asynchronous android programming

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Asynchronous Android Programming

Author : Helder Vasconcelos
ISBN : 9781785885518
Genre : Computers
File Size : 35. 81 MB
Format : PDF, Mobi
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Unlock the power of multi-core mobile devices to build responsive and reactive Android applications About This Book Construct scalable and performant applications to take advantage of multi-thread asynchronous techniques Explore the high-level Android asynchronous constructs available on the Android SDK Choose the most appropriate asynchronous technique to implement your next outstanding feature Who This Book Is For This book is for Android developers who want to learn how to build multithreaded and reliable Android applications using high-level and advanced asynchronous techniques and concepts. No prior knowledge of concurrent and asynchronous programming is required. This book will also be great for Java experts who are new to Android. Whether you are a beginner at Android development or a seasoned Android programmer, this book will guide you through the most basic and advanced asynchronous constructs used in Android programming. What You Will Learn Get familiar with the android process model and low-level concurrent constructs delivered by the Android SDK Use AsyncTask and loader framework to load data in the background, delivering progress results in the meantime Create services that interact with your activity without compromising the UI rendering Learn the working of Android concurrency on the Native Layer Interact with nearby devices over Bluetooth and WiFi communications channels Create and compose tasks with RxJava to execute complex asynchronous work in a predictable way Get accustomed to the use of the Android Loader construct to deliver up-to-date results In Detail Asynchronous programming has acquired immense importance in Android programming, especially when we want to make use of the number of independent processing units (cores) available on the most recent Android devices. With this guide in your hands you'll be able to bring the power of Asynchronous programming to your own projects, and make your Android apps more powerful than ever before! To start with, we will discuss the details of the Android Process model and the Java Low Level Concurrent Framework, delivered by Android SDK. We will also guide you through the high-level Android-specific constructs available on the SDK: Handler, AsyncTask, and Loader. Next, we will discuss the creation of IntentServices, Bound Services and External Services, which can run in the background even when the user is not interacting with it. You will also discover AlarmManager and JobScheduler APIs, which are used to schedule and defer work without sacrificing the battery life. In a more advanced phase, you will create background tasks that are able to execute CPU-intensive tasks in a native code-making use of the Android NDK. You will be then guided through the process of interacting with remote services asynchronously using the HTTP protocol or Google GCM Platform. Using the EventBus library, we will also show how to use the Publish-Subscribe software pattern to simplify communication between the different Android application components by decoupling the event producer from event consumer. Finally, we will introduce RxJava, a popular asynchronous Java framework used to compose work in a concise and reactive way. Asynchronous Android will help you to build well-behaved applications with smooth responsive user interfaces that delight the users with speedy results and data that's always fresh. Style and approach This easy-to-follow guide is full of code examples of real-world use cases. Each asynchronous topic is explained sequentially, from the most basic and low-level to the more advanced, using concise and effective language. Some lifecycle flows and concepts feature illustrations to help you understand the complex interactions between Android entities.

Asynchronous Android Programming

Author : Helder Vasconcelos
ISBN : 1785883240
Genre : Computers
File Size : 64. 36 MB
Format : PDF, Docs
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Asynchronous Android

Author : Steve Liles
ISBN : 9781783286881
Genre : Computers
File Size : 36. 53 MB
Format : PDF, Kindle
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Concurrent Programming on Android is a step-by-step guide that builds a complete picture of the concurrency constructs available on the Android platform. This book is for Android developers who want to learn about the advanced concepts of Android programming. No prior knowledge of concurrency and asynchronous programming is required. This book is also targeted towards Java experts who are new to Android.

