nextcloud / nextcloud/ios

App often freezes, slow performance when scrolling through files

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#1,979 0 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Swift
Stars
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Forks
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Avg merge
2d 18h
Merged PRs (30d)
13

Description

Actions Performed
Precondition: Many files available

  1. Open the app and login
  2. Now scroll up and down through the files, also use the scroll bar

Expected Result
The user can smoothly scroll through all files.

Actual Result
The app often freezes while scrolling through all files, especially when using the scroll bar.

Additional Information
None
Error Message
None

Environment
Apple iPhone 12 Pro Max - iOS 15.4

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files, tests, or entry points are named. Start by reproducing the freeze on an iPhone with many files while scrolling normally and with the scrollbar, then profile the file-list scrolling path. Done means scrolling remains smooth in both cases without freezes.

Written by the indexing model from the issue text.

Assessment

Tech stack
ios, swift
Domain
mobile-dev, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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