补间动画

补间动画：指定动画资源（图片）开始位置中间位置和结束位置，控件仍停留在原来位置（实际位置没有改变）

（透明度、缩放、位移、旋转）

/** * 透明度变化的动画 * @param view */public void alpha(View view) {AlphaAnimation aa = new AlphaAnimation(0.0f, 1.0f);// 完全透明0.0f ---> 完全不透明1.0faa.setDuration(2000);// 动画播放2秒aa.setRepeatCount(2);//重复播放次数aa.setRepeatMode(Animation.REVERSE);//重复模式 倒序播iv.startAnimation(aa);//iv为一张图片资源}

/** * 缩放动画 *  * @param view */public void scale(View view) {//fromX,toX,fromY,toY,pivotXType,pivotXValue,pivotYType,pivotYValue//X,Y方向放大2倍，围绕（0,0）坐标缩放  [（0.5f,0.5f）中心点]ScaleAnimation sa = new ScaleAnimation(0.0f, 2.0f, 0.0f, 2.0f,Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,0.5f);sa.setDuration(2000);sa.setRepeatCount(2);sa.setRepeatMode(Animation.REVERSE);iv.startAnimation(sa);}

/** * 位移动画 *  * @param view */public void Trans(View view) {//pivotXType,pivotXValue,toXType,toXValue,pivotYType,pivotYValue,toYType,toYValue//X和Y方向移动位移（相对自身）TranslateAnimation ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF, -0.5f, Animation.RELATIVE_TO_SELF, 0.5f,Animation.RELATIVE_TO_SELF, -0.5f, Animation.RELATIVE_TO_SELF, 0.5f);//还可以相对于父类RELATIVE_TO_PARENTta.setDuration(2000);ta.setRepeatCount(2);ta.setRepeatMode(Animation.REVERSE);iv.startAnimation(ta);}

ta.setRepeatCount(Animation.INFINITE);//不停止,一直播放   值为-1

/** * 旋转动画 *  * @param view */public void rotate(View view) {//fromDegrees,toDegrees,pivotXType,pivotXValue,pivotYType,pivotYValue//围绕中心点旋转360度RotateAnimation ra = new RotateAnimation(0, 360, Animation.RELATIVE_TO_SELF,0.5f, Animation.RELATIVE_TO_SELF, 0.5f);ra.setDuration(2000);ra.setRepeatCount(2);ra.setRepeatMode(Animation.REVERSE);iv.startAnimation(ra);}

//动画合集public void set(View view){AnimationSet set = new AnimationSet(false);TranslateAnimation ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF, -0.5f, Animation.RELATIVE_TO_SELF, 0.5f,Animation.RELATIVE_TO_SELF, -0.5f, Animation.RELATIVE_TO_SELF, 0.5f);ta.setDuration(2000);ta.setRepeatCount(2);ta.setRepeatMode(Animation.REVERSE);RotateAnimation ra = new RotateAnimation(0, 360, Animation.RELATIVE_TO_SELF,0.5f, Animation.RELATIVE_TO_SELF, 0.5f);ra.setDuration(2000);ra.setRepeatCount(2);ra.setRepeatMode(Animation.REVERSE);ScaleAnimation sa = new ScaleAnimation(0.0f, 2.0f, 0.0f, 2.0f,Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,0.5f);sa.setDuration(2000);sa.setRepeatCount(2);sa.setRepeatMode(Animation.REVERSE);set.addAnimation(sa);set.addAnimation(ta);set.addAnimation(ra);iv.startAnimation(set);}