Android Programming For Developers

Author : John Horton
ISBN : 9781787121904
Genre : Computers
File Size : 34. 79 MB
Format : PDF, ePub
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Develop your own responsive, reactive, and ready-to-deploy Android applications About This Book Kick-start your Android programming career or just have fun publishing apps to the Google Play marketplace Explore the high-level Android asynchronous constructs available on the Android SDK Learn the internals of a game engine by building one Who This Book Is For If you are an iOS developer or any other developer/programmer and you want to try your hands on developing applications on the Android platform, this course is for you. No prior programming experience is needed as this course will guide you right from the beginning to the advanced concepts of Android programming. What You Will Learn Mastering the fundamentals of coding Java for Android Installing and setting up your Android development environment Building functional user interfaces with the Android Studio visual designer Adding user interaction, data captures, sound, and animation to your apps Managing your apps' data using the built-in Android SQLite database Getting familiar with the android process model and low-level concurrent constructs delivered by the Android SDK Interacting with nearby devices over Bluetooth and WiFi communications channels Creating and composing tasks with RxJava to execute complex asynchronous work in a predictable way Handling user inputs, from virtual joysticks to gamepads Implementing collision detection using different techniques and discover how to optimize it for complex games Building, deploying, and publishing 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. The Android: Programming for Developers course will take you on a journey to become an efficient Android programmer by thoroughly understanding the key concepts of Android programming and develop market-ready applications. The course begins with helping you create Android applications from scratch. The first module, Android Programming for Beginners, introduces you to all the fundamental concepts of programming in an Android context, from the Java basics to working with the Android API. At the completion of this module, you'll be ready to start building your own custom applications in Android and Java. After getting familiar with the basic programming concepts, the second module, Asynchronous Android Programming, shows you how to make your applications more reliable. This will be achieved using high-level and advanced asynchronous techniques and concepts. Through this module, you will learn to construct scalable and performant applications to take advantage of multi-thread asynchronous techniques. With a good grasp on the basics, you move on the final module, Mastering Android Game Development. This progressive module will help you learn to use animations and particle systems to provide a rich experience. By the end of the course, you will create beautiful, responsive, and reusable UIs by taking advantage of the Android SDK. Style and approach The comprehensive course will run you through the basic concepts for newbies, move on to the UI design, teach you game development on Android, and finally make you proficient in application development on Android. Each of these aspects has been covered in individual modules to help you develop your skills after the completion of a module and get ready for the next.

Reactive Android Programming

Author : Tadas Subonis
ISBN : 9781787281462
Genre : Computers
File Size : 86. 92 MB
Format : PDF, Docs
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Make the most of asynchronous android programming About This Book Install and set up RxJava for Android development Implement the Reactive paradigm for Android programming using RxJava Create cutting edge real world Android apps with Reactive programming. Who This Book Is For Are you an android developer trying to figure out how to use reactive paradigm for your programming needs? If yes then this is the book for you. No previous knowledge of RxJava is required. What You Will Learn Set up an environment for asynchronous that is reactive Android programming Write custom observables and higher level abstractions Orchestrating multiple calls using Reactive programming principles Fetch remote financial data using RxJava Integrate and process Twitter streams gracefully Utilize Reactive programming to develop interactive and responsive Android apps Create your own application to follow financial stock updates in real-time based on selected companies' symbols Integrate updates from the Twitter for those companies. In Detail Writing code on Android is hard. Writing a high quality code that involves concurrent and parallel tasks is even harder. Ensuring that this code will run without unforeseen race conditions is an the order of magnitude harder. RxJava is the tool that can help write code for such tasks. In this book a novice developer will be introduced to a wide variety of tools that RxJava provides to enable them to produce robust and high-quality code for their asynchronous tasks by building a relatively simple(and high quality) application using advanced RxJava techniques to produce a high quality product. Part 1 of the book will lead the developer through RxJava's initial setup in Android environment. In Part 2, the reader will learn RxJava 2.0 step-by-step by starting off with stock data processing and display.The developer will learn to choose appropriate Schedulers and to use Retrofit library for remote requests.In Part 3, the reader will also learn advanced topics such as adding integration to Twitter to process its streaming data by combining it with stock data. Style and approach This book is a step by step practical guide which will essentially teach you to set up, implement, and debug Reactive Android Code with ease.

