Build fast, reliable web applications using the latest web development technologies. This book provides step-by-step learning through the process of transforming a "traditional" web app into a high-performing progressive web app, leveraging principles and lessons taught throughout the book. You will learn to improve the performance, reliability, reach, and user engagement of mobile web applications through the use of specific, practical examples. Because most non-trivial web applications developed today use JavaScript frameworks, you will learn about the most popular frameworks offering a PWA right out of the box, including React, Preact, Vue.js, Angular, and Ionic. You also will learn which tools to enlist to measure your application's performance, such as Google's Lighthouse. Beginning Progressive Web App Development includes best practices to make your app work even when an end user has a poor or no Internet connection, and to send notifications and reminders with the Notification and Push APIs to keep your users engaged. You will come away with an understanding of the technologies-application shells, server push technology, and caching-that will allow you to rapidly deliver content to your users. As important as it is to provide mobile users with a great experience, the principles of PWAs are not limited to smartphones. Most of what you will learn in this book is directly applicable to web applications on all screen sizes. What You'll Learn Achieve nearly instant loading times Implement service workers to make your app load faster and work while users are offline Keep users engaged with web notifications Measure the performance and reach of your web applications Transform your existing web app into a progressive web app Create a progressive web app from scratch Understand what building a truly fast web app entails with Google's PRPL pattern Who This Book Is For Web developers with prior JavaScript experience

'Android Tablets in Easy Steps' looks at the range of devices available and their specifications and functionality. It also gives a full rundown of the latest version of Android and how to use it on your tablet in terms of navigating around, performing all of your favourite tasks, getting online and turning your tablet into your own mobile entertainment centre.

Software Development/Mobile/Android/Wearable/Fitness Build "Wearable" Applications on the Android Wear and Google Fit Platforms This book covers wearable computing and wearable application development particularly for Android Wear (smartwatches) and Google Fit (fitness sensors). It provides relevant history, background and core concepts of wearable computing and ubiquitous computing, as a foundation for designing/developing applications for the Android Wear and Google Fit platforms. This book is intended for Android wearable enthusiasts, technologists and software developers. * Gain insight into wearables in the modern consumer ecosystem of a multitude of devices, ubiquitous computing, cloud computing and intelligent personal assistants * Learn the Android Wear and Google Fit APIs and jump-start hands-on development including: setting up an Android development environment suitable for Android Wear and Google Fit , setting up smartwatch and fitness devices for development and debugging , writing applications that install and execute on Android Wear (smartwatch) devices , and applications that run on your handheld Android devices and find and connect to fitness sensors and access fitness data, and more * Catch up with the new Android 5.0 Lollipop , Android Studio and the gradle based build system Learn how to write applications for smart watches and fitness sensors on the Android/Google ecosystem. Sanjay s tome provides a comprehensive and timely treatment of the essential points of current Wearable technology and Android Wearable development techniques. The easygoing and comprehensive examples make this book a joy to discover and a delight to peruse. Highly recommended! - Rudi Cilibrasi, Computer Scientist The text provides a rich and immersive overview of the field of Wearable computing that is solidified by the impressive set of examples. I was simultaneously entertained as well as educated, and would highly recommend this book to anyone that is looking to get started with Wearables. - Nathan Blair, Software Engineer & Entrepreneur Sanjay M. Mishra began programming in C on various flavors of Unix in the early 1990s. Over the years he has developed diverse software systems spanning web applications and services, messaging, VoIP, NoSQL databases, as well as mobile and embedded platforms. He has worked for companies such as Intertrust, Eyecon Technologies, CallSource, nVoc (formerly Sandcherry, Inc.) and the Starz Entertainment group.

This book offers a helpful starting point in the scattered, rich, and complex body of literature on Mobile Information Retrieval (Mobile IR), reviewing more than 200 papers in nine chapters. Highlighting the most interesting and influential contributions that have appeared in recent years, it particularly focuses on both user interaction and techniques for the perception and use of context, which, taken together, shape much of today's research on Mobile IR. The book starts by addressing the differences between IR and Mobile IR, while also reviewing the foundations of Mobile IR research. It then examines the different kinds of documents, users, and information needs that can be found in Mobile IR, and which set it apart from standard IR. Next, it discusses the two important issues of user interfaces and context-awareness. In closing, it covers issues related to the evaluation of Mobile IR applications. Overall, the book offers a valuable tool, helping new and veteran researchers alike to navigate this exciting and highly dynamic area of research.

