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SwiftUI for Masterminds
How to take advantage of SwiftUI to create insanely great apps for iPhones, iPads and Macs
6th Edition
February 2026
ISBN: 978-1-0699942-0-2
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Chapter 1 - App Development
Figure 1-1: Xcode in the App Store
Figure 1-2: Xcode's welcome screen
Figure 1-3: Selecting the type of project
Figure 1-4: Project configuration window
Figure 1-5: Xcode’s interface
Figure 1-6: Buttons to configure the Editor Area
Figure 1-7: Editor Options
Figure 1-8: Editor panel
Figure 1-9: Project files
Figure 1-10: Project settings
Figure 1-11: Options available to run the app
Figure 1-12: App running in the simulator
Figure 1-13: Developer mode
Chapter 2 - SwiftUI Framework
Figure 2-1: Swift files created by the Multiplatform App template
Figure 2-2: Views hierarchy
Figure 2-3: Preview buttons
Figure 2-4: Preview configuration
Figure 2-5: Text view showing the value of a property
Figure 2-6: Text view with formatted values
Figure 2-7: Date displayed with a Text view
Figure 2-8: Text view displaying a timer
Figure 2-9: Dynamic font types
Figure 2-10: Modifier applied to a Text view
Figure 2-11: Using the system font with a custom size
Figure 2-12: Multiple styles applied to a text
Figure 2-13: Nested Text views with different styles
Figure 2-14: Semibold text
Figure 2-15: Multiline text
Figure 2-16: Truncation mode
Figure 2-17: Text with the Georgia font
Figure 2-18: Dragging files from Finder to our Xcode’s project
Figure 2-19: Options to add files to the project
Figure 2-20: Adding fonts to the project
Figure 2-21: Text with a custom font
Figure 2-22: Coordinate system of an iPhone
Figure 2-23: View with a fixed size and the content aligned to the left (leading)
Figure 2-24: Flexible view
Figure 2-25: View with padding
Figure 2-26: Padding only on the sides
Figure 2-27: Padding at the top and bottom
Figure 2-28: Color view
Figure 2-29: Empty Asset Catalog
Figure 2-30: Colors for Light and Dark appearances
Figure 2-31: New color for Dark appearance
Figure 2-32: Custom color in Dark appearance
Figure 2-33: Text in different color
Figure 2-34: View with a background
Figure 2-35: Background applied before and after the padding
Figure 2-36: Background and border applied to a view
Figure 2-37: Overlay
Figure 2-38: Gradient
Figure 2-39: Material applied to a view
Figure 2-40: Material applied to the text
Figure 2-41: New set of images
Figure 2-42: The husky set is ready
Figure 2-43: Images for iPhones
Figure 2-44: Image view
Figure 2-45: Image clipped
Figure 2-46: Image resized
Figure 2-47: Aspect fit (left) and aspect fill (right)
Figure 2-48: Clipping resized image
Figure 2-49: Flexible Image view
Figure 2-50: Image view with common modifiers
Figure 2-51: Visual effects applied to an image
Figure 2-52: SF Symbols app
Figure 2-53: SF Symbol
Figure 2-54: SF Symbol
Figure 2-55: A variant of an SF Symbol
Figure 2-56: Multicolor symbol
Figure 2-57: Multicolor symbol with custom colors
Figure 2-58: Variable SF Symbol
Figure 2-59: Variable multicolor SF Symbol
Figure 2-60: Label with an SF Symbol
Figure 2-61: Custom modifiers applied to a view
Figure 2-62: Vertical stack
Figure 2-63: Vertical stack aligned to the left with a space of 20 points in between
Figure 2-64: Horizontal stack
Figure 2-65: Horizontal stack aligned to the top
Figure 2-66: Nested stacks
Figure 2-67: Flexible space between views
Figure 2-68: Views at the top of the screen
Figure 2-69: Views aligned to the left
Figure 2-70: Views in a ZStack
Figure 2-71: Custom Z index
Figure 2-72: Modifier applied to the container and its content
Figure 2-73: Safe areas
Figure 2-74: Views ignoring the safe area
