SwiftUI Apprentice: Beginning iOS Programming With SwiftUI. 2 Ed

Book License....14 What You Need....16 Book Source Code & Forums....17 About the Authors....19 About the Editors....19 How to Read This Book....20 Chapter 1: Checking Your Tools....22 Getting Started....23 Creating a New Xcode Project....25 A Quick Tour of Xcode....29 ContentView.swift....33 Creating a New SwiftUI View File....40 What Else is in Your Project?....44 Xcode Settings....45 Running Your Project....53 Key Points....61 Chapter 2: Planning a Paged App....62 Making Lists: Views & Actions....63 Creating Pages....65 Grouping Files....72 Passing Parameters....74 Looping....77 Key Points....87 Where to Go From Here?....87 Chapter 3: Prototyping the Main View....88 Creating the Exercise View....89 Creating the Header View....91 Creating the Exercise Structure....104 Playing a Video....108 Creating Timer, Buttons & Rating....112 Challenges....119 Key Points....120 Where to Go From Here?....120 Chapter 4: Prototyping Supplementary Views....121 Laying Out the History View....122 Structuring HistoryView Data....127 Dismissing HistoryView....131 Laying Out the Welcome View....134 Challenge....147 Key Points....149 Where to Go From Here?....149 Chapter 5: Moving Data Between Views....150 Managing Your App’s Data....151 Using State & Binding Properties....152 Setting & Tapping Images....159 Showing & Hiding Modal Sheets....164 One More Thing....170 Key Points....172 Chapter 6: Observing Objects....173 Showing/Hiding the Timer....174 Using an EnvironmentObject....182 Challenge....188 Key Points....188 Chapter 7: Saving Settings....189 Data Persistence....190 Saving Ratings to UserDefaults....190 Data Directories....192 Swift Dive: Strings....200 Thinking of Possible Errors....205 Multiple Scenes....207 Apps, Scenes and Views....210 Restoring Scene State With SceneStorage....211 Key Points....214 Chapter 8: Saving History Data....215 Using Optionals....216 Debugging HistoryStore....219 Swift Error Checking....225 Alerts....226 Saving History....229 Property List Serialization....234 Ignoring the Loading Error....238 Key Points....240 Chapter 9: Refining Your App....241 Neumorphism....242 Creating a Neumorphic Button....243 Styles....244 Abstracting Your Button....248 The Embossed Button....251 @ViewBuilder....254 ViewBuilder Container View....259 Designing WelcomeView....262 Gradients....265 Challenge....271 Key Points....272 Chapter 10: Working With Datasets....273 Accumulating Data....276 Lists....279 Adding Data to the List....285 Charts....294 Privacy....306 Challenge....307 Key Points....308 Where to Go From Here?....308 Chapter 11: Managing Data With Property Wrappers....309 Getting Started....310 Tools for Managing Data....311 Managing UI State Values....313 Accessing Environment Values....320 Managing Model Data Objects....322 Wrapping Up Property Wrappers....328 Key Points....331 Chapter 12: Apple App Development Ecosystem....332 A Brief History of SwiftUI....333 SwiftUI vs. UIKit....334 Apple Developer....337 Housekeeping & Trouble-Shooting....347 Key Points....354 Chapter 13: Outlining a Photo Collage App....356 Initial App Idea....357 Creating the Project....358 Creating the First View for Your Project....359 Refactoring the View....360 Transitioning From List to Card....363 The Navigation Toolbar....365 The Bottom Toolbar....367 Adding Modal Views....373 Challenge....377 Key Points....378 Chapter 14: Gestures....379 Creating the Resizable View....380 Creating Transforms....381 Creating a Drag Gesture....383 Creating a Rotation Gesture....387 Creating a Scale Gesture....391 Creating Custom View Modifiers....392 Other Gestures....398 Type Properties....399 Challenge....404 Key Points....405 Where to Go From Here?....405 Chapter 15: Structures, Classes & Protocols....406 Data Structure....407 Value and Reference Types....408 Swift Dive: Structure vs Class....409 Creating the Card Store....410 Class Inheritance....412 Protocols....413 The Preview Data....416 Listing the Cards....417 Mutability....420 Understanding @State and @Binding Property Wrappers....426 Key Points....432 Where to Go From Here?....432 Chapter 16: Adding Assets to Your App....433 The Asset Catalog....434 Launch Screen....440 Adding Sticker Images to Your App....445 Using Lazy Grid Views....456 Challenges....462 Key Points....463 Where to Go From Here?....463 Chapter 17: Adding Photos to Your App....464 The PhotosUI Framework....465 The PhotosPicker View....465 The Transferable Protocol....470 Drag and Drop From Other Apps....475 Pasting From Another App....482 Adding a Pop-up Menu....484 Challenge....491 Key Points....492 Chapter 18: Paths & Custom Shapes....493 The Starter Project....494 Shapes....494 Paths....496 Strokes and Fills....504 Selecting an Element....506 Associated Types....509 Adding the Frame Picker Modal to the Card....514 Challenges....521 Key Points....523 Chapter 19: Saving Files....524 The Starter Project....525 The Saved Data Format....525 When to Save the Data....526 JSON Files....529 Codable....529 Encoding and Decoding Custom Types....533 Loading Cards....542 Creating new Cards....544 Challenges....547 Key Points....550 Chapter 20: Delightful UX — Layout....551 The Starter app....552 Designing the Cards List....553 Layout....555 Adding a Lazy Grid View....559 Scaling the Card to fit the Device....569 Alignment....576 Challenges....579 Key Points....581 Chapter 21: Delightful UX — Final Touches....582 The Starter Project....583 Animated Splash Screen....583 SwiftUI Animation....588 Animated Transitions....594 Supporting Multiple View Types....597 Sharing the Card....600 Challenges....607 Key Points....610 Where to Go From Here?....610 Chapter 22: Lists & Navigation....612 Getting Started....613 List....613 NavigationStack....614 Using the Internet....617 navigationDestination....622 Using Custom Colors....630 One Last Thing....633 Key Points....637 Chapter 23: Just Enough Web Stuff....638 Servers & Resources....639 REST API....641 Sending & Receiving HTTP Messages....642 Exploring metmuseum.org....646 POST Request & Authentication....652 Key Points....656 Chapter 24: Downloading Data....657 Getting Started....658 URLSession....658 Creating a REST Request URL....660 Sending the Request With URLSession....665 Decoding JSON....666 Downloading Objects....670 Downloading Data in Your App....671 Showing a Progress View....683 Key Points....684 Chapter 25: Widgets....685 Getting Started....686 WidgetKit....686 Adding a Widget Extension....687 Creating Entries From Your App’s Data....694 Creating Widget Views....697 Providing a Timeline Of Entries....706 Deep-Linking Into Your App....715 A Few Last Things....719 Key Points....721 Conclusion....722