SummaryUsability Matters: Mobile-first UX for developers and other accidental designers gives you practical advice and guidance on how to create attractive, elegant, and useful user interfaces for native and web-based mobile apps. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.About the TechnologyJust because a mobile app works doesn't mean real people are going to like it. Usability matters Most mobile developers wind up being part-time designers, and mastering a few core principles of mobile UI can make the difference between app and crap. About the BookUsability Matters is a guide for developers wrestling with the subtle art of mobile design. With each expertly presented example, app developer and designer Matt Lacey provides easy-to-implement techniques that instantly boost your design IQ. Skipping highbrow design theory, he addresses topics like gracefully handling network dropouts and creating intuitive data inputs. Read this book and your apps will look better, your users will be happier, and you might even get some high-fives at the next design review. What's InsideUnderstanding your users Optimizing input and output Creating fast, responsive experiences Coping with poor network conditions Managing power and resources About the ReaderThis book is for mobile developers working on native or web-based apps. About the AuthorMatt Lacey is an independent mobile developer and consultant and a Microsoft MVP. He's built, advised on, and contributed to apps for social networks, film and TV broadcasters, travel companies, banks and financial institutions, sports companies, news organizations, music-streaming services, device manufacturers, and electronics retailers. These apps have an installed base of more than 500,000,000 users and are used every day around the world.Matt previously worked at a broad range of companies, doing many types of development. He has worked at startups, small ISVs, national enterprises, and global consultancies, and written software for servers, desktops, devices, and industrial hardware in more languages than he can remember. He lives in the UK with his wife and two children. Table of Contents IntroductionPart 1 - ContextWho's using the app?Where and when is the app used?What device is the app running on?Part 2- InputHow people interact with the appUser-entered dataData not from a userPart 3 - OutputDisplaying items in the appNon-visible outputPart 4 - ResponsivenessUnderstanding the perception of timeMaking your app start fastMaking your app run fastPart 5 - ConnectivityCoping with varying network conditionsManaging power and resources


Matt Lacey has been creating apps for mobile devices since 2001. He is currently working as an independent mobile development consultant, helping companies of all sizes with strategy, planning and implementation of mobile development solutions. Matt is a community leader and Microsoft MVP who organizes user group meetings to help people learn to create better apps.