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Hello, Android, 4th Edition by Ed Burnette

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Bouncing Tiles

In the game screen, having Xs and Os appear out of nowhere isn’t realistic, so let’s make the tiles appear more lifelike. We’ll make them splat onto the grid as if they were made of jelly.

Principles of Animation

In 1981, Disney animators Ollie Johnston and Frank Thomas published a famous book called The Illusion of Life: Disney Animation [JT95], which explained the animation process used by animators since the 1930s. In the book they outlined twelve basic principles of animation,[53] which are still in use to this day.

The principles are essential to all animation, not just comics, so I’m going to list them here and then show how to apply some of them using Android calls. See the online reference for a full description:

  1. Squash ...

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