Jetpack Compose By Tutorials Second Edition

Build Beautiful Apps With Jetpack ComposeJetpack Compose is hyping up everyone in the Android UI toolkit world. This completely new and modern solution to building declarative user interfaces provides more opportunity than ever to create beautiful, reactive and animated apps.However, because of its new status, Jetpack Compose is lacking one of the most important pieces of successful software: detailed documentation. That's why we've prepared a whole book's worth of documentation for you!Jetpack Compose By Tutorials is here to help, by showing you exactly how Compose works, what its fundamental components are and how you can use them to build complex real-world apps!Who this book is forThis book is for all Android developers who have experience with the legacy UI Toolkit through XML and View components, but who are looking for a fresh, reusable, clean and easy-to-use solution to reduce their boilerplate code while building stunning user interfaces.Topics covered in Jetpack Compose by TutorialsFundamentals: Core Jetpack Compose elements and functionsCombining components: Mixing different layouts and building beautiful interfacesState Management: State wrappers, LiveData observables and UI recompositionUI Styling: Modifiers for size, shape, colors, background, padding and alignmentUser Interaction: Different click, touch and scroll listeners and their handlersAnimations: State changes, value animations and complex transitionsUI Testing: Learn how to test your Jetpack Compose codeAccessibility: Learn how to support Accessibility using Jetpack ComposeOne thing you can count on: After reading this book, you'll be prepared to tackle any design specification and build it in your Android apps using Jetpack Compose. You'll make your apps really stand out by adding different modifiers and Material Design components, as well as animations.

This book aims to teach you how to build Android applications using Jetpack Compose 1.3, Android Studio Flamingo (2022.2.1), Material Design 3, and the Kotlin programming language. The book begins with the basics by explaining how to set up an Android Studio development environment. The book also includes in-depth chapters introducing the Kotlin programming language, including data types, operators, control flow, functions, lambdas, coroutines, and object-oriented programming. An introduction to the key concepts of Jetpack Compose and Android project architecture is followed by a guided tour of Android Studio in Compose development mode. The book also covers the creation of custom Composables and explains how functions are combined to create user interface layouts, including row, column, box, and list components. Other topics covered include data handling using state properties, key user interface design concepts such as modifiers, navigation bars, and user interface navigation. Additional chapters explore building your own reusable custom layout components. The book covers graphics drawing, user interface animation, transitions, Kotlin Flows, and gesture handling. Chapters also cover view models, SQLite databases, Room database access, the Database Inspector, live data, and custom theme creation. Using in-app billing, you will also learn to generate extra revenue from your app. Finally, the book explains how to package up a completed app and upload it to the Google Play Store for publication. Along the way, the topics covered in the book are put into practice through detailed tutorials, the source code for which is also available for download. Assuming you already have some rudimentary programming experience, are ready to download Android Studio and the Android SDK, and have access to a Windows, Mac, or Linux system, you are ready to start.

Get started with creating intuitive native user interfaces on Android platforms Key Features Understand the difference between the imperative (Android View) and declarative (Jetpack Compose) approach Learn about the structure of a Compose app, built-in Compose UI elements, and core concepts such as state hoisting and composition over inheritance Write, test, and debug composable functions Book DescriptionJetpack Compose is Android’s new framework for building fast, beautiful, and reliable native user interfaces. It simplifies and significantly accelerates UI development on Android using the declarative approach. This book will help developers to get hands-on with Jetpack Compose and adopt a modern way of building Android applications. The book is not an introduction to Android development, but it will build on your knowledge of how Android apps are developed. Complete with hands-on examples, this easy-to-follow guide will get you up to speed with the fundamentals of Jetpack Compose such as state hoisting, unidirectional data flow, and composition over inheritance and help you build your own Android apps using Compose. You'll also cover concepts such as testing, animation, and interoperability with the existing Android UI toolkit. By the end of the book, you'll be able to write your own Android apps using Jetpack Compose.What you will learn Gain a solid understanding of the core concepts of Jetpack Compose Develop beautiful, neat, and immersive UI elements that are user friendly, reliable, and performant Build a complete app using Jetpack Compose Add Jetpack Compose to your existing Android applications Test and debug apps that use Jetpack Compose Find out how Jetpack Compose can be used on other platforms Who this book is forThis book is for any mobile app developer looking to understand the fundamentals of the new Jetpack Compose framework and the benefits of native development. A solid understanding of Android app development, along with some knowledge of the Kotlin programming language, will be beneficial. Basic programming knowledge is necessary to grasp the concepts covered in this book effectively.

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.

