Scalable Android Applications in Kotlin


Book Description

DESCRIPTION Kotlin, a modern and expressive language, has revolutionized Android app development. As the app complexity grows, building scalable and maintainable Android apps becomes crucial. This book is a complete guide to modern Android app development using Kotlin. It covers key concepts like clean architecture and dependency injection for building strong, maintainable apps. This book will also help you learn how to use Kotlin DSL for build configuration and Jetpack Compose for creating user interfaces. It also covers testing, debugging, networking, and API integration. With best practices and real-world examples, this book will help developers create high-quality Android apps using Kotlin. By the end of this book, you will be equipped with the knowledge and skills to architect, develop, and deploy scalable Android apps using Kotlin. You will confidently tackle complex app development challenges, write clean, efficient, and testable code, and become a proficient Android developer. KEY FEATURES ● Learn Kotlin and Jetpack Compose essentials. ● Understand how to apply feature-oriented separation of concerns. ● Use cross-platform technologies to achieve a clean code architecture. ● Perfect control of Jetpack Compose UI with unidirectional flow. ● Discover how to engineer an application from inception to release. WHAT YOU WILL LEARN ● Kotlin and Jetpack Compose fundamentals. ● Feature-oriented separation of concerns. ● Clean-code architecture in Android. ● Kotlin-specific test-driven development. ● Multi-module project organization. ● Tips and techniques for debugging. ● Continuous integration and releasing applications. WHO THIS BOOK IS FOR This book can be understood by novice developers but will also benefit intermediate/seasoned professionals in the Android space. This book is a must-have for Android developers, software engineers, and mobile app developers striving to create exceptional applications. TABLE OF CONTENTS 1. Introduction to Kotlin for Android 2. Breaking Down App Code with Separation of Concerns 3. Feature-Oriented Development in Android 4. Clean Code Architecture 5. Cross-Platform App Development 6. Dependency Injection 7. Introduction to Jetpack Compose 8. Presentation Layer Evolution in Compose 9. Test-Driven Development with Mocking Libraries for Android 10. Kotlin DSL and Multimodule Apps 11. Creating the Module Hierarchy 12. Networking and APIs in Kotlin 13. Creating UI with Jetpack Compose 14. Debugging in Kotlin 15. Test Automation 16. Building and Distributing Applications




CLOUD ARCHITECTURE FOR ENTERPRISE APPLICATIONS -DESIGNING SCALABLE AND SECURE CLOUD SOLUTIONS


Book Description

In the rapidly evolving landscape of technology, the design and implementation of cloud architectures have become crucial for organizations aiming to build scalable and secure enterprise applications. This book, Cloud Architecture for Enterprise Applications – Designing Scalable and Secure Cloud Solutions, is intended to bridge the gap between innovative cloud solutions and their practical applications in enterprise environments. Our goal is to provide readers with the knowledge and tools necessary to understand and design cloud architectures that meet modern business demands for scalability, security, and performance. This book offers a comprehensive exploration of the methodologies, architectural patterns, and strategies essential for developing cloud solutions, focusing on their integration into enterprise systems. From foundational cloud computing principles to advanced applications in cloud security, performance optimization, and multi-cloud strategies, we delve into the critical components that power successful enterprise applications. Complex technical concepts are presented in a clear and accessible way, making this book suitable for a wide audience, including cloud architects, IT professionals, developers, and business leaders. In crafting this work, we have drawn upon the latest research and industry best practices to ensure readers not only gain a solid theoretical grounding but also acquire practical skills that can be applied in real-world scenarios. Each chapter strikes a balance between depth and breadth, covering topics ranging from cloud migration strategies and serverless computing to data privacy, compliance, and disaster recovery in cloud environments. Moreover, we emphasize the importance of security in cloud architecture, dedicating sections to best practices for safeguarding sensitive enterprise data and ensuring compliance with industry regulations. The inspiration for this book comes from the growing need to equip organizations with the tools and knowledge to navigate the complexities of cloud computing. We are deeply grateful to Chancellor Shri Shiv Kumar Gupta of Maharaja Agrasen Himalayan Garhwal University for his unwavering support and vision. His commitment to promoting academic excellence and fostering technological innovation has been instrumental in the realization of this project. We hope this book will serve as a valuable resource and inspiration for those seeking to deepen their understanding of cloud architecture and its transformative impact on enterprise applications. We believe that the insights and knowledge presented within these pages will empower readers to lead the way in developing innovative cloud solutions that will shape the future of enterprise technology. Thank you for embarking on this journey with us. Authors