Put into motion practical examples to master Test-Driven Development (TDD) and acceptance testing in Swift. This book uses a pragmatic approach to writing well-tested code and provides techniques that can be used to retrofit tests to legacy code bases. You'll be introduced to basic principles of TDD, such as Test First, Red-Green-Refactor, Remove Duplicate code, Dependency Injection, and Single Responsibility. Approaches covered include TDD, behavior-driven development (BDD), UI, and acceptance testing with common standard/open source frameworks. iOS Code Testing offers helpful instruction to teach iOS developers to retrospectively fit tests to legacy code, refactor legacy code so as to make the code more testable, install and configure a popular Swift BDD framework, practice BDD with Xcode, and create automated UI tests with Xcode. Additionally, many projects have legacy code bases. Legacy code is often seen as a blocker when it comes to implementing any kind of testing. What You Will Learn Fit test to legacy code retrospectively Install and configure popular Swift BDD frameworks Practice BDD with Xcode Who This Book Is For Software practitioners, such as Swift developers and mobile app testers.

This book introduces readers to the tools needed to protect IT resources and communicate with security specialists when there is a security problem. The book covers a wide range of security topics including Cryptographic Technologies, Network Security, Security Management, Information Assurance, Security Applications, Computer Security, Hardware Security, and Biometrics and Forensics. It introduces the concepts, techniques, methods, approaches, and trends needed by security specialists to improve their security skills and capabilities. Further, it provides a glimpse into future directions where security techniques, policies, applications, and theories are headed. The book represents a collection of carefully selected and reviewed chapters written by diverse security experts in the listed fields and edited by prominent security researchers. Complementary slides are available for download on the book's website at Springer.com.

This book constitutes the best paper selection from the First Workshop, WoCCES 2013, held in Brasilia, Brazil, in May 2013, the Second Workshop, WoCCES 2014, held in Florianopolis, Brazil, in May 2014, the Third Workshop, WoCCES 2015, held in Vitoria, Brazil, in May 2015, and the 4th Workshop, WoCCES 2016, held in Salvador, Brazil, in June 2016. The 7 revised full papers were carefully reviewed and selected from 41 submissions. The papers focus on important innovations and recent advances in the specification, design, construction and use of communication in critical embedded systems.

This book presents the proceedings of the 6th International Conference on Frontiers of Intelligent Computing: Theory and Applications (FICTA 2017), held in Bhubaneswar, Odisha. The event brought together researchers, scientists, engineers, and practitioners to exchange their new ideas and experiences in the domain of intelligent computing theories with prospective applications to various engineering disciplines. The book is divided into two volumes: Information and Decision Sciences, and Intelligent Engineering Informatics. This volume covers broad areas of Intelligent Engineering Informatics, with papers exploring both the theoretical and practical aspects of various areas like ANN and genetic algorithms, human-computer interaction, intelligent control optimisation, intelligent e-learning systems, machine learning, mobile computing, multi-agent systems, etc. The book also offers a valuable resource for students at the post-graduate level in various engineering disciplines.

This is the first book to describe the Microsoft HoloLens wearable augmented reality device and provide step-by-step instructions on how developers can use the HoloLens SDK to create Windows 10 applications that merge holographic virtual reality with the wearer's actual environment. Best-selling author Allen G. Taylor explains how to develop and deliver HoloLens applications via Microsoft's ecosystem for third party apps. Readers will also learn how HoloLens differs from other virtual and augmented reality devices and how to create compelling applications to fully utilize its capabilities. What You Will Learn: The features and capabilities of HoloLens How to build a simple Windows 10 app optimized for HoloLens The tools and resources contained in the HoloLens SDK How to build several HoloLens apps, using the SDK tools

Discover more than 100 down-to-earth code recipes, covering a wide range of useful topics using complete and real-world working code examples. This book is updated to include the Android N SDK (7.0), as well as earlier releases. Crammed with insightful instruction and helpful examples, this fifth edition of Android Recipes is your guide to writing apps for one of today's hottest mobile platforms. It offers pragmatic advice that will help you get the job done quickly and well. This can save you a great deal of work over creating a project from scratch. Instead of abstract descriptions of complex concepts, in Android Recipes you'll find live code examples. When you start a new project you can consider copying and pasting the code and configuration files from this book and then modifying them for your own customization needs. What You'll Learn Code for Android smartphones and tablets Use external libraries to save time and effort Boost app performance by using the Android NDK and RenderScript Design apps for performance, responsiveness, and seamlessness Send data between devices and other external hardware Persist application data and share it between applications Capture and play back various device media items Communicate with web services Get the most out of your user interface Who This Book Is For All Android app developers.

