Get to grips with asynchronous programming in Android using simple, modern, and testable code through Kotlin coroutines and flow Key Features • Find out how to improve app performance with Kotlin coroutines • Discover the new recommended ways to use Kotlin coroutines and flows • Learn the basics of asynchronous programming, along with an overview of coroutines and flow Book Description Coroutines and flows are the new recommended way for developers to carry out asynchronous programming in Android using simple, modern, and testable code. This book will teach you how coroutines and flows work and how to use them in building Android applications, along with helping you to develop modern Android applications with asynchronous programming using real data. The book begins by showing you how to create and handle Kotlin coroutines on Android. You'll explore asynchronous programming in Kotlin, and understand how to test Kotlin coroutines. Next, you'll learn about Kotlin flows on Android, and have a closer look at using Kotlin flows by getting to grips with handling flow cancellations and exceptions and testing the flows. By the end of this book, you'll have the skills you need to build high-quality and maintainable Android applications using coroutines and flows. What you will learn • Understand how coroutines and flows differ from existing ways • Apply asynchronous programming in Android with coroutines and flows • Find out how to build your own coroutines and flows in Android • Handle, manipulate, and combine data in coroutines and flows • Handle cancellations and exceptions from coroutines and flows • Discover how to add tests for your coroutines and flows • Integrate coroutines and flows into your Android projects Who this book is for This book is for intermediate-level Android developers who want to level up their Android app-building skills. Familiarity with Android development and basic knowledge of Kotlin are needed to make the most of this book.

Unleash the power of Android programming to build scalable and reliable apps using industry best practices Purchase of the print or Kindle book includes a free PDF eBook Key Features Build apps with Kotlin, Google’s preferred programming language for Android development Unlock solutions to development challenges with guidance from experienced Android professionals Improve your apps by adding valuable features that make use of advanced functionality Book DescriptionLooking to kick-start your app development journey with Android 13, but don’t know where to start? How to Build Android Apps with Kotlin is a comprehensive guide that will help jump-start your Android development practice. This book starts with the fundamentals of app development, enabling you to utilize Android Studio and Kotlin to get started with building Android projects. You'll learn how to create apps and run them on virtual devices through guided exercises. Progressing through the chapters, you'll delve into Android's RecyclerView to make the most of lists, images, and maps, and see how to fetch data from a web service. You'll also get to grips with testing, learning how to keep your architecture clean, understanding how to persist data, and gaining basic knowledge of the dependency injection pattern. Finally, you'll see how to publish your apps on the Google Play store. You'll work on realistic projects that are split up into bitesize exercises and activities, allowing you to challenge yourself in an enjoyable and attainable way. You'll build apps to create quizzes, read news articles, check weather reports, store recipes, retrieve movie information, and remind you where you parked your car. By the end of this book, you'll have the skills and confidence to build your own creative Android applications using Kotlin.What you will learn Create maintainable and scalable apps using Kotlin Understand the Android app development lifecycle Simplify app development with Google architecture components Use standard libraries for dependency injection and data parsing Apply the repository pattern to retrieve data from outside sources Build user interfaces using Jetpack Compose Explore Android asynchronous programming with Coroutines and the Flow API Publish your app on the Google Play store Who this book is for If you want to build Android applications using Kotlin but are unsure of how and where to begin, then this book is for you. To easily grasp the concepts in this book, a basic understanding of Kotlin, or experience in a similar programming language is a must.

Get started with creating intuitive native user interfaces on Android platforms using Kotlin and Jetpack Compose with the help of this illustrated guide Key Features Distinguish between the imperative (Android View) and declarative (Jetpack Compose) approach Explore the Compose app structure, UI elements, and core concepts like state and composition over inheritance Enhance apps with animations, transitions and build for smartphones, tablets, and foldable devices Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionCompose has caused a paradigm shift in Android development, introducing a variety of new concepts that are essential to an Android developer’s learning journey. It solves a lot of pain points associated with Android development and is touted to become the default way to building Android apps over the next few years. This second edition has been thoroughly updated to reflect all changes and additions that were made by Google since the initial stable release, and all examples are based on Material 3 (also called Material You). This book uses practical examples to help you understand the fundamental concepts of Jetpack Compose and how to use them when you are building your own Android applications. You’ll begin by getting an in-depth explanation of the declarative approach, along with its differences from and advantages over traditional user interface (UI) frameworks. Having laid this foundation, the next set of chapters take a practical approach to show you how to write your first composable function. The chapters will also help you master layouts, an important core component of every UI framework, and then move to more advanced topics such as animation, testing, and architectural best practices. By the end of this book, you’ll be able to write your own Android apps using Jetpack Compose and Material Design.What you will learn Recognize the motivation behind Jetpack Compose Gain an understanding of the core concepts of Jetpack Compose Build a complete app using Jetpack Compose Utilize Jetpack Compose inside existing Android applications Test and debug apps that use Jetpack Compose Understand Material Design and how it is implemented using Jetpack Compose Write apps for different form factors Bring your Compose UI to other platforms Who this book is for If you’re an Android developer with existing knowledge of the Kotlin programming language looking to learn how to build modern Android user interfaces using Jetpack Compose, then this book is for you. This book is not an introduction to Android development. You must have a basic understanding of how Android apps are developed using Android Studio.

