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.

The comprehensive developer guide to the latest Android features and capabilities Professional Android, 4th Edition shows developers how to leverage the latest features of Android to create robust and compelling mobile apps. This hands-on approach provides in-depth coverage through a series of projects, each introducing a new Android platform feature and highlighting the techniques and best practices that exploit its utmost functionality. The exercises begin simply, and gradually build into advanced Android development. Clear, concise examples show you how to quickly construct real-world mobile applications. This book is your guide to smart, efficient, effective Android development. Learn the best practices that get more out of Android Understand the anatomy, lifecycle, and UI metaphor of Android apps Design for all mobile platforms, including tablets Utilize both the Android framework and Google Play services

Quickly master Kotlin by practicing what you learn KEY FEATURES ● Understand Kotlin concepts and best practices. ● Apply what you learn in eight engaging interactive projects. ● Build real-world applications, including REST APIs and serverless deployments. DESCRIPTION Kotlin Crash Course is a fast-paced, hands-on introduction to Kotlin, preparing readers to build robust applications efficiently using the latest language features and best practices. The book is divided into comprehensive chapters that cover key Kotlin programming topics such as object-oriented and functional programming, collections, concurrency, and unit testing. Each chapter takes a learning by doing approach, focusing on practical projects rather than solely theoretical knowledge. This strategy improves knowledge retention by simulating real-life experiences, allowing students to apply concepts in practice as they learn them. Furthermore, the book is interwoven with an abundance of best practices obtained from industry experience. This approach ensures that even beginners can gain seasoned insights and apply their knowledge confidently to real-world challenges. By the end of this comprehensive course, you will not only possess a strong foundation in Kotlin programming but also the practical skills to build real-world applications, including REST APIs and serverless applications leveraging Kotlin's cloud capabilities. WHAT YOU WILL LEARN ● Understand Kotlin syntax and basic coding conventions. ● Master object-oriented and functional programming concepts. ● Utilize Kotlin’s collection framework effectively. ● Implement concurrency and parallelism with coroutines. ● Build robust applications with best practices. ● Develop diverse applications, including REST APIs and serverless solutions. WHO THIS BOOK IS FOR This book is suitable for students, programmers from other languages, Java developers, back-end developers, full-stack developers, and mobile developers. The book is appropriate for both new and experienced programmers wishing to acquire or refresh their Kotlin skills. TABLE OF CONTENTS 1. Discovering the Power of Kotlin Programming 2. Kotlin Syntax and Basic Coding Conventions 3. Setting up the Development Environment 4. Fundamental Building Blocks of Kotlin 5. Object-oriented Programming 6. Kotlin Collection Framework 7. Scope Functions 8. Functional Programming 9. Exploring Delegation Design Pattern 10. Concurrency and Parallelism 11. Unit Testing in Kotlin 12. Building a Simple REST API 13. Building Event-Driven Cloud Native Serverless Application

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.

Updated with the latest Maven coordinates, Java programming features, and API changes, this book is your guide to solving problems in writing asynchronous and event-based programs Key FeaturesExplore a variety of tools and techniques used to solve problems in implementing concurrency and parallelizationLearn about core operators in RxJava that enable you to express your code logic productivelyApply RxJava with Kotlin to create responsive Android apps with better user experienceBook Description RxJava is not just a popular library for building asynchronous and event-based applications; it also enables you to create a cleaner and more readable code base. In this book, you’ll cover the core fundamentals of reactive programming and learn how to design and implement reactive libraries and applications. Learning RxJava will help you understand how reactive programming works and guide you in writing your first example in reactive code. You’ll get to grips with the workings of Observable and Subscriber, and see how they are used in different contexts using real-world use cases. The book will also take you through multicasting and caching to help prevent redundant work with multiple Observers. You’ll then learn how to create your own RxJava operators by reusing reactive logic. As you advance, you’ll explore effective tools and libraries to test and debug RxJava code. Finally, you’ll delve into RxAndroid extensions and use Kotlin features to streamline your Android apps. By the end of this book, you'll become proficient in writing reactive code in Java and Kotlin to build concurrent applications, including Android applications. What you will learnDiscover different ways to create Observables, Observers, and SubscribersMulticast in order to push data to multiple destinations and cache and replay themExpress RxJava idiomatically with the help of Kotlin features such as extension functions and data classesBecome familiar with various operators available in RxJava to perform common transformations and tasksExplore RxJava’s reactive types, including Flowable, Single, Maybe, and CompletableDemystify Observables and how they express data and events as sequencesWho this book is for This book is for Java developers who want to leverage reactive programming to develop more resilient and concurrent applications. If you're an RxJava user looking to get to grips with the latest features and updates in RxJava 3, this book is for you. Fundamental knowledge of core Java features and object-oriented programming will assist you in understanding the key concepts covered in this book.