In arenas ranging from enterprise development to Android app programming, Java remains one of the world's most popular programming languages. Sams Teach Yourself Java in 21 Days helps the serious learner gain true mastery over the new Java 9.

In this book's straightforward, step-by-step approach, each lesson builds on everything that's come before, helping readers learn Java's core features and techniques from the ground up.

Friendly, accessible, and conversational, this book offers a practical grounding in the language, without ever becoming overwhelming or intimidating.

Week 1 introduces the basic building blocks of the Java programming language: keywords, operators, class and object definitions, packages, interfaces, exceptions, and threads.

Week 2 covers the Swing graphical user interface class libraries and the important classes that support data structures, string handling, dates and times.

Week 3 ventures into the hottest areas of Java programming: web services, Java servlets, network programming, database programming and Android development.

Learn how to build a game using Platino Studio. Follow step-by-step basics to create an app, and then add different functionalities and game logic. With Beginning Platino Game Engine you will be able to develop UWP apps using the Processing JS language. You also will be introduced to Temboo and extending the processing language to IoT. What You'll Learn: Develop using the Platino game engine Build UWP apps using the Processing JS language Extend the processing language to IoT with Temboo Who Is this Book for: Indie game developers, app developers interested in games, and students new to the Platino game engine and perhaps new to game development.

The essential beginner's guide to the UK's most popular new tablet Hudl For Dummies is the indispensible guide to Tesco's highly successful Android tablet. With hands-on instruction tailored to the entry-level user, this book provides expert guidance in clear, concise language to help you get the most out of this great new device. Seasoned technology author Rosie Hattersley walks you through each step, from opening the box to setting up e-mail, accessing Blinkbox, shopping online and more. Even if you're a newcomer to tablet technology, this book will have you up and running in a flash! By utilizing groundbreaking technology, it's no wonder analysts expect the Hudl to become the UK's leading tablet. While the device itself is intuitive, the Hudl's infinite possibilities can be a bit of a mystery to new users. Hudl For Dummies is the definitive guide to the device, helping you access the full capabilities of your new tablet. * Gain a complete understanding of how to get up and running with the Tesco Hudl * Download and launch apps with your new tablet to make it a workhorse or an entertainment system * Discover how to access the Internet, e-mail, films, music and books * Shop online with your new device and find out how to buy Hudl accessories An entire chapter on troubleshooting allows you to bypass the repair shop for minor issues, and gives you the confidence to adjust settings and preferences without the worry of messing something up. Whether you're transitioning to the Hudl from another tablet, or are new to tablets entirely, Hudl For Dummies will take you from a new user to full-fledged Hudl devotee.

Explore key scenarios required for building quality Ionic apps quickly and easily and bring them to the iOS and Android mobile ecosystem. Learn Ionic 2 explains various techniques to quickly integrate third-party back end systems. With this short guide, you'll benefit from practical examples of implementing authentication and authorization, connecting to social media, integrating with payment gateway, and analytics integration. This book presents solutions to the challenges faced during the development process of these tasks. Validation is essential to the survival and eventual success of any startup. You validate your business idea by placing a product in the hands of your customers and getting them to interact with it. The Ionic framework makes this possible. What You'll Learn: Master end-to-end hybrid application development Create user management modules including signup, login, and forgotten passwords Use analytics to evaluate an application using Ionic Framework Who This Book Is For: Tech entrepreneurs and businessmen with ideas

Learn the HomeKit platform structure and how it supports devices-existing and planned-and get a thorough grounding on new and useful apps that deliver a new generation of home automation in a secure and innovative environment. Let your imagination run wild as you design compatible devices with unlimited capabilities. Learn Apple HomeKit on iOS shows you how to move to secure, home automation projects that integrate with your digital world automatically-after you set them up as described in the book. Having your calendar and appointments control your lights, locks, thermostat, and other home devices is the heart of home automation. In homes and small offices, you can banish notes taped to switches and controls that say, "Do not turn off this switch" or "Leave the thermostat alone." The book gets you up to speed on HomeKit, and it also answers some of the pesky questions, such as "What happens when the power goes out?" Along the way there are tips and suggestions for app developers, hardware manufacturers, interior designers, and real estate professionals. For programmers, there's an entire chapter (plus sections in other chapters) dedicated to the core coding issues. For non-programmers, this book is the perfect resource mastering the amazing potential of Apple HomeKit. What You Will Learn: For device developers, understanding the structure of HomeKit-homes, rooms, and accessories-enables you to build devices that are easily managed by a single, simple source and interface. For DIY home networking users, gain a thorough knowledge of how they can adapt HomeKit to their existing spaces. For programmers, there's an entire chapter plus sections in other chapters dedicated to the core coding issues you'll need to learn. For non-programmers, this book is your perfect resource for easily getting your mind around the amazing potential of Apple HomeKit. Author Jesse Feiler develops, consults, and writes about Apple technologies with an emphasis on mobile and location-based apps. Who This Book Is For: Device developers, DIY home networking users, programmers, and those interested in integrating their iOS devices with their IoT devices.

