Background Assets sample architecture
Source-backed, high-level architecture notes for Apple sample-code pages grouped in the Background Assets folder.
- Catalog module label:
Background Assets - Coverage: 1 / 1 sample pages documented
- Source policy: archive hashes and extracted-tree references are verified locally before analysis
Samples
| Sample | Platforms | High-level architecture | Documented patterns |
|---|---|---|---|
| Downloading essential assets in the background | iOS, iPadOS, Mac Catalyst, macOS, tvOS, visionOS | A Swift sample with the source-visible chain App → ContentView → PreviewSessionManager → LocalSession → BackgroundAssets APIs. |
Delegate or data-source callbacks, SwiftUI environment injection, Binding-based state propagation, Publisher-backed observable state, Actor-isolated state |
Cross-sample signals
Recurring documented patterns
| Pattern label | Sample documents |
|---|
Type-role naming evidence
Counts below are declaration-name suffixes, not inferred patterns.
| Role suffix | Distinct declarations across samples |
|---|---|
Manager |
2 |
Session |
2 |
View |
2 |
App |
1 |
Handler |
1 |
Swift access-control evidence
These are declaration occurrences in scanned Swift source, including implicit internal declarations.
| Access level | Occurrences |
|---|---|
implicit internal |
162 |
private |
19 |
public |
3 |
fileprivate |
1 |
References
Generated from the verified local catalog and completed Markdown documents.