how to get date of last updating image file or its size?

alexandr-denisenko · July 13, 2016, 9:23am

Hello , i need to refresh images in my app , and i want to download images only when they was updated on server.
How i can do this ? I think about next methods:

get image’s file size by API ? - how to get it?
get last date of updating every image’s file - how to get it ?

vyacheslav-vdovichenko · July 13, 2016, 10:44am

Hi Alexandr,

get image’s file size by API ?
YES, please see https://backendless.com/documentation/files/android/file_directory_listing.htm
get last date of updating every image’s file?
NO, but we plan to add this feature in one of the next releases

Regards,
Slava

alexandr-denisenko · July 13, 2016, 11:38am

Hello! Unfortunately, size of image that getted from you API, and the size of image that my Realm.io base storage keeps (image as data) always diffrent (don’t know why)

When i see information about files, in web version of backendless , i see parameter ‘timestamp’ , is this an information about date of creating file ? is this the same parameter that i get from API ? (like createdOn = 1460995058000;)

sergey-chupov · July 14, 2016, 8:32am

Hi Alexandr

The size may be different because we round it by 1024 bytes.

Yes, both on console and in the response to the API call you receive a date when the file was created, not updated.