android anim 动画效果 基础知识

Android的animation由四种类型组成<wbr><wbr><wbr><br><wbr><wbr><br> XML中<wbr><wbr><wbr><wbr><br> alpha<wbr><wbr><wbr><wbr><br> 渐变透明度动画效果<wbr><wbr><wbr><wbr><br> scale<wbr><wbr><wbr><wbr><br> 渐变尺寸伸缩动画效果<wbr><wbr><wbr><wbr><br> translate<wbr><wbr><wbr><wbr><br> 画面转换位置移动动画效果<wbr><wbr><wbr><wbr><br> rotate<wbr><wbr><wbr><wbr><br> 画面转移旋转动画效果<wbr><wbr><wbr><wbr><br><wbr><wbr><br><wbr><wbr><br> JavaCode中<wbr><wbr><wbr><wbr><br> AlphaAnimation<wbr><wbr><wbr><wbr><br> 渐变透明度动画效果<wbr><wbr><wbr><wbr><br> ScaleAnimation<wbr><wbr><wbr><wbr><br> 渐变尺寸伸缩动画效果<wbr><wbr><wbr><wbr><br> TranslateAnimation<wbr><wbr><wbr><wbr><br> 画面转换位置移动动画效果<wbr><wbr><wbr><wbr><br> RotateAnimation<wbr><wbr><wbr><wbr><br> 画面转移旋转动画效果<wbr><wbr><wbr><wbr><br><wbr><wbr><br> Android动画模式<wbr><wbr><wbr><wbr><br><wbr><wbr><br> Animation主要有两种动画模式：<wbr><wbr><wbr><wbr><br><wbr><wbr><br> 一种是tweened animation(渐变动画)<wbr><wbr><wbr><wbr><br> XML中<wbr><wbr><wbr><wbr><br> JavaCode<wbr><wbr><wbr><wbr><br> alpha<wbr><wbr><wbr><wbr><br> AlphaAnimation<wbr><wbr><wbr><wbr><br> scale<wbr><wbr><wbr><wbr><br> ScaleAnimation<wbr><wbr><wbr><wbr><br><wbr><wbr><br><wbr><wbr><br> 一种是frame by frame(画面转换动画)<wbr><wbr><wbr><wbr><br> XML中<wbr><wbr><wbr><wbr><br> JavaCode<wbr><wbr><wbr><wbr><br> translate<wbr><wbr><wbr><wbr><br> TranslateAnimation<wbr><wbr><wbr><wbr><br> rotate<wbr><wbr><wbr><wbr><br> RotateAnimation<wbr><wbr><wbr><wbr><br><wbr><br> 如何在XML文件中定义动画<wbr><wbr><wbr><wbr><br><wbr><wbr><br> ①　打开Eclipse，新建Android工程<wbr><wbr><wbr><wbr><br> ②　在res目录中新建anim文件夹<wbr><wbr><wbr><wbr><br> ③　在anim目录中新建一个myanim.xml(注意文件名小写)<wbr><wbr><wbr><wbr><br> ④　加入XML的动画代码<wbr><wbr><wbr><wbr><br> &lt;?xml version="1.0" encoding="utf-8"?&gt;<wbr><wbr><wbr><wbr><br> &lt;set xmlns:android="<a style="color:rgb(54,132,79); text-decoration:underline">http://schemas.android.com/apk/res/android</a>"&gt;<wbr><wbr><wbr><wbr><br><wbr>&lt;alpha/&gt;<wbr><wbr><wbr><wbr><br><wbr>&lt;scale/&gt;<wbr><wbr><wbr><wbr><br><wbr>&lt;translate/&gt;<wbr><wbr><wbr><wbr><br><wbr>&lt;rotate/&gt;<wbr><wbr><wbr><wbr><br> &lt;/set&gt;<wbr><wbr><wbr><wbr><br> 复制代码<wbr><wbr><wbr><wbr><br><wbr><wbr><br><wbr><wbr><br> Android动画解析--XML<wbr><wbr><wbr><wbr><br><wbr><wbr><br> &lt;alpha&gt;<wbr><wbr><wbr><wbr><br> &lt;?xml version="1.0" encoding="utf-8"?&gt;<wbr><wbr><wbr><wbr><br> &lt;set xmlns:android="<a style="color:rgb(54,132,79); text-decoration:underline">http://schemas.android.com/apk/res/android</a>" &gt;<wbr><wbr><wbr><wbr><br> &lt;alpha<wbr><wbr><wbr><wbr><br> android:fromAlpha="0.1"<wbr><wbr><wbr><wbr><br> android:toAlpha="1.0"<wbr><wbr><wbr><wbr><br></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>