Efficient Android Threading

Author : Anders Goransson
ISBN : 9781449364113
Genre : COMPUTERS
File Size : 67. 27 MB
Format : PDF, Kindle
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Multithreading is essential if you want to create an Android app with a great user experience, but how do you know which techniques can help solve your problem? This practical book describes many asynchronous mechanisms available in the Android SDK, and provides guidelines for selecting the ones most appropriate for the app you’re building. Author Anders Goransson demonstrates the advantages and disadvantages of each technique, with sample code and detailed explanations for using it efficiently. The first part of the book describes the building blocks of asynchronous processing, and the second part covers Android libraries and constructs for developing fast, responsive, and well-structured apps. Understand multithreading basics in Java and on the Android platform Learn how threads communicate within and between processes Use strategies to reduce the risk of memory leaks Manage the lifecycle of a basic thread Run tasks sequentially in the background with HandlerThread Use Java’s Executor Framework to control or cancel threads Handle background task execution with AsyncTask and IntentService Access content providers with AsyncQueryHandler Use loaders to update the UI with new data

Reactive Programming In Kotlin

Author : Rivu Chakraborty
ISBN : 9781788470254
Genre : Computers
File Size : 57. 52 MB
Format : PDF, ePub, Mobi
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Learn how to implement Reactive Programming paradigms with Kotlin, and apply them to web programming with Spring Framework 5.0 and in Android Application Development. About This Book Learn how to solve blocking user experience with Reactive Programming and get deep insights into RxKotlin Integrate Reactive Kotlin with Spring and build fantastic Android Apps with RxKotlin and RxAndroid Build reactive architectures that reduce complexity throughout the development process and make your apps(web and Android) scalable Who This Book Is For This book is for Kotlin developers who would like to build fault-tolerant, scalable, and distributed systems. A basic knowledge of Kotlin is required, but no prior knowledge of reactive programming. What You Will Learn Learn about reactive programming paradigms and how reactive programming can improve your existing projects Gain in-depth knowledge in RxKotlin 2.0 and the ReactiveX Framework Use RxKotlin with Android Create your own custom operators in RxKotlin Use Spring Framework 5.0 with Kotlin Use the reactor-kotlin extension Build Rest APIs with Spring,Hibernate, and RxKotlin Use testSubscriber to test RxKotlin applications Use backpressure management and Flowables In Detail In today's app-driven era, when programs are asynchronous, and responsiveness is so vital, reactive programming can help you write code that's more reliable, easier to scale, and better-performing. Reactive programming is revolutionary. With this practical book, Kotlin developers will first learn how to view problems in the reactive way, and then build programs that leverage the best features of this exciting new programming paradigm. You will begin with the general concepts of Reactive programming and then gradually move on to working with asynchronous data streams. You will dive into advanced techniques such as manipulating time in data-flow, customizing operators and provider and how to Use the concurrency model to control asynchronicity of code and process event handlers effectively. You will then be introduced to functional reactive programming and will learn to apply FRP in practical use cases in Kotlin. This book will also take you one step forward by introducing you to spring 5 and spring boot 2 using Kotlin. By the end of the book, you will be able to build real-world applications with reactive user interfaces as well as you'll learn to implement reactive programming paradigms in Android. Style and Approach Loaded with numerous code examples and real-life projects, this book helps you delve into Reactive Programming with Kotlin, and apply it to real-world Spring-web and Android projects, thus making all your apps reactive.

Android Concurrency

Author : G. Blake Meike
ISBN : 9780134177601
Genre : Computers
File Size : 28. 55 MB
Format : PDF, ePub, Mobi
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Write Apps for Maximum Performance and Responsiveness “Threading and concurrency are as important in mobile as they are in large, distributed systems. This book does an excellent job of re-introducing us to the basic concepts and describing how to apply them to the Android framework. Even the most experienced Android developer should pick up at least a few tricks from these pages.” —Dave Smith, PE, Google Developer Expert for Android Mastering concurrency is critical to developing software with superior performance and responsiveness. This is especially true for Android, where interruptions are frequent and abrupt, and in order to be correct, programs must be aware of component and process lifecycles in addition to being thread safe. You need a deep, Android-specific understanding of concurrency—and Android Concurrency delivers it. This guide in Addison-Wesley’s Android Deep Dive series for experienced Android developers helps you leverage today’s multi-core processors and heavily cached architectures, as well as major improvements built into Android 5 (Lollipop). Top Android developer and consultant Blake Meike strips the magic and mystery from concurrent programming and presents intensely practical solutions for everything from inter-thread communication to network communication. Meike introduces a simple but powerful architectural framework you can use to address new issues whenever they arise, and offers expert guidance for debugging even highly complex concurrency issues. Android Concurrency combines in-depth knowledge, proven patterns and idioms, and world-class insights for avoiding performance-killing mistakes. For serious Android developers, it will be an indispensable resource. You will • Gain new clarity about what concurrency really is, and how concurrent processes work • Master best practices for writing concurrent code that’s more robust and less susceptible to weird, hard-to-diagnose errors • Review the Java concurrency mechanisms Android’s constructs are built upon • Shape an approach to concurrency that reflects the unique characteristics of the Android environment • Avoid widespread misconceptions that lead Android developers into trouble • Make the most of AsyncTask—but only when it’s the right tool for the job • Leverage the powerful, lightweight Looper/Handler framework to support scheduled, asynchronous tasks and execute many message types • Use the Android Service component to separate business logic from UI • Understand the differences between started and bound services and use them effectively for intra- and inter-process communication • Perform scheduled tasks, including tasks requiring polling and explicit scheduling • Track down problems via static analysis, annotations, and assertions

