Android 3.0 Animations: Beginner's Guide by Alex Shaw

By Alex Shaw

Convey your Android purposes to existence with gorgeous animations. the 1st and purely ebook devoted to developing animations for Android apps. Covers the entire everyday animation thoughts for Android 3.0 and reduce types. Create lovely animations to provide your Android apps a enjoyable and intuitive person event. A step by step consultant for studying animation by means of development enjoyable instance functions and video games. intimately An relaxing, comprehensible, and crowd pleasing consumer interface is a key a part of getting clients to like your app. clients this day anticipate a sophisticated multimedia adventure on their cellular machine, and animation is a middle a part of that. The Android working process is on the leading edge of pill and telephone know-how, and there's a plethora of possibilities for constructing fascinating functions with animation. Android 3.0 Animations Beginner's consultant will introduce all of the hottest animation suggestions to you. utilizing step by step directions, you are going to tips on how to create interactive dynamic kinds, relocating pix, and 3D movement. you may be taken on a trip from basic cease movement animations and fades, via to relocating enter kinds, then directly to 3D movement and online game photos. during this e-book, you'll create standalone lively portraits, third-dimensional lifts, fades, and spins. you are going to turn into adept at relocating and remodeling shape information to convey dull outdated enter kinds and screens to existence. find out how online game programmers create speedy animations at the fly, and additionally construct stay wallpapers to enliven your clients home-screens! when you are uninterested in writing useless interfaces and need so as to add a few lively pleasure, this can be the e-book for you! A step-by step advisor for growing, checking out, and utilizing beautiful animations for android functions and video games. What you are going to research from this ebook Create lively snap shots from a collection of nonetheless pictures Fade among graphical components flow, distort, and customarily fiddle with elements of your consumer interface Create incredible 3D movement with a number of easy ideas Strip again the Android consumer interface to create quick lively photos at the fly adventure awesome effects by way of altering your animation's rhythm Create a dwell wallpaper to carry movement for your home-screen layout your animations to appear nice and paintings good on varied Android units technique Written in Packt's Beginner's advisor sequence, this booklet takes a step by step technique with every one bankruptcy made from 3 to 5 tutorials that introduce and clarify diverse animation thoughts. All options are defined with real-world examples which are enjoyable to learn and paintings with. Who this booklet is written for while you're accustomed to constructing Android purposes and wish to convey your apps to lifestyles through including smashing animations, then this booklet is for you. The publication assumes that you're pleased with Java improvement and feature familiarity with growing Android perspectives in XML and Java. The tutorials suppose that you will need to paintings with Eclipse, yet you could paintings simply besides together with your hottest improvement instruments.

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Let's start where we wrote We'll fill this in in a minute. We want to add three new lines of code to this method. I'll explain each one as we go along. getDrawable(int id) (a method of [ 46 ] Chapter 2 the Context class) to get our animated Drawable, showing the stick figure dancing to the left. setImageDrawable(Drawable d) sets the animation as the active Drawable in our application's ImageView, replacing whatever animation is currently on the screen. start(); Finally, we start the playing the animation here.

Android:duration Specifies how long to show this item for. The value is given as an integer number in terms of milliseconds. [ 39 ] Frame Animations Timing Of course, in addition to determinig which image to show next, the tags also determine how long the image is shown, in milliseconds. Traditionally, movies are shown at 24 frames per second, because at that speed, most people cannot see any flickering or visual glitches. On a mobile device, you can get away with far fewer frames - around, around 12 frames per second still looks nice and smooth.

You would use… a. An animator b. An interpolator c. A frame animation 4. Which of the following animates views moving from one place to another? a. An animator b. A slider c. A tween 5. In the counting calculator, which of these animations is least likely to use a tween? a. The bouncing balls b. The equation display c. The keypad [ 18 ] Chapter 1 Beyond views: high-speed animating in 2 dimensions This is where things get really exciting! Sometimes you want to draw things to a screen and have full control over how they're drawn.

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