Automates prefetching of content in UITableView and UICollectionView for iOS/tvOS apps.
Preheat is a Swift library that automates prefetching of content in UITableView and UICollectionView for iOS and tvOS applications. It detects cells that are soon to appear on screen and prefetches their content, such as images, to improve scrolling performance and user experience. The library is designed to work with any image loading system, including Nuke.
iOS and tvOS developers building apps with table views or collection views that display content like images, where smooth scrolling and performance are critical.
Developers choose Preheat for its simplicity and automation in handling prefetching, reducing manual boilerplate code. It integrates seamlessly with existing image loading libraries and offers fine-grained control over prefetching logic, though it's deprecated in favor of iOS 10's built-in prefetching APIs.
Automates prefetching of content in UITableView and UICollectionView
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
Automatically detects upcoming cells in table and collection views, reducing manual boilerplate code. The README shows it handles added and removed index paths via a callback for precise control.
Works with any image loading library, including Nuke which it was designed for, as demonstrated in the example code. This allows seamless integration into existing projects without locking into a specific system.
Supports setting low priority on prefetch requests to avoid impacting UI responsiveness during scrolling. The usage example shows how to assign low priority to requests, ensuring smooth performance.
Offers straightforward installation via CocoaPods or Carthage, with clear dependency instructions in the README. This makes it accessible for Swift projects with minimal setup hassle.
The README explicitly states Preheat is deprecated on iOS 10, recommending Apple's built-in prefetching APIs instead. This limits its relevance for modern apps and poses a migration burden.
While it supports iOS 8.0+/tvOS 9.0+, it doesn't leverage newer iOS features and requires Xcode 9 and Swift 4, which may not align with current development standards.
To maximize benefits, developers often need to integrate separate image loading libraries like Nuke, adding complexity and potential compatibility issues to the project setup.
Being deprecated, the library is unlikely to receive updates or support for new iOS versions or Swift changes, making it risky for long-term or evolving projects.