Learn How to Use Kotlin to Share Code Across PlatformsApplication developers have to often repeat the same code across multiple platforms, which is not only time-consuming but also error-prone. Most documentation targets only specific use cases but misses out on the nuances essential to sharing code effectively across platforms.Kotlin Multiplatform by Tutorials will help you efficiently implement real-world apps for different platforms by sharing common code.Who This Book is ForThis book is for mobile developers and managers who want to explore how they can use Kotlin Multiplatform to share code across Android, iOS and desktop apps. If you want to reduce development and testing time by writing certain parts of your apps only once, this book will help.Topics Covered in Kotlin Multiplatform by Tutorials Jetpack Compose Android: Use Android's latest UI toolkit to quickly spin up the UI for different screens of your Android app. Compose Multiplatform: Use the concepts you learned in Jetpack Compose Android to develop the UI for desktop apps. SwiftUI: Learn how to develop the UI for iOS and macOS apps entirely in Swift. Testing: Make your code reliable by writing tests for both common code as well as platform-specific code. Koin: Learn about dependency injection and how you can use Koin to implement dependency injection in multiplatform apps. SQLDelight: Create a common persistence layer for your multiplatform apps while also getting the benefits of compile-time safety for schemas, statements and migrations. Serialization: Learn about different serialization formats and how you can use them to parse JSON data fetched from the Internet. Ktor: Implement a common networking layer with support for platform-specific HTTP clients. Coroutines: Learn about structures concurrency and the considerations to keep in mind while using coroutines on different platforms.One thing you can count on: after reading this book, you'll be prepared to create modules where you can write your code only once but target multiple platforms.

Save Data on Android! Persisting data has always been a fundamental part of any app. Saving data locally or remotely with modern synchronization techniques allows your app to always be up-to-date, reactively presenting fresh data. This book is for intermediate Kotlin or Android developers who want to know how to persist data using the standard Android APIs, the Jetpack DataStore mechanism, the Room Android Architecture Component or the features Google Firebase offers. Topics Covered in This Book: Persistence with Android SDK: Learn how to manage files, SharedPreferences or SQLite databases using the APIs the Android platform offers by default. Jetpack DataStore: Learn how to persist simple data by using key-value pairs. This is Google's new and improved solution for saving data. In this book, you'll learn basics about Preferences DataStore and how to migrate from SharedPreferences. Using Room: Room is one of the most important Android Architecture Components delivered by Google. It allows managing entities and relations using classic Object-Oriented principles. In this book, you'll learn everything you need to store data and run queries on top of it. Managing relationships with Room: A database has entities and relationships. With this book, you'll learn how to design your database and manage relationships both eagerly and lazily. Managing and testing migrations: Every app evolves over time. Here, you'll learn how to manage migrations with Room and how to test them properly. Firebase Realtime Database: Google provides tools to manage data locally and remotely through the Firebase platform. With the Firebase Realtime Database, you can manage and keep data in sync, simply and efficiently. Cloud Storage: Another option Google provides is Cloud Storage, which allows you to leverage all the power of Google's infrastructure to manage your data and run expensive queries. Learn how to leverage its power in your own apps. You're only one step from becoming a saving data expert. It's time to dive into this book!

Learn all the Java and Android skills you need to start making powerful mobile applications About This Book Kick-start your Android programming career, or just have fun publishing apps to the Google Play marketplace A first-principles introduction to Java, via Android, which means you'll be able to start building your own applications from scratch Learn by example and build three real-world apps and over 40 mini apps throughout the book Who This Book Is For Are you trying to start a career in programming, but haven't found the right way in? Do you have a great idea for an app, but don't know how to make it a reality? Or maybe you're just frustrated that “to learn Android, you must know java.” If so, Android Programming for Beginners is for you. You don't need any programming experience to follow along with this book, just a computer and a sense of adventure. What You Will Learn Master the fundamentals of coding Java for Android Install and set up your Android development environment Build functional user interfaces with the Android Studio visual designer Add user interaction, data captures, sound, and animation to your apps Manage your apps' data using the built-in Android SQLite database Find out about the design patterns used by professionals to make top-grade applications Build, deploy, and publish real Android applications to the Google Play marketplace In Detail Android is the most popular OS in the world. There are millions of devices accessing tens of thousands of applications. It is many people's entry point into the world of technology; it is an operating system for everyone. Despite this, the entry-fee to actually make Android applications is usually a computer science degree, or five years' worth of Java experience. Android Programming for Beginners will be your companion to create Android applications from scratch—whether you're looking to start your programming career, make an application for work, be reintroduced to mobile development, or are just looking to program for fun. We will introduce you to all the fundamental concepts of programming in an Android context, from the Java basics to working with the Android API. All examples are created from within Android Studio, the official Android development environment that helps supercharge your application development process. After this crash-course, we'll dive deeper into Android programming and you'll learn how to create applications with a professional-standard UI through fragments, make location-aware apps with Google Maps integration, and store your user's data with SQLite. In addition, you'll see how to make your apps multilingual, capture images from a device's camera, and work with graphics, sound, and animations too. By the end of this book, you'll be ready to start building your own custom applications in Android and Java. Style and approach With more than 40 mini apps to code and run, Android Programming for Beginners is a hands-on guide to learning Android and Java. Each example application demonstrates a different aspect of Android programming. Alongside these mini apps, we push your abilities by building three larger applications to demonstrate Android application development in context.