Figure 2-75: Views expanding the safe area
Figure 2-76: Priorities by default
Figure 2-77: Custom priorities
Figure 2-78: View with a fixed size
Figure 2-79: Modifiers applied to groups of views
Figure 2-80: Grid
Figure 2-81: Multicolumn cell
Figure 2-82: Nested grids Generic Views
Figure 2-83: Custom view
Figure 2-84: Swift files
Figure 2-85: States in light and dark appearances
Chapter 3 - Declarative User Interface
Figure 3-1: User Interface at different states
Figure 3-2: Initial state (left) and state after the button is pressed (right)
Figure 3-3: Button view
Figure 3-4: Dynamic interface
Figure 3-5: Button disabled
Figure 3-6: Button styles
Figure 3-7: Different styles depending on the action
Figure 3-8: Destructive button
Figure 3-9: Liquid glass buttons
Figure 3-10: Button sizes in macOS
Figure 3-11: Button sizes in iOS
Figure 3-12: Large button in iOS
Figure 3-13: Rectangular buttons in iOS
Figure 3-14: Custom button with an SF Symbol
Figure 3-15: Button with custom styles
Figure 3-16: Text field with a rounded border
Figure 3-17: Customized text field
Figure 3-18: Focus
Figure 3-19: Multiline text field
Figure 3-20: Text selected by the user
Figure 3-21: Secure text field
Figure 3-22: Text editor
Figure 3-23: Custom text editor
Figure 3-24: Text selection
Figure 3-25: Attributed text
Figure 3-26: Assigning attributes with system tools
Figure 3-27: Assigning attributes to selection
Figure 3-28: Applying styles according to the current state
Figure 3-29: Applying attributes to ranges of characters
Figure 3-30: Working with characters
Figure 3-31: Attribute runs
Figure 3-32: Switch on and off
Figure 3-33: Switch with a title and subtitle
Figure 3-34: Custom label for the switch
Figure 3-35: Toggle button in the on and off state
Figure 3-36: Slider for integer values
Figure 3-37: Slider with custom design
Figure 3-38: Custom ticks
Figure 3-39: Progress bar
Figure 3-40: Activity indicator
Figure 3-41: Stepper
Figure 3-42: Custom stepper
Figure 3-43: Group box
Figure 3-44: Data model
Figure 3-45: Text field initialized with the value in the model
Figure 3-46: Accessing the model through the environment
Chapter 4 - Lists
Figure 4-1: List of views generated by a ForEach loop
Figure 4-2: List of views with a standard design
Figure 4-3: List of views created from the data in the model
Figure 4-4: Scroll view
Figure 4-5: Horizontal scroll view
Figure 4-6: The views fit the available space
Figure 4-7: Two views per page
Figure 4-8: Scrolling one view at a time
Figure 4-9: Button to scroll the list to the beginning
Figure 4-10: Visual effect applied to the transition
Figure 4-11: Fixed grid
Figure 4-12: Flexible grid
Figure 4-13: Adaptive grid
Figure 4-14: List of rows created by a List view
Figure 4-15: Plain list
Figure 4-16: Custom list
Figure 4-17: Static and dynamic content
Figure 4-18: Sections with headers
Figure 4-19: Section separators
Figure 4-20: Same height for all the rows
Figure 4-21: Alphabetical sections
Figure 4-22: Section index
Figure 4-23: Delete feature
Figure 4-24: Edit button
Figure 4-25: Move buttons
Figure 4-26: Single selection
Figure 4-27: Selected rows
Figure 4-28: Custom selection
Figure 4-29: Custom swipe action
Figure 4-30: Custom button to remove a row
Figure 4-31: Refresh control
Figure 4-32: Hierarchical list
Figure 4-33: Custom hierarchy
Figure 4-34: Table in iPads and iPhones
Figure 4-35: Static rows
Figure 4-36: Contextual menu
Figure 4-37: Column of Toggle views
Figure 4-38: Hierarchical data on a table
Figure 4-39: Menu picker
Figure 4-40: Wheel and segmented pickers
Figure 4-41: Picker for dates
Figure 4-42: Wheel picker
Figure 4-43: Multiple date picker
Figure 4-44: Simple form
