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
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