补间动画——xml形式

alpha.xml<?xml version="1.0" encoding="utf-8"?><alpha xmlns:android="http://schemas.android.com/apk/res/android"    android:fromAlpha="0"    android:toAlpha="1.0"    android:duration="2000"    android:repeatCount="2"    android:repeatMode="reverse" ></alpha>/** * 透明度变化的动画 *  * @param view */public void alpha(View view) {Animation aa = AnimationUtils.loadAnimation(this, R.anim.alpha);iv.startAnimation(aa);}

scale.xml<?xml version="1.0" encoding="utf-8"?><scale xmlns:android="http://schemas.android.com/apk/res/android"    android:duration="2000"     android:fromXScale="0.0"     android:fromYScale="0.0"     android:pivotX="50%"        50%p//相对于PARENT的50%    android:pivotY="50%"    android:repeatCount="2"     android:repeatMode="reverse"    android:toXScale="2.0"     android:toYScale="2.0" > </scale>/*** 缩放动画* * @param view*/public void scale(View view) {Animation sa = AnimationUtils.loadAnimation(this, R.anim.scale);iv.startAnimation(sa);}

trans.xml<?xml version="1.0" encoding="utf-8"?><translate xmlns:android="http://schemas.android.com/apk/res/android"    android:duration="2000"    android:fromXDelta="-50%"    android:fromYDelta="-50%"    android:repeatCount="2"    android:repeatMode="reverse"    android:toXDelta="50%"    android:fillAfter="true"    android:toYDelta="50%" ></translate>android:fillAfter="true" 停留在最后一个动画效果的位置，不回到原来的位置/*** 位移动画* * @param view*/public void Trans(View view) {Animation ta = AnimationUtils.loadAnimation(this, R.anim.trans);iv.startAnimation(ta);}

rotate.xml<?xml version="1.0" encoding="utf-8"?><rotate xmlns:android="http://schemas.android.com/apk/res/android"    android:fromDegrees="0"    android:toDegrees="360"    android:duration="2000"    android:repeatCount="2"    android:repeatMode="reverse"    android:pivotX="50%"    android:pivotY="50%" ></rotate>/*** 旋转动画* * @param view*/public void rotate(View view) {Animation ra = AnimationUtils.loadAnimation(this, R.anim.rotate);iv.startAnimation(ra);}

set.xml<?xml version="1.0" encoding="utf-8"?><set>    <rotate        xmlns:android="http://schemas.android.com/apk/res/android"        android:duration="2000"        android:fromDegrees="0"        android:pivotX="50%"        android:pivotY="50%"        android:repeatCount="2"        android:repeatMode="reverse"        android:toDegrees="360" >    </rotate>    <scale        xmlns:android="http://schemas.android.com/apk/res/android"        android:duration="2000"        android:fromXScale="0.0"        android:fromYScale="0.0"        android:pivotX="50%"        android:pivotY="50%"        android:repeatCount="2"        android:repeatMode="reverse"        android:toXScale="2.0"        android:toYScale="2.0" >    </scale>    <translate        xmlns:android="http://schemas.android.com/apk/res/android"        android:duration="2000"        android:fromXDelta="-50%"        android:fromYDelta="-50%"        android:repeatCount="2"        android:repeatMode="reverse"        android:toXDelta="50%"        android:toYDelta="50%" >    </translate></set>public void set(View view){Animation set = AnimationUtils.loadAnimation(this, R.anim.set);iv.startAnimation(set);}

例如：匀速旋转动画

/** 均匀旋转动画 */  private RotateAnimation refreshingAnimation;    refreshingAnimation = (RotateAnimation) AnimationUtils.loadAnimation(mContext, R.anim.rotating);  refreshingAnimation.setDuration(5000);  // 添加匀速转动动画  LinearInterpolator lir = new LinearInterpolator();  refreshingAnimation.setInterpolator(lir);  //设置动画(匀速旋转动画)  atdp_loading_iv.startAnimation(refreshingAnimation);  atdp_loading_iv.clearAnimation();  <?xml version="1.0" encoding="utf-8"?>  <rotate xmlns:android="http://schemas.android.com/apk/res/android"      android:duration="1000"      android:fillAfter="true"      android:fromDegrees="0"      android:pivotX="50%"      android:pivotY="50%"      android:repeatCount="-1"      android:toDegrees="359" >    </rotate>