By Ian G. Clifton
Construct Android Apps which are Stunningly beautiful, sensible, and Intuitive In today’s crowded Android industry, it’s extra very important than ever to tell apart your apps. nice layout is how one can do this. Now, prime Android app layout specialist Ian G. Clifton indicates you the way to make your apps come alive and the way to bring apps that clients will wish, love, and purchase! Reflecting the Android 4.2 SDK, this ebook serves either as an instructional for the complete layout and implementation strategy and as a convenient reference you’ll depend on for each Android improvement venture. Clifton indicates the right way to create potent designs, get them organized into Android elements, and stream gracefully from thought, to wireframe, to comp, to entire app. You’ll how you can deliver your personal voice, character, and magnificence in your app designs the best way to leverage complex drawing thoughts comparable to PorterDuff compositing find out how to try out designs on various Android units and masses extra. Android consumer Interface layout information every one step of the layout and improvement strategy and includes wide downloadable pattern code, together with entire accomplished apps. find out how Android has advanced to aid extraordinary app layout combine app layout with improvement, from concept via deployment comprehend perspectives, the construction blocks of Android consumer interfaces utilize wireframes and prototypes construct effective layouts and combine tender animations Make apps extra valuable by way of instantly updating ListViews mix perspectives into customized parts Use photo compositing and different complex concepts paintings with the canvas and complicated drawing Leverage Google Play and Amazon Appstore resources One step at a time, this advisor is helping you bridge the distance among Android builders and architects so that you can paintings with colleagues to create world-class app designs...or do it your self!
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Extra info for Android User Interface Design Turning Ideas and Sketches into Beautifully Designed Apps
All of these drawables can be used as the background for views, so they give you a fair amount of control over the display of graphical content for your apps. ImageView ImageView is the primary class used for displaying images. It supports automatic scaling and even setting custom tinting, for instance. Keep in mind that an ImageView can also have a background, so you can actually stack images with this one view type. Fortunately, this class has far fewer attributes to consider than TextView. The most obvious attribute of ImageView is src, which defines the source of the image to display.
RatingBar—This view represents your typical “four out of five stars” visual rating indicator, but it is configurable to allow for fractions, different images, and more. SeekBar—This view is your typical seek bar that has a “thumb” the user can drag to select a value along the bar. Spinner—This view is commonly called a drop-down or drop-down menu (it’s also referred to as a combo box or a picker view). It shows the current option but, when selected, shows the other available options. Switch—This view is basically a toggle switch, but the user can tap it or drag the thumb.
Best practices go a long way toward making your app usable on devices that you might not have even considered. For example, including a focused state for all of your UI elements allows you to remove the dependency on having a touch screen. That means your app will be usable on Google TV (though you will want to provide a specific set of layouts for that platform), and it will also be more usable for people with impairments who find that a means of navigation other than the touchscreen works better.