Android High Performance Programming

Author : Enrique Lopez Manas
ISBN : 9781785283383
Genre : Computers
File Size : 28. 17 MB
Format : PDF, Mobi
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Build fast and efficient Android apps that run as reliably as clockwork in a multi-device world About This Book Wide coverage of various topics that help in developing optimal applications Explore the concepts of Advanced Native Coding in depth A must-have for professional-standard Android developers for whom performance failures and the sloppy use of resources are simply unacceptable Who This Book Is For This book is aimed at developers with an advanced knowledge of Android and who want to test their skills and learn new techniques to increase the performance of their applications. We assume they are comfortable working with the entire Android SDK, and have been doing it for a few years. They need to be familiar with frameworks such as NDK to use native code, which is crucial for app performance What You Will Learn Create Android applications that squeeze the most from the limited resource capacity of devices Swap code that isn't performing Efficient memory management by identifying problems such as leaks Reap the benefits of multithreaded and asynchronous programming Maximize the security and encryption mechanisms natively provided by Android Perform efficient network operations and techniques to retrieve data from servers Master the NDK to write native code that can perform faster operations In Detail Performant applications are one of the key drivers of success in the mobile world. Users may abandon an app if it runs slowly. Learning how to build applications that balance speed and performance with functionality and UX can be a challenge; however, it's now more important than ever to get that balance right. Android High Performance will start you thinking about how to wring the most from any hardware your app is installed on, so you can increase your reach and engagement. The book begins by providing an introduction to state–of-the-art Android techniques and the importance of performance in an Android application. Then, we will explain the Android SDK tools regularly used to debug and profile Android applications. We will also learn about some advanced topics such as building layouts, multithreading, networking, and security. Battery life is one of the biggest bottlenecks in applications; and this book will show typical examples of code that exhausts battery life, how to prevent this, and how to measure battery consumption from an application in every kind of situation to ensure your apps don't drain more than they should. This book explains techniques for building optimized and efficient systems that do not drain the battery, cause memory leaks, or slow down with time. Style and approach The book follows a tutorial-based approach to take the reader from the basic fundamentals of debugging to advanced performance-improvement concepts.

Professional Android Programming With Mono For Android And Net C

Author : Wallace B. McClure
ISBN : 9781118235812
Genre : Computers
File Size : 60. 70 MB
Format : PDF, Kindle
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A one-of-a-kind book on Android application development with Mono for Android The wait is over! For the millions of .NET/C# developers who have been eagerly awaiting the book that will guide them through the white-hot field of Android application programming, this is the book. As the first guide to focus on Mono for Android, this must-have resource dives into writing applications against Mono with C# and compiling executables that run on the Android family of devices. Putting the proven Wrox Professional format into practice, the authors provide you with the knowledge you need to become a successful Android application developer without having to learn another programming language. You'll explore screen controls, UI development, tables and layouts, and MonoDevelop as you become adept at developing Android applications with Mono for Android. Answers the demand for a detailed book on the extraordinarily popular field of Android application development Strengthens your existing skills of writing applications and shows you how to transfer your talents to building Android apps with Mono for Android and .NET/C# Dives into working with data, REST, SOAP, XML, and JSON Discusses how to communicate with other applications, deploy apps, and even make money in the process Professional Android Programming with Mono for Android and .NET/C# gets you up and running with Android app development today.

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