
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University of Washington
mitche...@gmail.com--
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Mitch Sundt
Software Engineer
University of Washington
mitchellsundt@gmail.com