Kotlin Multiplatform by Tutorials: Build Native Apps Faster by Sharing Code Across Platforms. 2 Ed

Book License....11 What You Need....13 Book Source Code & Forums....14 About the Authors....16 About the Editors....17 Introduction....18 How to Read This Book....19 Chapter 1: Introduction....22 What Is Kotlin Multiplatform?....23 Setting Up Your Environment....30 Creating Your First Project....34 Key Points....43 Where to Go From Here?....43 Chapter 2: Getting Started....44 Getting to Know Gradle....45 Version Catalog....45 Build Files....50 Find Time....56 Business Logic....57 Challenge....69 Key Points....70 Where to Go From Here?....70 Chapter 3: Developing UI: Android Jetpack Compose....71 UI Frameworks....72 Jetpack Compose....72 Time Finder....75 Time Zone Screen....92 Find Meeting Time Screen....102 Key Points....111 Where to Go From Here?....111 Chapter 4: Developing UI: iOS SwiftUI....112 Getting to Know SwiftUI....115 Key Points....135 Where to Go From Here?....135 Chapter 5: Developing UI: Compose Multiplatform....136 Getting to Know Compose Multiplatform....137 Creating a Desktop App....137 Shared UI....142 Key Points....163 Where to Go From Here?....163 Chapter 6: Connecting to Platform-Specific API....165 Reusing Code Between Platforms....166 Say Hello to Organize....166 Updating the Platform Class....168 Updating the UI....179 Challenge....191 Key Points....191 Where to Go From Here?....191 Chapter 7: App Architecture....192 Design Patterns....193 Sharing Business Logic....197 Creating Reminders Section....204 Sharing Tests and UI....215 Challenge....216 Key Points....217 Chapter 8: Testing....218 Setting Up the Dependencies....219 Writing Tests for RemindersViewModel....221 Writing Tests for Platform....224 UI Tests....227 Challenge....238 Key Points....238 Where to Go From Here?....239 Chapter 9: Dependency Injection....240 Advantages of Dependency Injection....241 Automated DI vs. Manual DI....241 Setting Up Koin....243 Using Koin on Each Platform....246 Updating AboutViewModel....252 Testing....254 Key Points....257 Where to Go From Here?....258 Chapter 10: Data Persistence....259 Key-Value Storage....260 Database....270 Challenge....283 Key Points....284 Where to Go From Here?....284 Chapter 11: Serialization....286 The Need for Serialization....287 Project Overview....287 Application Features....291 Adding Serialization to Your Gradle Configuration....292 Different Serialization Formats....294 Creating a Custom Serializer....295 Serializing/Deserializing New Data....297 Serializable vs. Parcelable....300 Implementing Parcelize in KMP....300 Sharing Your Data Classes With the Server....304 Testing....307 Challenges....310 Key Points....311 Where to Go From Here?....311 Chapter 12: Networking....312 The Need for a Common Networking Library....313 Adding Ktor....313 Connecting to the API With Ktor....314 Plugins....317 Retrieving Content....322 Adding Headers to Your Request....333 Uploading Files....337 Testing....340 Challenge....343 Challenge: Send Your Package Name in a Request Header....343 Key Points....344 Where to Go From Here?....344 Chapter 13: Concurrency....345 Concurrency and the Need for Structured Concurrency....346 Understanding kotlinx.coroutines....347 Structured Concurrency in iOS....354 Using kotlinx.coroutines....355 Working With kotlinx.coroutines....356 Improving Coroutines Usage for Native Targets....368 Challenge....379 Key Points....380 Where to Go From Here?....380 Chapter 14: Creating Your KMP Library....381 Migrating an Existing Feature to Multiplatform....382 Publishing Your KMP Library....400 Handling Multiple Frameworks....412 Challenges....413 Key Points....414 Where to Go From Here?....415 Conclusion....416 Appendix A: Kotlin: A Primer for Swift Developers....418 Kotlin and Swift: Comparing Both Languages....418 Kotlin and Swift Syntax Table....439 Where to Go From Here?....439 Appendix B: Debugging Your Shared Code From Xcode....440 Debugging the Shared Module....441 Where to Go From Here?....448 Appendix C: Sharing Your Compose UI Across Multiple Platforms....449 Setting Up an iOS App to Use Compose Multiplatform....449 Updating Your Project Structure....453 Sharing Your UI Code....456 Migrating Your Android UI Code to Multiplatform....456 Compose Multiplatform....460 Using Third-Party Libraries....463 Handling Resources....468 What’s Missing?....481 Where to Go From Here?....488