Android Frame Animation: XML, Concepts and Optimization

Frame Animation Concepts: Cels, Framerate, and Resolution

动画的发展

cel-base animation

raster animation

bitmap

commonly called bitmap animation

not currently support Animated GIF

Optimizing Frame Animation: Color Depth and Frame Rate

three primary ways to optimize

reduce the resolution

reduce the color depth

and reduce the framerate

格式：PNG32,Png8

If you don’t need to composite your animation over other graphics, you can also consider using the lossy JPEG format to get a far smaller per-frame data foot print by throwing away some of the image data and resulting quality.

应该考虑硬件条件，处理器及内存

Creating Frame Animation in Android Using XML Markup

Frame animation uses the drawable resource folder

animation (covered in Chapter 4) uses the /res/anim folder

AnimationDrawable

Android <animation-list> Tag: The Parent Frame Container

Android‘s <item> Tag: Specifying Your Animation Frames

Creating a Frame Animation for our GraphicsDesign App

Instantiating the Frame Animation Definition Using Java

AnimationDrawable drawable = (AnimationDrawable) imageView.getDrawable();

drawable.start();

《Pro Android Graphics》读书笔记之第三节

声明：以上内容来自用户投稿及互联网公开渠道收集整理发布，本网站不拥有所有权，未作人工编辑处理，也不承担相关法律责任，若内容有误或涉及侵权可进行投诉：投诉/举报工作人员会在5个工作日内联系你，一经查实，本站将立刻删除涉嫌侵权内容。

联系
我们

首页 > 代码库 > 《Pro Android Graphics》读书笔记之第三节