Android Development With Kotlin


Book Description

📱 ANDROID DEVELOPMENT WITH KOTLIN: NOVICE TO NINJA 🚀 Are you ready to level up your Android development skills? 🌟 Look no further! Introducing our comprehensive book bundle - "Android Development with Kotlin: Novice to Ninja." 📚 With four action-packed volumes, this bundle covers everything you need to know to become a Kotlin Android development expert: 📘 Book 1: Kotlin Essentials Kickstart your journey with the basics! 🚀 Learn the fundamental concepts of Kotlin programming language and its integration with Android development. Perfect for beginners! 📘 Book 2: Building Dynamic UIs Ready to take your skills to the next level? 💡 Discover intermediate Kotlin techniques for creating dynamic and engaging user interfaces in your Android apps. Say goodbye to boring UIs! 📘 Book 3: Advanced Android Architecture Become a master architect! 🏰 Dive deep into advanced Kotlin patterns and best practices for designing scalable, maintainable, and robust Android architectures. Elevate your app's architecture game! 📘 Book 4: Optimizing Performance Make your apps shine! ✨ Explore expert strategies for optimizing the performance of your Kotlin Android applications. From memory management to network optimization, become a performance guru! 🚀 Why Choose Our Book Bundle? · Comprehensive coverage of Kotlin essentials, UI design, architecture, and performance optimization. · Perfect for beginners and experienced developers alike. · Practical, hands-on tutorials and real-world examples. · Written by industry experts with years of experience in Android development. · Packed with actionable tips and best practices to help you build high-quality Kotlin Android apps. 📈 Don't miss out on this opportunity to become an Android ninja! 💪 Whether you're just starting or looking to sharpen your skills, this book bundle has something for everyone. 🌟 Grab your copy now and embark on the journey to Android mastery! 🚀




Building Android Projects with Kotlin


Book Description

Start your journey in this exciting Android app development world KEY FEATURES ● Start your Kotlin adventure from the very fundamentals to sophisticated Android programming. ● Experience live coding of a video application, game design, and chat application. ● Explore the Android framework, app creation, testing, and publication to the Google Play store. DESCRIPTION As an ambitious Kotlin programmer or Android developer, are you frequently baffled by the options available to do a specific task? Or why a single solution is superior to the others for doing this Android task? And most importantly, how can you do Kotlin programming employing this superior alternative? The book ‘Building Android Projects with Kotlin’ teaches you all you need to know to create an incredible Android application. It describes the fundamentals of Android, its components, and their purposes. This book also emphasizes the significance of clean code, modular code writing, and architectural patterns. It teaches the reader how to analyze the performance of a layout, how to select the best picture format and the fundamentals of multiscreen application development. This book discusses the creation of chat applications, video-sharing applications, and video games. The book will discuss best practices, libraries, functional requirement collecting, and feature development while constructing and explaining the functionalities of these applications. A range of topics like Android fundamentals, layout and image optimization, practical development tools, writing clean code, multiscreen app development, creating chat apps, video sharing applications, and games will be learned throughout this book. WHAT YOU WILL LEARN ● Develop the ability to write well-structured programs and modular codes. ● Workaround ExoPlayer, Notifications, RecyclerView, ToolBar, Unity, Jetpack components, etc. ● Explore and use Memory analyzer, Database analyzer, Logcat, and Layout Inspector. ● Examine the design patterns and performance of various layout designs and optimize accordingly. ● Create different designs for mobile and tablets in the same application. WHO THIS BOOK IS FOR Aspiring Android developers, Kotlin programmers, and mobile developers would benefit from reading this book by improving their writing skills and fully utilizing the benefits of Kotlin in their application development. However, before reading this book, it would be beneficial to know Kotlin. TABLE OF CONTENTS 1. Creating Hello World Project 2. Basics of Android Components 3. Architecture Patterns 4. Developing Chat Application 5. Publishing the Application 6. Developing Video Sharing Application 7. Introduction to Game Development 8. Development of the First Game 9. Adding Support for Big Screens 10. Introducing Important Tools/Libs for Android




