By Jason Morris
"Quickly layout and boost compelling person interfaces on your Android purposes Leverage the Android systems flexibility and gear to layout impactful user-interfaces construct compelling, undemanding functions that might glance nice on any Android machine Make your software stick out from the remaining with types and issues a pragmatic rookies consultant to take you step by step throughout the technique of constructing person interfaces to get your purposes noticed!In DetailThere are over 30,000 purposes for Android which were downloaded over one million occasions already. What makes yours any various? development a compelling user-interface that folks comprehend and revel in is key for the survival of a brand new software in an atmosphere the place appear and feel could be the simply factor among a consumer paying for your software; or deleting it forever.Working via examples, code-snippets, and screenshots this publication introduces the basics of excellent user-interface layout from a builders viewpoint. This e-book will positioned you above the remainder via exhibiting you ways to construct outstanding person interfaces to know your app clients recognition sufficient to cause them to shell out a few greenbacks to shop for your application.The Android person Interface improvement newcomers advisor will let you know every little thing you want to comprehend to variety your purposes from backside up. Given the significance of user-interface layout on a touch-screen equipment, this ebook goals to equip its reader with the information required to construct killer Android purposes. beginning easily, and conserving issues effortless, this e-book will take you on a step by step trip to figuring out the principals of excellent user-interface layout, and the way to enforce the simplest person interfaces on an Android cellular machine. It goals at construction layout figuring out on a chapter-by-chapter foundation, whereas introducing platform wisdom via examples.A useful definitive consultant for builders who are looking to layout and strengthen appealing Android user-interfaces What you'll study from this bookDesign ordinary interfaces that help quickly and straightforward entry to details discover and enforce a number of layouts in Android to layout person interfaces for the several reveal sizes and densities determine a constant user-interface event and enhance your software functionality via reusing your program elements layout easy-on-the-eye subject matters to your Android functions show and choose complicated facts buildings from functions corresponding to an address-book or calendar program by utilizing Android widgets Entertain your program clients via animating visible queues of what the appliance is presently doing, and what impression their activities are having customise the integrated sessions in Android to reinforce the consumer interface via growing tabs and galleries Leverage Androids source loading method learn the way most sensible to give your person with info; or seize info from them paintings via examples that includes all significant Android widgets, and a few of the more odd componentsApproachThis is a step by step consultant that goals to provide even a beginner Android developer an outstanding snatch of user-interface layout, whereas operating via examples, diagrams, and screenshots to exhibit a few of the widgets and instruments that the platform makes on hand. Who this booklet is written forIf you've gotten a bit adventure in Java and need to construct purposes for the Android telephones, then this e-book is for you. This booklet also will assist you should you have already got purposes at the Android platform and wish to realize extra wisdom of user-interface layout. it is going to attract the entire following readers:Junior Android builders MIDP builders seeking to expand their skill-set iPhone builders eager to port purposes Entrepreneurial Android builders desirous to widen their consumer base "
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Extra resources for Android User Interface Development: Beginners Guide
We could have used RadioButton objects instead, but then the user would have needed to select an option, and then touch a Next Question button, requiring two touches. We could also have used a List (which interacts nicely with the fact that it needs to be dynamically populated), however, a List doesn't indicate an "action" to the user quite the way a Button does. When coding layouts, be careful with the measurement units that you use. It's strongly recommend that you stick to using sp for most purposes—if you can't use one of the special fill_parent or wrap_content values.
Add a CSS attribute: style="font-weight: bold". d. Use the android:textStyle attribute. 3. What would happen if we changed the LinearLayout from vertical orientation, to horizontal? a. The layout would turn on its side. b. All of the widgets would be squashed together on the screen. c. Only the question TextView would be visible on the screen. d. The question, and possibly some other View objects may be visible on the screen depending on the number of pixels available. e. The layout would overflow, causing the widgets to appear next to each other, over several lines.
These widgets form the basis of data-driven applications such as an address book or a calendar application. [ 36 ] 2 Presenting Data for Views In the first chapter we covered the basic creation of a project, and how to put together a simple user interface. We backed our first Activity with enough code to dynamically generate some buttons that the user can use to answer our multiple-choice questions. So now we can capture some data, but what about displaying data? One large advantage of software is its ability to present and filter very large volumes of data quickly and in an easy-to-read format.
Android User Interface Development: Beginners Guide by Jason Morris