Explore the new Kotlin Multiplatform to build native apps for Android and iOS while sharing business logic between apps Key FeaturesImprove app development speed dramatically by writing the business logic in KotlinImplement a native user interface and work with platform-specific APIsLeverage Kotlin Multiplatform Mobile's code-sharing capabilities for your projectsBook Description Sharing code between platforms can help developers gain a competitive edge, and Kotlin Multiplatform Mobile (KMM) offers a sensible way to do it. KMM helps mobile teams share code between Android and iOS in a flexible way, leaving room for native development. The book begins by helping you to gain a clear understanding of the Kotlin Multiplatform approach, how it works, and how it is different from cross-platform technologies, such as React Native and Flutter, and code sharing options, such as C++. You'll then see how your team can use this software development kit (SDK) to build native applications more effectively by learning timeless concepts and working through practical examples. As you advance, you'll get to grips with the core concepts, understand why UI sharing fails, and get hands-on with developing a small KMM application. Finally, you'll discover expert tips and best practices, along with production- and adoption-related questions, that will help you take the next step in your project and career. By the end of this Kotlin book, you'll have gained a solid understanding of the capabilities of KMM and be able to share code between Android and iOS flexibly. What you will learnGet acquainted with the multiplatform approach and KMM's competitive edgeUnderstand how Kotlin Multiplatform works under the hoodGet up and running with the Kotlin language quickly in the context of SwiftFind out how to share code between Android and iOSExplore tips and best practices in KMM to increase app development efficiencyDiscover adoption tips to integrate KMM into existing or new production appsWho this book is for This book is for native Android and iOS developers who want to build high-quality apps using an efficient development process. Knowledge of the framework and the languages used is necessary, that is, Android with Java or Kotlin and iOS with Objective-C or Swift. For Swift developers, the book assumes no knowledge of Kotlin as this will be covered in the context of Swift.

Crafting the Future of Android and Beyond Embark on an enlightening exploration of Kotlin—the modern, concise, and expressive language that's redefining Android development and expanding its influence across various platforms. Whether you're just beginning your programming saga or are a veteran developer looking to update your toolkit, "Mastering Kotlin" offers the guidance and insights you need. Dive in and uncover: · Kotlin Foundations: Traverse the essentials of Kotlin, from its basic syntax to its functional and object-oriented programming paradigms. · Elevated Code: Grasp the nuances of idiomatic Kotlin, ensuring your code is both powerful and elegant. · Expert Techniques: Delve into advanced topics like coroutines, DSL creation, and multiplatform development, empowering you to harness Kotlin's full potential. · Practical Endeavors: Engage with hands-on projects that provide real-world context, ensuring your skills are battle-tested and industry-ready. · Interoperability Insights: Seamlessly integrate Kotlin with existing Java codebases and understand the harmony between these two juggernauts of the JVM. "Mastering Kotlin" is more than a guide—it's a compass, guiding you through the ever-evolving landscape of modern development with clarity and precision. Step into the future of development with Kotlin at your fingertips.

Unlock your programming potential with Kotlin - Start building today KEY FEATURES ● Understand Kotlin fundamentals, such as syntax, type system, basic concepts, and reactive programming principles. ● Learn to use Kotlin's advanced features, such as coroutines, extension functions, and generics, to write efficient, maintainable, and reusable code. ● Explore applying reactive programming techniques to solve common challenges, such as handling concurrency, managing data streams, and building responsive user interfaces. ● Seek guidance on how to build robust and scalable applications using Kotlin and reactive programming patterns, such as Spring Boot. DESCRIPTION Kotlin is a modern, expressive, and concise programming language popular among developers for its many benefits. These include its interoperability with Java, ability to build native mobile and web applications, and support for functional programming. This book provides a comprehensive introduction to Kotlin, covering everything you need to know to start building Kotlin applications, regardless of your prior programming experience. You'll start by learning the basics of Kotlin, including its variables, types, functions, and control flow statements. Then, you'll explore more advanced topics such as object-oriented programming, generics, coroutines, RxKotlin, and multiplatform development. Once you have a solid foundation in Kotlin, you'll learn how to use it to build real-world applications. You'll start with a simple Android application and then move on to more complex projects, such as a web application and a desktop application. By the end of this book, you will have a deep understanding of Kotlin and be confident in your ability to use it to build robust, maintainable, and scalable applications. WHAT YOU WILL LEARN ● Learn Kotlin syntax, type system, and basic concepts to write idiomatic, expressive, and safe code. ● Build robust and scalable applications using Kotlin, including web, mobile, and desktop applications. Use reactive patterns and frameworks such as Spring Boot to design highly scalable and resilient applications. ● Apply best practices and design patterns to write maintainable and reusable code. ● Write code that is reliable and easy to maintain. ● Become a more productive and efficient programmer. WHO THIS BOOK IS FOR Building Kotlin Applications is for anyone who wants to learn how to build modern and scalable applications with Kotlin. Whether you are a software engineer, mobile developer, web developer, or student, this book will teach you everything you need to know to get started with Kotlin. TABLE OF CONTENTS 1. Java and Kotlin 2. Kotlin Basics 3. OOP with Kotlin 4. Generics 5. Annotations and Reflection 6. Functional Programming with Kotlin and RxKotlin 7. Observables, Observers, and Subjects 8. Flowables and Backpressure 9. Data Transformers and Async Operators 10. Concurrency and Parallel Processing 11. Testing Reactive Applications 12. Spring Reactive for Kotlin 13. Asynchronous Programming and Coroutines 14. Suspending Functions and Async/Await 15. Contexts and Dispatchers 16. Coroutines Channels 17. Coroutine Flows 18. Multiplatform and Kotlin