Java Mastery in 60 Days Unlock the secrets of Java programming with "Java Mastery in 60 Days"! This comprehensive guide is designed to take you from a beginner to an advanced Java developer in just two months. Whether you're starting from scratch or looking to polish your skills, this book provides a structured, hands-on approach to mastering Java. What's Inside: Foundational Concepts: Get started with Java setup, variables, data types, and control flow. Object-Oriented Programming: Dive deep into classes, objects, inheritance, and interfaces. Advanced Topics: Explore collections, error handling, file I/O, and functional programming with lambdas and streams. Leveling Up: Learn design patterns, concurrency, GUI development, and web development basics with Servlets/JSP and Spring. Practical Applications: Connect to databases with JDBC, test your code with JUnit, and enhance performance through profiling. New Java Features: Stay current with the latest additions to the Java language. Real-World Projects: Build a portfolio with project ideas to showcase your skills to potential employers. Why Choose This Book? Step-by-Step Learning: Each chapter builds on the previous one, ensuring a solid understanding of each concept. Hands-On Examples: Practice what you learn with numerous examples and exercises. Expert Guidance: Benefit from the insights of experienced Java developers who share their best practices and tips. Career Boost: Equip yourself with the skills needed for a successful career in software development. Perfect For: Beginners who want to learn Java from scratch. Intermediate developers looking to deepen their understanding. Anyone preparing for Java certification exams. Professionals seeking to enhance their Java skills for career advancement. Don't miss out on this opportunity to become a Java master! Download "Java Mastery in 60 Days" today and start your journey to becoming an expert Java developer.

This two-volume ​set CCIS 1498 and CCIS 1499 contains the late breaking posters presented during the 23rd International Conference on Human-Computer Interaction, HCII 2021, which was held virtually in July 2021. The total of 1276 papers and 241 posters included in the 39 HCII 2021 proceedings volumes was carefully reviewed and selected from 5222 submissions. Additionally, 174 papers and 146 posters are included in the volumes of the proceedings published after the conference, as “Late Breaking Work” (papers and posters). The posters presented in these two volumes are organized in topical sections as follows: HCI Theory and Practice; UX Design and Research in Intelligent Environments; Interaction with Robots, Chatbots, and Agents; Virtual, Augmented, and Mixed Reality; Games and Gamification; HCI in Mobility, Transport and Aviation; ​Design for All and Assistive Technologies; Physiology, Affect and Cognition; HCI for Health and Wellbeing; HCI in Learning, Teaching, and Education; Culture and Computing; Social Computing; Design Case Studies; User Experience Studies.

Journey from Hustle to Tranquil Earnings Are you tired of the relentless grind of the 9-to-5 routine? Do you dream of a life where your money works for you, instead of the other way around? The Art of Effortless Earning: A Passive Income Journey is here to turn that dream into a reality. This comprehensive guide will transform the way you think about money, opening doors to financial freedom you never knew existed. Imagine waking up each day knowing that your bank account is growing while you enjoy the things you love. In the gripping opening chapters, you'll discover the true meaning of passive income and distinguish it from the myths that have steered so many off course. Through inspiring real-world examples, you'll see how everyday people have successfully built wealth through various passive income streams. Delve into the mind of a passive income earner with Chapter 2, where you'll learn the essential mindset shifts required for this journey. Overcome the fears and doubts that have been holding you back, and set the stage for financial literacy and long-term success with practical and actionable steps. By Chapter 4, you will be ready to plunge into lucrative realms like real estate, digital products, and stock market investing. Imagine creating a compelling eBook or an online course, building a profitable blog, or perhaps becoming a social media influencer–all meticulously covered in subsequent chapters. Not only will you master the art of earning, but you will also gain insights into legalities, overcoming challenges, and maintaining a balanced life. Each chapter is a treasure trove of strategies, providing you with a clear roadmap to your financial independence. The Art of Effortless Earning: A Passive Income Journey isn't just a book–it's your guide to a life where work no longer means trading hours for dollars. Don't let this opportunity slip through your fingers. Embrace the journey, and start living the life you've always envisioned.