Take a firsthand tour of Xcode and all the latest features Swift 3 has to offer. If you have picked up this book, chances are you know a little bit about Swift Programming. With Practical Swift you'll develop an advanced understanding of the language that will enable you to create a reference guide using Xcode Playgrounds, one you can continue to grow throughout your iOS career. This book not only shows you how to code in a clean and concise manner, but also the why behind the code. Understanding why will be instrumental in your advancement as a Swift developer. What You'll learn: Review the evolution of Swift and the latest features in Swift 3 Study architecture and design patterns Examine Protocol Oriented Programming Understand Swift generics Test Swift code Build an iOS App with core data from scratch Who This Book Is For: The primary audience for this book is developers who have started learning iOS and Swift and want to learn more of the intermediate to advanced topics available in Swift. The secondary audience is developers who have experience in iOS and Swift and want a good reference book for concepts they might already know, but are looking to re-enforce.

Design and build custom hardware interfaces for the Raspberry Pi and discover low cost display and sensor options for embedded system projects. With this book you'll master 12C communications using Raspbian Linux in C++ and perform ADC and DAC experiments. You'll experiment with debounce buttons and switches using hardware and software solutions. Develop flywheel rotary encoder effects for ease of tuning and construct a hardware interface to the Music Playing Daemon (MPD) with developed software. Discover how to add your own hardware keypad for remote combination lock applications. Custom Raspberry Pi Interfaces offers a thorough chapter on interfacing 5-volt systems to 3.3-volt Raspberry Pis designed to expand your choice of peripheral options. Ready to go C++ programs involving GPIO and I2C peripherals are provided. This book also explores ADC, DAC, rotary encoders, CMOS shift registers. I2C I/O extenders. What you'll learn: Build simple, low cost input/output interfaces including rotary encoders Interface with 5-volt devices from a 3-volt Raspberry Pi system Apply analog to digital and digital to analog conversions on the Pi Read potentiometers (volume control) from the Pi Determine step, directions, and velocity of a rotary encoder Perform remote interfacing using the I2 PCF8574 chip Work with external CMOS devices like the 74HC595 (in C++) Who this book is for: Students and hobbyists interested in building custom interfaces for their Raspberry Pis.

iOS Programming: The Big Nerd Ranch Guide leads you through the essential concepts, tools, and techniques for developing iOS applications. After completing this book, you will have the know-how and the confidence you need to tackle iOS projects of your own. Based on Big Nerd Ranch's popular iOS training and its well-tested materials and methodology, this bestselling guide teaches iOS concepts and coding in tandem. The result is instruction that is relevant and useful. Throughout the book, the authors explain what's important and share their insights into the larger context of the iOS platform. You get a real understanding of how iOS development works, the many features that are available, and when and where to apply what you've learned.

Table views and collection views are the bread and butter of iOS apps. With them, you can create everything from the simplest of lists to fully tricked-out user interfaces. Pro iOS Table and Collection Views with Swift covers table views and collection views on all sizes of iOS devices, including the new Apple Watch.

iOS eCommerce App Development with Parse uses a real-world app example to teach you how to build a complete eCommerce iPhone app powered by Parse - the most popular and powerful Platform As A Service (BaaS) provider. In this comprehensive guide you will learn every step: collecting requirements, architecting the app, designing the visual interface, creating the data model, managing products and the shopping cart, processing the payment, and fulfilling the order - always with secure best practice in mind. You will also learn how to manage user account creation, login with Facebook and Twitter, verify users via email, pay with Stripe and Apple Pay, send email with Mailgun, and manage customer payment methods and order history. Intermediate knowledge of iOS development and object-oriented programming is assumed, and basic knowledge of e-commerce principles will be of benefit too. The author is a successful iPhone app developer whose real-world experience is now brought to print. Master iOS eCommerce app development with Parse using this book today.

