Apple developer： Human Interface Guildeline for iOS 

立个flag，今年把Human Interface Guildeline for iOS译完。

1. iOS

1.1 Themes

1.2 Interface Essentials

2. App Architecture

2.1 Loading

2.2 Modality

2.3 Navigation

2.4 Onboarding

2.5 Requesting Permission

2.6 Settings

3. User Interaction

3.1 3D Touch

3.2 Apple Pencil

3.3 Audio

3.4 Authentication

3.5 Data Entry

3.6 Drag and Drop

3.7 Feedback

3.8 File Handling

3.9 Gestures

3.10 Near Field Communication

3.11 Undo and Redo

4. System Capabilities

4.1 Augmented Reality

4.2 Multitasking

4.3 Notifications

4.4 Printing

4.5 Quick Look

4.6 Ratings and Reviews

4.7 Screenshots

4.8 TV Providers

5. Visual Design

5.1 Adaptivity and Layout

5.2 Animation

5.3 Branding

5.4 Color

5.5 Terminology

5.6 Typography

5.7 Video

6. Icons and Images

6.1 Image Size and Resolution

6.2 App Icon

6.3 Custom Icons

6.4 Launch Screen

6.5 System Icons

7. Bars

7.1 Navigation Bars

7.2 Search Bars

7.3 Status Bars

7.4 Tab Bars

7.5 Toolbars

8. Views

8.1 Action Sheets

8.2 Activity Views

8.3 Alerts

8.4 Collections

8.5 Image Views

8.6 Maps

8.7 Pages

8.8 Popovers

8.9 Scroll Views

8.10 Split Views

8.11 Tables

8.12 Text Views

8.13 Web Views

9. Controls

9.1 Buttons

9.2 Edit Menus

9.3 Labels

9.4 Page Controls

9.5 Pickers

9.6 Progress Indicators

9.7 Refresh Content Controls

9.8 Segmented Controls

9.9 Sliders

9.10 Steppers

9.11 Switches

9.12 Text Fields

10. Extensions

10.1 Custom Keyboards

10.2 Document Providers

10.3 Home Screen Actions

10.4 Messaging

10.5 Photo Editing

10.6 Sharing and Actions

10.7 Widgets