Thriving in Android Development Using Kotlin


Book Description

Build a range of Android applications such as a messaging app, a photo editor, and a video streaming platform that address common real-world issues such as authentication, connecting to synchronous and asynchronous remote sources, rendering complex UIs with Jetpack Compose, and more with seasoned Android GDE, Gema Socorro Rodriguez Key Features Understand complex concepts in a coherent way by solving challenging real-world problems and developing three practical projects Use the latest features of libraries in Jetpack Compose, Room, CameraX, ExoPlayer, and more Leverage best practices for UI creation, app structure, data handling, and lifecycle management Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionFinding resources on creating apps with the Android framework and Kotlin is easy, but discovering content that addresses the common challenges faced by app developers is difficult. This book is designed to bridge that gap and equip you with the skills to tackle everyday problems in Android development. You'll get hands on with Android development by building an app similar to WhatsApp. Next, you'll learn how to process asynchronous messages reactively, render them using Jetpack Compose, and advance to creating and uploading a backup of these messages. As you progress, you'll develop Packtagram, an app inspired by Instagram, focused on advanced photo-editing capabilities using the latest CameraX libraries. Finally, you'll build your own Netflix-like app, integrating video playback functionality with ExoPlayer for both foreground and background operations, and enabling casting to other devices. By the end of this book, you'll have crafted three fully functional projects across multiple platforms and gained the expertise to solve the most common challenges in Android development confidently.What you will learn Create complex UIs with Jetpack Compose Structure and modularize apps with a focus on further scaling Connect your app to synchronous and asynchronous remote sources Store and cache information and manage the lifecycle of this data Execute periodic tasks using WorkManager Capture and edit photos and videos using CameraX Authenticate your users securely Play videos in the foreground and background and cast them to other devices Who this book is for If you're a mid-level Android engineer, this book is for you as it will not only teach you how to solve issues that occur in real-world apps but also benefit you in your day-to-day work. This book will also help junior engineers who want to get exposed to complex problems and explore best practices to solve them. A basic understanding of Android and Kotlin concepts such as views, activities, lifecycle, and Kotlin coroutines will be useful to get the most out of this book.




How to Build Android Apps with Kotlin


Book Description

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.




Mastering Kotlin for Android 14


Book Description

Accelerate your Android development journey by mastering the latest Kotlin techniques and libraries to build robust apps with the help of this part-color guide Key Features Apply best practices and industry-essential skills used by Google Developer Experts Find out how to publish, monitor, and improve your app metrics on the Google Play Store Learn how to debug issues, detect leaks, inspect network calls, and inspect your app’s local database Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionWritten with the best practices, this book will help you master Kotlin and use its powerful language features, libraries, tools, and APIs to elevate your Android apps. As you progress, you'll use Jetpack Compose and Material Design 3 to build UIs for your app, explore how to architect and improve your app architecture, and use Jetpack Libraries like Room and DataStore to persist your data locally. Using a step-by-step approach, this book will teach you how to debug issues in your app, detect leaks, inspect network calls fired by your app, and inspect your Room database. You'll also add tests to your apps to detect and address code smells. Toward the end, you’ll learn how to publish apps to the Google Play Store and see how to automate the process of deploying consecutive releases using GitHub actions, as well as learn how to distribute test builds to Firebase App Distribution. Additionally, the book covers tips on how to increase user engagement. By the end of this Kotlin book, you’ll be able to develop market-ready apps, add tests to their codebase, address issues, and get them in front of the right audience.What you will learn Build beautiful, responsive, and accessible UIs with Jetpack Compose Explore various app architectures and find out how you can improve them Perform code analysis and add unit and instrumentation tests to your apps Publish, monitor, and improve your apps in the Google Play Store Perform long-running operations with WorkManager and persist data in your app Use CI/CD with GitHub Actions and distribute test builds with Firebase App Distribution Find out how to add linting and static checks on CI/CD pipelines Who this book is for If you’re an aspiring Android developer or an Android developer working with Java, then this book is for you. Basic Java programming skills are a must if you want to fully utilize the techniques and best practices showcased in this book.