Fully updated for Android Studio 3.0 and Android 8, the goal of this book is to teach the skills necessary to develop Android based applications using the Android Studio Integrated Development Environment (IDE), the Android 8 Software Development Kit (SDK) and the Kotlin programming language. Beginning with the basics, this book provides an outline of the steps necessary to set up an Android development and testing environment followed by an introduction to programming in Kotlin including data types, flow control, functions, lambdas and object-oriented programming. An overview of Android Studio is included covering areas such as tool windows, the code editor and the Layout Editor tool. An introduction to the architecture of Android is followed by an in-depth look at the design of Android applications and user interfaces using the Android Studio environment. More advanced topics such as database management, content providers and intents are also covered, as are touch screen handling, gesture recognition, camera access and the playback and recording of both video and audio. This edition of the book also covers printing, transitions and cloud-based file storage. The concepts of material design are also covered in detail, including the use of floating action buttons, Snackbars, tabbed interfaces, card views, navigation drawers and collapsing toolbars. In addition to covering general Android development techniques, the book also includes Google Play specific topics such as implementing maps using the Google Maps Android API, and submitting apps to the Google Play Developer Console. Other key features of Android Studio 3 and Android 8 are also covered in detail including the Layout Editor, the ConstraintLayout and ConstraintSet classes, constraint chains and barriers, direct reply notifications and multi-window support. Chapters also cover advanced features of Android Studio such as App Links, Instant Apps, the Android Studio Profiler and Gradle build configuration. Assuming you already have some programming experience, are ready to download Android Studio and the Android SDK, have access to a Windows, Mac or Linux system and ideas for some apps to develop, you are ready to get started.

Learn how to make Android development much faster using a variety of Kotlin features, from basics to advanced, to write better quality code. About This Book Leverage specific features of Kotlin to ease Android application development Write code based on both object oriented and functional programming to build robust applications Filled with various practical examples so you can easily apply your knowledge to real world scenarios Identify the improved way of dealing with common Java patterns Who This Book Is For This book is for developers who have a basic understanding of Java language and have 6-12 months of experience with Android development and developers who feel comfortable with OOP concepts. What You Will Learn Run a Kotlin application and understand the integration with Android Studio Incorporate Kotlin into new/existing Android Java based project Learn about Kotlin type system to deal with null safety and immutability Define various types of classes and deal with properties Define collections and transform them in functional way Define extensions, new behaviours to existing libraries and Android framework classes Use generic type variance modifiers to define subtyping relationship between generic types Build a sample application In Detail Nowadays, improved application development does not just mean building better performing applications. It has become crucial to find improved ways of writing code. Kotlin is a language that helps developers build amazing Android applications easily and effectively. This book discusses Kotlin features in context of Android development. It demonstrates how common examples that are typical for Android development, can be simplified using Kotlin. It also shows all the benefits, improvements and new possibilities provided by this language. The book is divided in three modules that show the power of Kotlin and teach you how to use it properly. Each module present features in different levels of advancement. The first module covers Kotlin basics. This module will lay a firm foundation for the rest of the chapters so you are able to read and understand most of the Kotlin code. The next module dives deeper into the building blocks of Kotlin, such as functions, classes, and function types. You will learn how Kotlin brings many improvements to the table by improving common Java concepts and decreasing code verbosity. The last module presents features that are not present in Java. You will learn how certain tasks can be achieved in simpler ways thanks to Kotlin. Through the book, you will learn how to use Kotlin for Android development. You will get to know and understand most important Kotlin features, and how they can be used. You will be ready to start your own adventure with Android development with Kotlin.