Figure 4-45: Form with a standard design
Figure 4-46: Disclosure groups
Figure 4-47: Custom container
Figure 4-48: Container values
Chapter 5 - Navigation
Figure 5-1: Multiple views to expand the interface Navigation Stack
Figure 5-2: Navigation stack
Figure 5-3: Inline large mode
Figure 5-4: Navigation bar button
Figure 5-6: Bottom toolbar
Figure 5-7: Primary and secondary buttons
Figure 5-8: Secondary buttons on a Mac
Figure 5-9: Custom popup menu
Figure 5-10: Submenu
Figure 5-11: Custom navigation bar
Figure 5-12: Custom toolbar items
Figure 5-13: Custom navigation bar Search
Figure 5-14: Search bar
Figure 5-15: Collapsed search bar
Figure 5-16: Focus on the search field
Figure 5-17: Suggestions
Figure 5-18: Search scopes
Figure 5-19: Using tokens Navigation Link
Figure 5-20: Interface with two views
Figure 5-21: Custom back button
Figure 5-22: Detail view
Figure 5-23: Custom navigation path
Figure 5-24: Sheet to insert new books
Figure 5-25: Sheet's custom height
Figure 5-26: Custom sheet on iPads
Figure 5-27: Sheet to edit values
Figure 5-28: Inspector on iPads and iPhones
Figure 5-29: Popover
Figure 5-30: Alert view
Figure 5-31: Alert view with multiple buttons
Figure 5-32: Confirmation dialog on iPhones Tip Views
Figure 5-33: Tip View
Figure 5-34: Tip action
Figure 5-35: Tab View with three views
Figure 5-36: Views in a TabView view
Figure 5-37: More tabs
Figure 5-38: Badge
Figure 5-39: Minimized tabs
Figure 5-40: Accessory view on iPhones Search
Figure 5-41: Search tab
Figure 5-42: Pages
Figure 5-43: Sidebar button
Figure 5-44: Sidebar
Figure 5-45: Sidebar header
Figure 5-46: Sidebar section
Figure 5-47: TabView application
Figure 5-48: iPad app configured with three columns
Figure 5-49: NavigationSplitView view on iPhones in portrait mode
Figure 5-50: Different design for iPhones and iPads
Figure 5-51: Link opens the view in the left column
Chapter 6 - Data Storage
Figure 6-1: Value stored in User Defaults
Figure 6-2: App settings
Figure 6-3: Model structure
Figure 6-4: Interface to save and list books stored in a database
Figure 6-5: Interface to add and select authors
Figure 6-6: Order of objects set by the user
Figure 6-7: User search
Figure 6-8: Custom container with pre-loaded data
Figure 6-9: Editing values
Figure 6-10: Sections by author
Figure 6-11: Alphabetical sections
Figure 6-12: Encoded data
Figure 6-13: Interface to create files
Figure 6-14: List of files
Figure 6-15: File content
Figure 6-16: File deleted
Figure 6-17: Interface to insert and store text
Figure 6-18: Content of a text file stored in the bundle
Figure 6-19: Document app
Figure 6-20: Custom Document app
Figure 6-21: Export a document
Figure 6-22: Interface to import a document
Chapter 7 - Multiplatform Applications
Figure 7-1: Supported platforms Resources
Figure 7-2: Mac images
Figure 7-3: Mac application
Figure 7-4: Assigning a file to a platform
Figure 7-5: Multiplatform interface
Figure 7-6: Standard menu
Figure 7-7: Custom menu
Figure 7-8: Custom option added to a standard menu on Macs
Figure 7-9: Standard option removed on Macs
Figure 7-10: Submenu
Figure 7-11: Submenu with selectable options
Figure 7-12: Option disabled
Figure 7-13: Option enabled when the text field is focused
Figure 7-14: Mac toolbar
Figure 7-15: Mac toolbar and title bar hidden
Figure 7-16: Mac toolbar hidden
Figure 7-17: Tooltip
Figure 7-18: Suggestions
Figure 7-19: Highlighted rows
Figure 7-20: Option to open an auxiliary window
Figure 7-21: Opening and closing windows
Figure 7-22: Custom window style
Figure 7-23: Settings scene
Figure 7-24: Control with a menu
Figure 7-25: Control with a view
Figure 7-26: Size classes assigned to iPhones
Figure 7-27: Different layouts for iPhones in portrait and landscape