This book is a brief primer covering concepts central to digital imagery, digital audio and digital illustration using open source software packages such as GIMP, Audacity and Inkscape. These are used for this book because they are free for commercial use. The book builds on the foundational concepts of raster, vector and waves (audio), and gets more advanced as chapters progress, covering what new media assets are best for use with Android Studio as well as key factors regarding the data footprint optimization work process and why it is important. What You Will Learn* What are the primary genres of new media content production* What new media assets Android Studio supports* What are the concepts behind new media content production* How to Install and use GIMP, Inkscape, and Audacity software* How to integrate that software with Android Studio, fast becoming the most popular IDE for Android apps design and development Audience Primary audience includes Android developers, especially game designers/developers and others who need access to multimedia elements. Secondary: multimedia producers, RIA developers, game designers, UI designers, and teachers.

This concise book walks you through how to get unit testing and test driven development done on Android, specifically using JUnit 4. You'll learn how to do agile development quickly and correctly, with a significant increase in development efficiency and a reduction in the number of defects. Agile practices have made major inroads in Java development, however it's very unusual to see something as basic as unit testing on an Android project. Done correctly, Agile development results in a significant increase in development efficiency and a reduction in the number of defects. Google have finally moved away from JUnit 3 and the developer can now do the more commonly accepted JUnit 4 tests in Android Studio. Up until now getting JUnit testing up and running in Android was not for the "faint hearted." However, "now it's in Android Studio, there is no excuse," according to the author Godrey Nolan, president of RIIS LLC. Android developers are faced with their own set of problems such as tightly coupled code, fragmentation, immature testing tools all of which can be solved using existing Agile tools and techniques that this short book will teach you. What You'll Learn: What are the primary agile learning objectives applicable to Android What are the key Android unit testing tools and how to use themWhat is mock testing and the mock testing learning objectives and how to apply these to your Android apps How to use dependency injection How to apply test driven development to Android How to deal with legacy code, a big issue with regards to Android Audience: This book is for experienced Android app developers looking for an edge to build better and more agile Android apps. Some experience with Java also helpful.

Whether you're just getting started with your Droid X2, or want to dig deeper into all the amazing things it can do, this book's got you covered. Learn how to get online, shop, keep in touch, take and share photos, enjoy streaming music and video, and much more. Packed with illustrations, this engaging book helps you with everything from setup to troubleshooting, with lots of expert tips and tricks along the way. * Get organized. Import your contacts and sync with Google Calendar and Microsoft Exchange. * Go online. Get your phone to act as a portable hotspot or as a modem to get your laptop online. * Play music. Purchase music from Amazon and sync your Droid X with Windows Media Player and iTunes. * Shoot photos and video. Edit and share your photos, and use them as desktop or icon images; record video and share it with your friends. * Connect to Google Maps. Use geotagging and get turn-by-turn directions.

App Development Recipes for iOS and watchOS explores the technical side of app development with tips and tricks to avoid those little things that become big frustrations, outside of the realm of development, causing many people to throw up their hands and say "It's just not worth the hassle!" The experiential nature of this work sets it apart from other iOS and watchOS books. Even if you are a developer who is completely new to Swift, iOS or watchOS, you'll find the right experienced-based answers to important questions like "Why do I need version control?", "Why is testing so important?" and more specific problems directly related to iOS and watchOS development with Swift. We discover and summarize the most common problems and derive the solutions; not just a short answer and screenshot, but a systematic, logical derivation, that is, how we got to the solution. After the introductory basics, each chapter delivers a problem statement and a solution. The experienced developer may, without losing anything, skip to whatever problem with which they are currently dealing. At the same time, we guide the less experienced developer through the process with focus on solving problems along the way. What you will learn: iOS career options for the new developer Working with Source Code and Version Control How to work with iOS accessory devices Understanding development methodologies such as Agile/Scrum User Experience Development and UI Tools Unit, UI, and Beta Testing Publishing your work Who this book is for:Developers who need to find specific solutions to common problems in developing apps for iOS and watchOS.

Learn WatchKit for iOS covers the development of applications for the new Apple Watch using the WatchKit framework in iOS 8 and the Swift programming language. In this book, an Apple Watch application is an extension to an existing iOS app and is packaged and submitted to the App Store along with it. Using a suite of simple examples, Kim Topley, co-author of Beginning iPhone Development with Swift, introduces and explains every feature of WatchKit and the associated technologies that you'll need to understand to build Apple Watch applications for iOS 8, culminating in a complete WatchKit application that shows weather forecast information for various cities around the world on the Apple Watch.