Android 3.0 Animations: Beginner’s Guide by Alex Shaw

By Alex Shaw

carry your Android purposes to existence with beautiful animations.

  • The first and purely publication devoted to growing animations for Android apps.
  • Covers the entire popular animation concepts for Android 3.0 and decrease versions.
  • Create wonderful animations to offer your Android apps a enjoyable and intuitive person experience.
  • A step by step consultant for studying animation through development enjoyable instance functions and games.

In Detail

An stress-free, comprehensible, and crowd pleasing consumer interface is a key a part of getting clients to like your app. clients at the present time count on a elegant multimedia event on their cellular machine, and animation is a center a part of that. The Android working procedure is on the leading edge of capsule and telephone know-how, and there's a plethora of possibilities for constructing intriguing purposes with animation.

Android 3.0 Animations Beginner's advisor will introduce all of the preferred animation strategies to you. utilizing step by step directions, you are going to find out how to create interactive dynamic varieties, relocating snap shots, and 3D motion.

You should be taken on a trip from basic cease movement animations and fades, via to relocating enter varieties, then directly to 3D movement and online game graphics.

In this booklet, you'll create standalone lively snap shots, 3-dimensional lifts, fades, and spins. you'll develop into adept at relocating and reworking shape facts to deliver uninteresting previous enter varieties and monitors to lifestyles. learn the way online game programmers create quick animations at the fly, and in addition construct stay wallpapers to enliven your clients’ home-screens!

If you're 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 developing, checking out, and utilizing lovely animations for android purposes and games.

What you'll study from this book

  • Create lively pics from a collection of nonetheless images
  • Fade among graphical elements
  • Move, distort, and usually fiddle with elements of your consumer interface
  • Create awesome 3D movement with a number of uncomplicated principles
  • Strip again the Android consumer interface to create speedy lively images at the fly
  • Experience impressive effects by means of altering your animation's rhythm
  • Create a stay wallpaper to convey movement in your home-screen
  • Design your animations to appear nice and paintings good on diverse Android devices

Approach

Written in Packt's Beginner's consultant sequence, this booklet takes a step by step procedure with each one bankruptcy made of 3 to 5 tutorials that introduce and clarify various animation recommendations. All thoughts are defined with real-world examples which are enjoyable to learn and paintings with.

Who this booklet is written for

If you're conversant in constructing Android purposes and wish to deliver your apps to lifestyles by way of including smashing animations, then this publication is for you. The ebook assumes that you're happy with Java improvement and feature familiarity with growing Android perspectives in XML and Java. The tutorials think that you'll want to paintings with Eclipse, yet you could paintings simply besides together with your most well liked improvement tools.

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Extra info for Android 3.0 Animations: Beginner’s Guide

Sample text

1. Create a new Android project in Eclipse. I will describe this particular example in Eclipse, because it provides easy access to the Java debugger. However, you can substitute your preferred development tool, if you are comfortable with using breakpoints in it. [ 21 ] Animation Techniques on Android 2. viewexample ‰‰ Create Activity: ViewExample [ 22 ] Chapter 1 3. viewexample package, called MyTextView. TextView, and implement a constructor MyTextView(Context). com. PacktPub. com/support and register to have the files e-mailed directly to you.

Select the onDraw(Canvas), onLayout, and onMeasure(int, int) methods (you'll need to expand the view's parent class to see onLayout) and continue. 7. You will need to add one new constructor to the class. onLayout(changed, left, top, right, bottom); } } Here we have subclassed the TextView class, but we haven't changed any behavior in it. We have overridden some of the Java methods in order to make it easy to interrupt the flow of the program and see how it is working. 8. You will see that there are some super() method calls in the generated code.

5. com/apk/res/android" android:oneshot="false"> This is the standard root node for a frame animation. The android:oneshot attribute says whether to stop playing the animation after its first iteration. If false, it loops back to the beginning and plays indefinitely. We want the little fellow to keep dancing, so we choose false. 6. ) 7. com/apk/res/android" android:oneshot="false"> The android:drawables are obviously the images in the res/drawable-* directories.

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