A faster alternative to AndroidX's DocumentFile

Related tags

Demo DocumentFileCompat
Overview

DocumentFileCompat

A faster alternative to AndroidX's DocumentFile.

The Problem with DocumentFile

It is horribly slow!
For almost every method, there is a query to ContentResolver.

The most common one is DocumentFile.findFile(), DocumentFile.getName() and other is building a Custom Data Model with multiple parameters.
This can take like a horrible amount of time.

Solution

DocumentFileCompat is a drop-in replacement which gathers relevant parameters when querying for files.
The performance can sometimes peak to 2x or quite higher, depending on the size of the folder.

Check the screenshots below:

     

48 whopping seconds for directory listing compared to 3.5! (Obviously, No competition with the Native File API).
Also extracting file information does not take that much time but the improvement is still significant.

Note: DocumentFileCompat is something that I used internally for some projects & therefore I didn't do much of file manipulation with it (only delete files) and therefore this API does not offer too much out of the box .
This is now a completely usable alternative to DocumentFile.

Reference:

  1. https://stackoverflow.com/a/42187419/6819340
  2. https://stackoverflow.com/a/63466997/6819340
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Comments
  • Directory detection always returns true.

    Directory detection always returns true.

    Hey great work with this alternative to DocumentFile. For my current project i can not use the original one because it is way too slow. I found one bug. The function ResolverCompat.isTreeUri() (in file ResolverCompat.kt:101) does not work anymore. It always returns true. So all files declared as directory. For me it works fine when i only use the mime type to decide if it is a directory.

        // Returns True if the Uri is a Tree Uri, false otherwise.
    internal fun isTreeUri(): Boolean {
        val paths = uri.pathSegments
        return paths.size >= 2 && "tree" == paths[0]
    }
    opened by timo-drick 4
  • Latest release tag doesn't point to the correct commit

    Latest release tag doesn't point to the correct commit

    Hey there. I'm opening this issue as we're planning to use this library for Skyline Emulator. I figured I'd be writing essentially the same code, so it would be pretty stubborn of me to do the work again.

    As per #1, some commits were added after tag 0.8, but the tag was not updated accordingly. #1 says the following:

    Completed via https://github.com/ItzNotABug/DocumentFileCompat/commit/f7df1334410976187ca43cf9ad8f19f015447c3b. The new artifact has the same api & has the same published version (0.8)

    but the current 0.8 tag makes it confusing when looking at the repo. Is the new package published on Maven Central? And could you update tag 0.8 to point to the correct commit?

    opened by lynxnb 2
Releases(0.91)
Owner
DarShan
SIH'20 Winner, Entrepreneur, Google Certified Android Dev, Flutter, and a lil bit of iOS Swift. 🔥🙌
DarShan
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