Apple HIG: Status Components Check for before asking questions. Use existing context and only ask for information not already covered. Key Principles Progress Indicators 1. Show progress for operations longer than a second or two. 2. Determinate when duration/percentage is known. A filling progress bar gives users a clear sense of remaining work. Use for downloads, uploads, or any measurable process. 3. Indeterminate when duration is unknown. A spinner communicates work is happening without promising a timeframe. Use for unpredictable network requests. 4. Prefer progress bars over spinners. D…