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Simplifying Android Development with Coroutines and Flows

Simplifying Android Development with Coroutines and Flows
Author: Jomar Tigcal
Publisher: Packt Publishing Ltd
Total Pages: 165
Release: 2022-07-27
Genre: Computers
ISBN: 1801817200
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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.

How to Build Android Apps with Kotlin

How to Build Android Apps with Kotlin
Author: Alex Forrester
Publisher: Packt Publishing Ltd
Total Pages: 704
Release: 2023-05-02
Genre: Computers
ISBN: 1837639809
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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.

Android UI Development with Jetpack Compose

Android UI Development with Jetpack Compose
Author: Thomas Künneth
Publisher: Packt Publishing Ltd
Total Pages: 278
Release: 2023-11-03
Genre: Computers
ISBN: 1837636699
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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.

Kotlin Coroutines by Tutorials (Third Edition)

Kotlin Coroutines by Tutorials (Third Edition)
Author: raywenderlich Tutorial Team
Publisher:
Total Pages:
Release: 2022-05-11
Genre:
ISBN: 9781950325689
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Learn coroutines!Executing background tasks has always been a big challenge in every environment and, in particular, on mobile devices where resources are limited. Kotlin has simplified the way you can write code improving your productivity with a new programming paradigm, enhancing object-oriented and functional programming with simple, powerful and new constructs. Coroutines are one of these!Who This Book Is ForThis book is for intermediate Kotlin or Android developers who already know the basics of UI development but want to learn coroutine API to simplify and optimize their code.Topics Covered in this BookAsynchronous programming: Learn what asynchronous programming means and how to achieve it using not blocking calls.Configuration: Learn how to configure IntelliJ and Android Studio to use Coroutine APIsCoroutine principles: Learn what coroutines and launching builders are and how to manage Job dependencies. Suspending functions: This is the main concept around coroutines and you'll learn how to declare a suspending function and how to deal with results Sequences and Iterators: Learn how to manage theoretically infinite collections of data in an efficient way using Sequences, Iterators and the yield function. Thread communication techniques: Learn how different tasks can communicate using Channels, Flow, and specific coroutine operators.And much more, including benchmarks, Broadcast Channels, Flow!One thing you can count on: After reading this book, you'll be prepared to take advantage of all the improvements coroutines have to offer!

Programming Android with Kotlin

Programming Android with Kotlin
Author: Pierre-Olivier Laurence
Publisher:
Total Pages: 0
Release: 2021
Genre:
ISBN:
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Android development is so vast that mastering this mobile operating system can seem daunting--particularly now that Kotlin has become the official Android development language. This book helps Android developers make the transition from Java to Kotlin and shows them how Kotlin provides a true advantage for gaining control over asynchronous computations. By focusing specifically on coroutines, a new asynchronous programming paradigm, this book describes how you can achieve structured concurrency with Kotlin. Authors Pierre-Oliver Laurence, Amanda Hinchman-Dominguez, and Mike Dunn provide implementations of the most common tasks in native Android development. The basics of the Kotlin language and the Android architecture Data transformations in Kotlin Android fundamentals in memory and threading Concurrency with coroutines Channels and flows Android profiling tools.

Programming Android with Kotlin

Programming Android with Kotlin
Author: Pierre-Olivier Laurence
Publisher: O'Reilly Media
Total Pages: 325
Release: 2021-09-14
Genre:
ISBN: 9781492063001
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Android development is so vast that mastering this mobile operating system can seem daunting--particularly now that Kotlin has become the official Android development language. This book helps Android developers make the transition from Java to Kotlin and shows them how Kotlin provides a true advantage for gaining control over asynchronous computations. By focusing specifically on coroutines, a new asynchronous programming paradigm, this book describes how you can achieve structured concurrency with Kotlin. Authors Pierre-Oliver Laurence, Amanda Hinchman-Dominguez, and Mike Dunn provide implementations of the most common tasks in native Android development. The basics of the Kotlin language and the Android architecture Data transformations in Kotlin Android fundamentals in memory and threading Concurrency with coroutines Channels and flows Android profiling tools

Simplifying Application Development with Kotlin Multiplatform Mobile

Simplifying Application Development with Kotlin Multiplatform Mobile
Author: Robert Nagy
Publisher: Packt Publishing Ltd
Total Pages: 184
Release: 2022-03-04
Genre: Computers
ISBN: 1801819653
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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.

Android Studio 4.1 Development Essentials - Kotlin Edition

Android Studio 4.1 Development Essentials - Kotlin Edition
Author: Neil Smyth
Publisher: Payload Media
Total Pages: 783
Release: 2020-10-26
Genre: Computers
ISBN: 1951442245
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Fully updated for Android Studio 4.1, Android 11 (R), Android Jetpack and the modern architectural guidelines and components, the goal of this book is to teach the skills necessary to develop Android-based applications using 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, coroutines 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. Chapters are also included covering the Android Architecture Components including view models, lifecycle management, Room databases, app navigation, live data and data binding. More advanced topics such as intents are also covered, as are touch screen handling, gesture recognition and the playback and recording of audio. This edition of the book also covers printing, transitions, cloud-based file storage and foldable device support. 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. Other key features of Android Studio 4.1 and the Android 11 SDK are also covered in detail including the Layout Editor, the ConstraintLayout and ConstraintSet classes, MotionLayout animation, constraint chains and barriers, view binding, direct reply notifications and multi-window support. Chapters also cover advanced features of Android Studio such as App Links, Dynamic Feature Modules, 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.

Kotlin and Android Development Featuring Jetpack

Kotlin and Android Development Featuring Jetpack
Author: Michael Fazio
Publisher: Pragmatic Bookshelf
Total Pages: 400
Release: 2021-08-10
Genre: Computers
ISBN: 9781680508154
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Start building native Android apps the modern way in Kotlin with Jetpack's expansive set of tools, libraries, and best practices. Learn how to create efficient, resilient views with Fragments and share data between the views with ViewModels. Use Room to persist valuable data quickly, and avoid NullPointerExceptions and Java's verbose expressions with Kotlin. You can even handle asynchronous web service calls elegantly with Kotlin coroutines. Achieve all of this and much more while building two full-featured apps, following detailed, step-by-step instructions.With Kotlin and Jetpack, Android development is now smoother and more enjoyable than ever before. Dive right in by developing two complete Android apps. With the first app, Penny Drop, you create a full game complete with random die rolls, customizable rules, and AI opponents. Build lightweight Fragment views with data binding, quickly and safely update data with ViewModel classes, and handle all app navigation in a single location. Use Kotlin with Android-specific Kotlin extensions to efficiently write null-safe code without all the normal boilerplate required for pre-Jetpack + Kotlin apps. Persist and retrieve data as full objects with the Room library, then display that data with ViewModels and list records in a RecyclerView. Next, you create the official app for the Android Baseball League. It's a fake league but a real app, where you use what you learn in Penny Drop and build up from there. Navigate all over the app via a Navigation Drawer, including specific locations via Android App Links. Handle asynchronous and web service calls with Kotlin Coroutines, display that data smoothly with the Paging library, and send notifications to a user's phone from your app. Come build Android apps the modern way with Kotlin and Jetpack! What You Need: You'll need the Android SDK, a text editor, and either a real Android device or emulator for testing. While not strictly required, it's assumed you're using Android Studio, which comes with the Android SDK and simplifies creating an emulator. Also, a few examples require JDK 1.8 or later, though all of these pieces can be completed in other ways when using JDK 1.6.