Figure 7-28: Detecting orientations
Figure 7-29: Horizontal and vertical positions
Figure 7-30: View measured by a GeometryReader view
Figure 7-31: Interface updated using preferences
Figure 7-32: Images aligned at the center
Figure 7-33: Alignment guides for the bus
Figure 7-34: Bus aligned with custom values
Figure 7-35: Images aligned by the baselines
Figure 7-36: Views aligned with custom alignment guides
Figure 7-37: Alignments required for the views
Figure 7-38: Views from different containers aligned with custom alignment
Figure 7-39: Custom layout
Figure 7-40: Custom and Standard layouts
Chapter 8 - Graphics & Animations
Figure 8-1: Standard shapes
Figure 8-2: Red rectangle
Figure 8-3: Rectangles with different strokes
Figure 8-4: Rectangle with a custom stroke
Figure 8-5: Graphic button
Figure 8-6: Linear gradient
Figure 8-7: Linear gradient with custom stops
Figure 8-8: Circular gradient
Figure 8-9: Mesh gradient
Figure 8-10: Shadow
Figure 8-11: Pattern
Figure 8-12: Custom path
Figure 8-13: Lines and arcs
Figure 8-14: Lines and ellipses
Figure 8-15: Complex curves
Figure 8-16: Custom shape views
Figure 8-17: Image displaced to the right
Figure 8-18: Image rotated in the y axis
Figure 8-19: Image clipped with a Circle shape
Figure 8-20: Irregular view with a border
Figure 8-21: Shape rotation
Figure 8-22: Mirror shapes
Figure 8-23: Incomplete shape
Figure 8-24: Concentric shapes
Figure 8-25: Concentric views
Figure 8-26: Different concentric corners
Figure 8-27: Uniform corners
Figure 8-28: Processing a view as an image
Figure 8-29: Image of a custom size
Figure 8-30: Shapes and text on the canvas
Figure 8-31: Canvas rotation
Figure 8-32: Custom rotation
Figure 8-33: Multiple rotations
Figure 8-34: Clipping mask
Figure 8-35: Graphic filters
Figure 8-36: Bar Charts
Figure 8-37: Line, Point, Rectangle, and Area charts
Figure 8-38: Custom scale
Figure 8-39: Different styles per value
Figure 8-40: Multiple mark styles
Figure 8-41: Horizontal line Selection
Figure 8-42: Selection
Figure 8-43: Chart representing a mathematical function Multiple Marks
Figure 8-44: Multiple series of values
Figure 8-45: Bar chart with two series of values
Figure 8-46: Independent bars with custom positions Scrolling
Figure 8-47: Scrollable chart
Figure 8-48: 3D Chart
Figure 8-49: 3D Chart with custom orientation
Figure 8-50: 3D representation of a mathematical function
Figure 8-51: Animation by default
Figure 8-52: Animated path
Figure 8-53: Regular Liquid Glass effect
Figure 8-54: Clear Liquid Glass effect
Figure 8-55: Rectangular Liquid Glass effect
Figure 8-56: Extending the Liquid Glass effect
Figure 8-57: Joining views
Figure 8-58: Animating the Liquid Glass effect
Chapter 9 - Gestures
Figure 9-1: Image responds to the tap gesture
Figure 9-2: Responding to hits
Figure 9-3: Image rotated by the user
Figure 9-4: Drag and drop operation between apps
Figure 9-5: Custom preview
Figure 9-6: Dropping an image into our app
Figure 9-7: Feedback for the drag and drop operation
Figure 9-8: Custom content type
Figure 9-9: Drag and drop custom data
Figure 9-10: Paste button
Figure 9-11: Copy and paste buttons
Chapter 10 - MapKit
Figure 10-1: Standard map
Figure 10-2: Hybrid map
Figure 10-3: Points of interest
Figure 10-4: Map showing a specific region of New York City
Figure 10-5: Current latitude and longitude
Figure 10-6: Marker
Figure 10-7: Annotation
Figure 10-8: Graphics over or under the labels
Figure 10-9: Straight lines between locations
Figure 10-10: Places found by the Local Search system
Figure 10-11: Map callouts
Figure 10-12: Map sheets
Figure 10-13: Map controls
Figure 10-14: Custom control
Figure 10-15: Look Around preview
Figure 10-16: Route
