platform-guideline checked
Apple Human Interface Guidelines Progress indicators
Documents determinate and indeterminate progress indicators, and recommends activity indicators for background operations or constrained spaces where an indeterminate wait needs concise status.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Loading spinner | Choose loading spinner when the wait is indeterminate, short, and tied to a named action or region. | The spinner appears only after the operation starts and disappears or changes state when the operation resolves, fails, is cancelled, or moves to background. | Apple supports activity indicators for concise indeterminate status in background operations or constrained spaces. |
Evidence Role
This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: Apple. Last checked: .