Apple HIG: System Experiences Check for before asking questions. Use existing context and only ask for information not already covered. Key Principles General 1. Glanceable, immediate value. System experiences bring your app's most important content to surfaces the user sees without launching your app. Design for seconds of attention. 2. Respect platform context. A Lock Screen widget has different constraints than a Home Screen widget. A complication is far smaller than a top shelf item. Widgets 3. Show relevant information, not everything. Display the most useful subset, updated appropriatel…