Figure 10-17: Coordinates selected by the user Geocoding
Figure 10-18: Street address of a location selected by the user
Figure 10-19: Displaying the area of the address inserted by the user User Location
Figure 10-20: User's location on the map
Figure 10-21: User location button
Chapter 11 - Web
Figure 11-1: Link
Figure 11-2: Opening user URL WebKit Framework
Figure 11-3: Web view
Figure 11-4: Loading pages inserted by the user
Figure 11-5: Navigation buttons
Figure 11-6: JSON document
Chapter 12 - Notifications
Figure 12-1: Interface to test notifications
Figure 12-2: Interface adapting to the keyboard
Figure 12-3: The interface scrolls to adapt to the keyboard
Figure 12-4: User notification
Figure 12-5: Media Attachment
Figure 12-6: Notifications in an active application
Chapter 13 - Framework Integration
Figure 13-1: UIKit view in a SwiftUI interface
Figure 13-2: UITextView view in a SwiftUI interface
Figure 13-3: UIKit view controller in a SwiftUI interface
Chapter 14 - Media
Figure 14-1: Photo Library’s interface (center)
Figure 14-2: Inline Photos Picker
Figure 14-3: Photos Picker with custom controls
Figure 14-4: Multiple selection
Figure 14-5: Interface to work with the camera
Figure 14-6: Share sheet
Figure 14-7: System to capture media
Figure 14-8: Interface for a custom camera
Figure 14-9: Standard video player
Figure 14-10: Overlay views
Figure 14-11: System to play media
Figure 14-12: Video player with custom controls
Figure 14-13: Color picker
Chapter 15 - iCloud
Figure 15-1: Enabling iCloud for our app
Figure 15-2: Enabling iCloud services
Figure 15-3: Enabling Key-value storage
Figure 15-4: Multiple values stored in the Key/Value storage
Figure 15-5: Enabling iCloud Documents service
Figure 15-6: Interface to edit a document
Figure 15-7: Interface to read and save multiple documents
Figure 15-8: Enabling CloudKit service
Figure 15-9: Background Mode
Figure 15-10: Books stored in CloudKit
Figure 15-11: Dashboard's home page
Figure 15-12: CloudKit Database
Figure 15-13: Database schema
Figure 15-14: Listing records
Figure 15-15: Indexes
Figure 15-16: Add Index
Figure 15-17: Queryable index for the recordName field
Figure 15-18: List of CD_Book records
Chapter 16 - Internationalization
Figure 16-1: String Catalog file
Figure 16-2: String Catalog file added to the project
Figure 16-3: String Catalog file updated
Figure 16-4: Languages
Figure 16-5: Translation to Spanish
Figure 16-6: Scheme menu
Figure 16-7: App Language option
Figure 16-8: Previews in multiple languages
Figure 16-9: Export/Import options
Figure 16-10: Localizable texts to be translated
Figure 16-11: Version menu
Figure 16-12: Singular and plural versions
Figure 16-13: The text depends on the value of the property
Figure 16-14: Comment generator for String Catalogs
Figure 16-15: Comment generated by Xcode
Chapter 17 - App Store
Figure 17-1: Managing certificates, provisioning profiles, and identifiers
Figure 17-2: App Icons
Figure 17-3: Size options
Figure 17-4: Opening Icon Composer
Figure 17-5: Template
Figure 17-6: Icon with layers
Figure 17-7: Assigning our icon to the app
Figure 17-8: Launch Screen options
Figure 17-9: Launch Screen configuration
Figure 17-10: Launch screen App Store Connect
Figure 17-11: App Store Connect menu
Figure 17-12: Menu to add apps to our account
Figure 17-13: New app
Figure 17-14: Selecting a platform
Figure 17-15: Archive option
Figure 17-16: List of archives created for our app
Figure 17-17: Options for validation
Figure 17-18: Options for distribution
Figure 17-19: Selecting the build to send to the App Store
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Information
6th Edition
February 2026
ISBN: 978-1-0699942-0-2