Building Kotlin Applications


Book Description

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




Android Application Development with Kotlin


Book Description

Unleash the Power of Kotlin for Android App Development DESCRIPTION This book aims to provide the knowledge around the fundamental concept of Kotlin languages, and itÕs an application in Android application development. It covers basic to advanced concepts with practical examples. Each chapter in this book is a step by step journey towards the learning Kotlin and excel in various topics and concepts. It covers topics like data types, various functions, including lambdas and higher-order functions. It also covers advanced topics like Generics, Collections, DSL, Coroutine, etc. Most importantly, such concepts are explained with practical usage of it in Android application. You will get to know what is the best possible way to use these concepts while you develop an Android application. In this book, along with Kotlin, an attempt has been made where few Android-specific topics are also explained. For example, the application is using Architecture components, including ViewModel, LiveData, NavigationComponent, and also it uses Flow, which is a hot topic in Kotlin. While we learn this concept, along with that, we also develop a sample application where we can apply our learning and, in the end, have some tangible and measurable output. Readers with little previous knowledge of Android application development can easily follow this book. Most of the chapters are code-heavy and focuses on practical usage of KotlinÕs features. Each chapter has code on the GitHub. You can check out this code and try it out. Or you can develop in parallel and cherry-pick things from the sample code base as and when you need it. Few chapters also follow the quiz at the end, and you can self assess yourself by going through that quiz. In total there are ten chapters. KEY FEATURESÊÊ - The book has theories explained elaborately along with Kotlin code and corresponding output to support the theoretical explanations. The Kotlin codes are provided with step-by-step comments to explain each instruction of the code. - The book is quite well balanced with programs and illustrative real-case problems.Ê - The book is not just explaining theoretical concepts of the language. Still, it explains how the full-fledged application can be developed using some latest tools and technologies and create an excellent Android application using Kotlin. - Few of the chapter offers the quiz at the end of it. And you can revise the concepts quickly. - A rich sample application is created to demonstrate KotlinÕs capability in various parts of the application. - Quite the latest concepts are discussed in depth. For example, Flow, NavigationComponent, Coroutine, ViewModel, and LiveData. WHAT WILL YOU LEARNÊ - Know the basics and many advanced concepts of Android. - Able to code in Kotlin for your Android application. - You will know how architecture components can be used in Android application with Kotlin. - Writing tests that use coroutine, Flow, LiveData, and ViewModel. - What measures you need to take before you put an application in production. - How agile practices can be applied before and after the application development is started. WHO THIS BOOK IS FORÊ The book is for readers with basic programming and android application development skills. The book is for any engineering graduates that wish to use Kotlin as a programming language for their Android application or wish to build a career in this direction.ÊThis book can also be useful for those who want to learn how testing aspects work for Android applications. The use cases and programs discussed in the book are self-explanatory and detailed with practical examples wherever necessary. This is why the book can be read by anyone who has an interest in Kotlin and Android and how applications are developed with the industry level standard maintained.Ê TABLE OF CONTENTS 1. Getting started with Kotlin for Android 2.ÊKotlin Fundamentals 3.ÊGo to the Depth of Kotlin 4.ÊDesign Patterns in Kotlin 5.ÊAnalyzing and Architecting a Meal Recipe App 6.ÊMaking Network Calls Using Coroutines 7.ÊKotlin-ize remaining of your app 8.ÊTesting the Kotlin Code 9.ÊMake Your App Production Ready 10.ÊKotlin Everywhere




Android UI Development with Jetpack Compose


Book Description

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.