By Jason Morris
"Quickly layout and advance compelling person interfaces in your Android functions Leverage the Android structures flexibility and gear to layout impactful user-interfaces construct compelling, hassle-free purposes that might glance nice on any Android gadget Make your program stand proud of the remainder with kinds and topics a pragmatic rookies advisor to take you step by step during the technique of constructing consumer interfaces to get your functions 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 individuals comprehend and revel in is key for the survival of a brand new program in an atmosphere the place feel and appear could be the simply factor among a person procuring your program; or deleting it forever.Working via examples, code-snippets, and screenshots this booklet introduces the basics of fine user-interface layout from a builders perspective. This booklet will placed you above the remaining by means of exhibiting you ways to construct amazing person interfaces to understand your app clients cognizance sufficient to lead them to shell out a few dollars to shop for your application.The Android consumer Interface improvement newbies consultant will inform you every little thing you must understand to sort your functions from backside up. Given the significance of user-interface layout on a touch-screen gadget, this publication goals to equip its reader with the data required to construct killer Android functions. beginning easily, and protecting issues effortless, this e-book will take you on a step by step trip to knowing the principals of excellent user-interface layout, and the way to enforce the easiest consumer interfaces on an Android cellular equipment. It goals at development layout figuring out on a chapter-by-chapter foundation, whereas introducing platform wisdom via examples.A functional definitive advisor for builders who are looking to layout and enhance beautiful Android user-interfaces What you'll research from this bookDesign ordinary interfaces that help fast and straightforward entry to details discover and enforce a number of layouts in Android to layout person interfaces for different reveal sizes and densities ascertain a constant user-interface event and increase your software functionality through reusing your software parts layout easy-on-the-eye issues on your Android purposes show and choose advanced information constructions from functions resembling an address-book or calendar program through the use of Android widgets Entertain your program clients by way of animating visible queues of what the applying is at present doing, and what impression their activities are having customise the integrated sessions in Android to reinforce the person interface through developing tabs and galleries Leverage Androids source loading procedure find out how most sensible to offer your consumer 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 offer even a beginner Android developer an outstanding clutch of user-interface layout, whereas operating via examples, diagrams, and screenshots to exhibit many of the widgets and instruments that the platform makes on hand. Who this booklet is written forIf you might have a bit event in Java and need to construct functions for the Android telephones, then this publication is for you. This publication also will assist you for those who have already got purposes at the Android platform and wish to achieve extra wisdom of user-interface layout. it is going to entice the entire following readers:Junior Android builders MIDP builders trying to increase their skill-set iPhone builders desirous to port functions Entrepreneurial Android builders desirous to widen their person base "
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Additional info for Android User Interface Development: Beginners Guide
AddFooterView(footer, null, false); The ListView class integrates headers and footers so tightly into the list structure that you can also provide an Object that it will return from the AdapterView. getItemAtPosition(index) method. In our previous example we have provided null. Each header item will offset the index of subsequent views by one (as though you are adding new items to the ListView). The third parameter tells the ListView whether the header or footer should be counted as a selectable list item (in our previous example it shouldn't).
How would we make the text of the Next Question button bold? a. Use the android:typeface attribute. b. Create a custom Button implementation. c. 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.
38 ] Chapter 2 Single selection mode – CHOICE_MODE_SINGLE In this mode, the ListView acts more like a desktop List widget. It has the notion of the current selection, and tapping on a list item does nothing more than selecting it. This behavior is nice for things like configuration or settings, where the user expects the application to remember his or her current selection. Another place a single selection list becomes useful is when there are other interactive widgets on the screen. However, be careful not to put too much information in a single Activity.
Android User Interface Development: Beginners Guide by Jason Morris