This application showcases the Astronomy Picture of the Day (APOD), as provided by NASA's APOD API. It offers users a list view of the latest astronomy pictures from the past 7 days, including their titles and capture dates. Tapping on a list item navigates to a detail view where users can see an enlarged image and read a detailed description.
- The Model-View-ViewModel (MVVM) pattern was adopted for its benefits in separating concerns, enhancing both the maintainability and testability of the code.
- Architecture: MVVM
- Displays a list of Astronomy Pictures from the last 7 days using
UICollectionViewm,UICollectionViewDiffableDataSource. - Shows an alert popup in case of any errors.
- Displays the details of an Astronomy Picture.
- A network layer was implemented using
URLSessionfor fetching data.
- Caching mechanisms were integrated using
NSCachefor images in memory. - Disk caching is used to cache images in the Temporary folder.
- Disk caching is also used to cache data fetched from APIs.