HIDDriverKit

1. Essentials

   Covers com.apple.developer.driverkit.transport.hid, Handling Keyboard Events from a Human Interface Device, Handling Stylus Input from a Human Interface Device.

2. Samples

   Covers DriverKit sample code.

3. Driver Interfaces

   Covers com.apple.developer.driverkit.family.hid.eventservice, IOUserHIDEventDriver, IOUserHIDEventService, IOHIDEventService.

4. Providers

   Covers com.apple.developer.driverkit.family.hid.device, IOHIDInterface, IOUserUSBHostHIDDevice, IOUserHIDDevice.

5. Events

   Covers IOHIDDigitizerStylusData, IOHIDDigitizerTouchData.

6. HID Usage Tables

   Covers HID Usage Tables, Match Criteria.

7. HID Device Data

   Covers IOHIDElement, IOHIDDigitizerCollection, com.apple.developer.hid.virtual.device, Low-Level Information.

8. Reference

   Covers HIDDriverKit Macros.

9. Macros

   Covers kIOHIDDeviceApprovedCarPlayDeviceKey, kIOHIDDeviceCarPlayDeviceKey, kIOHIDDeviceHIDRMHashKey, kIOHIDEventServicePropertiesRequiredForMatching.

10. Enumeration Cases

    Covers kHIDUsage_GenDevControls_BatteryStrength, kHIDUsage_LED_BlueLEDChannel, kHIDUsage_LED_GoodStatus, kHIDUsage_LED_GreenLEDChannel.

11. Enumerations

    Covers IOHIDServiceSensorControlOptions.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• GameSave Graphics and Games
• GeoToolbox App Frameworks
• GLKit Graphics and Games
• Group Activities Media
• GSS System
• HealthKit App Services
• HomeExtensions App Frameworks
• HomeKit App Services
• HTTP Live Streaming Media
• hvf App Frameworks
• Hypervisor System
• iAd App Services