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SwiftUI

导航

App structure

App organization

Scenes

Windows

Creating windows

WindowGroup

Window

WindowStyle

Styling the associated toolbar

Opening windows

Closing windows

Positioning and sizing a window

Immersive spaces

Creating an immersive space

Opening an immersive space

Closing the immersive space

Hiding upper limbs during immersion

Adjusting content brightness

Documents

Navigation

Presenting views in columns

Stacking views in one column

Managing column collapse

Setting titles for navigation content

Configuring the navigation bar

Presenting views in tabs

Displaying views in multiple panes

Modal presentations

Showing a sheet, cover, or popover

Adapting a presentation to size classes

Configuring a sheet’s height

Styling a sheet and its background

Presenting an alert

Presenting an alert with a message

Getting confirmation for an action

Showing a confirmation dialog with a message

Configuring a dialog

Exporting to file

Importing from file

Moving a file

Configuring a file dialog

Presenting an inspector

Dismissing a presentation

Toolbars

Populating a toolbar

Populating a customizable toolbar

Removing default items

Setting toolbar visibility

Specifying the role of toolbar content

Styling a toolbar

Configuring the toolbar title display mode

Setting the toolbar title menu

Creating an ornament

Search

App extensions

App extensions

Creating a widget extension

Supporting additional widget sizes

Data and storage

Model data

Environment values

Preferences

Persistent storage

View fundamentals

View configuration

View styles

Styling buttons

Styling pickers

Styling menus

Styling toggles

Styling indicators

Styling views that display text

Styling collection views

Styling navigation views

Styling groups

Animations

Index

Adding state-based animation to an action

Adding state-based animation to a view

Creating phase-based animation

Creating custom animations

Making data animatable

Updating a view on a schedule

Synchronizing geometries

Defining transitions

Moving an animation to another view

Text input and output

Displaying text

Getting text input

Selecting text

Setting a font

Adjusting text size

Managing text layout

Limiting line count for multiline text

Managing text entry

Dictating text

Localizing text

Images

Creating an image

Configuring an image

Loading images asynchronously

Setting a symbol variant

Managing symbol effects

Rendering images from views

Controls and indicators

Creating buttons

Creating special-purpose buttons

Linking to other content

Getting numeric inputs

Choosing from a set of options

Choosing dates

Choosing a color

Indicating a value

Menus and commands

Creating a menu

Creating context menus

Defining commands

Shapes

Drawing a path

Defining shape behavior

Drawing and graphics

Immediate mode drawing

Setting a color

Styling content

Transforming colors

Scaling, rotating, or transforming a view

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