Data and privacy
Provide a coherent privacy policy.
HealthKit integration
Request access to health data only when you need it.
Clarify your app’s intent by adding descriptive messages to the standard permission screen.
Manage health data sharing solely through the system’s privacy settings.
CareKit views
Tasks
Use the simple style for a one-step task.
Use the instructions style when you need to add informative text to a simple task.
Use the log style to help people log events.
Use the checklist style to display a list of actions or steps in a multistep task.
Use the grid style to display a grid of buttons in a multistep task.
Consider using color to reinforce the meaning of task items.
Combine accuracy with simplicity when describing a task and its steps.
Consider supplementing multistep or complex tasks with videos or images.
Charts
Consider highlighting narratives and trends to illustrate progress.
Label chart elements clearly and succinctly.
Use distinct colors.
Consider providing a legend to add clarity.
Clearly denote units of time.
Consolidate large data sets for greater readability.
If necessary, offset data to keep charts proportional.
Contact views
Consider using color to categorize care team members.
Notifications
Minimize notifications.
Consider providing a detail view.
Symbols and branding
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Designs that coordinate with CareKit’s visual design language
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Support for creating custom symbols to represent the unique content in your app
Design a relevant care symbol.
Incorporate refined, unobtrusive branding.
For the complete guidance, including worked examples and illustrations, see the canonical page: https://developer.apple.com/design/human-interface-guidelines/carekit