Messages sample architecture
Source-backed, high-level architecture notes for Apple sample-code pages grouped in the Messages folder.
- Catalog module label:
Messages - Coverage: 2 / 2 sample pages documented
- Source policy: archive hashes and extracted-tree references are verified locally before analysis
Samples
| Sample | Platforms | High-level architecture | Documented patterns |
|---|---|---|---|
| Creating a Sticker App with a Custom Layout | iOS, iPadOS, Mac Catalyst | A Swift sample centered on MessagesViewController, with direct use of UIKit, Messages. |
View-controller organization, Delegate or data-source callbacks |
| IceCreamBuilder: Building an iMessage Extension | iOS, iPadOS, Mac Catalyst | A Swift sample with the source-visible chain AppDelegate → BuildIceCreamViewController → Messages APIs. |
View-controller organization, Protocol-oriented abstraction, Delegate or data-source callbacks |
Cross-sample signals
Recurring documented patterns
| Pattern label | Sample documents |
|---|---|
| View-controller organization | 2 |
| Delegate or data-source callbacks | 2 |
Type-role naming evidence
Counts below are declaration-name suffixes, not inferred patterns.
| Role suffix | Distinct declarations across samples |
|---|---|
Controller |
6 |
View |
5 |
Delegate |
3 |
Swift access-control evidence
These are declaration occurrences in scanned Swift source, including implicit internal declarations.
| Access level | Occurrences |
|---|---|
implicit internal |
259 |
private |
32 |
fileprivate |
3 |
References
Generated from the verified local catalog and completed Markdown documents.